Publications By Topic : Reactor Thermal Hydraulics

• Kresl-Hotz, K.R., El-Genk, M.S., Schriener, T.M., "CFD Analyses of the Flow Mixing and Stratification in Pool Type SFR". Proceedings ANS Student Conference 2025, 2025.
• Kresl-Hotz, K.R., El-Genk, M.S., Schriener, T.M., "Numerical Mesh Refinement for Flow Mixing in Pool Type SFR". Proceedings ANS Student Conference 2025, 2025.
• Altamimi, R., M.S. El-Genk, "Design and Analyses of Miniature, Submersible Annular Linear Induction Pump for Test Loops Supporting Development of Advanced Nuclear Reactors". J Nuclear Engineering and Design, 1-25, 2023.
• Altamimi, R., M.S. El-Genk, "Equivalent Circuit Model for Predicting the Performance Characteristics of Direct Current-Electromagnetic Pumps". J Material Sciences and Engineering, 12(1), 629, 2023.
• Altamimi, R., M.S. El-Genk, "Magnetohydrodynamic Analyses of a Miniature Dual-Stages Electromagnetic Pump for Lead and Sodium In-pile Test Loops". J. Nuclear Science and Engineering, 1-27, 2023.
• Altamimi, R., M.S. El-Genk, "Miniature DC Electromagnetic Pumps of Molten Lead and Sodium to Support Development of Gen-IV Nuclear Reactors". J Nuclear Engineering and Design, 410, 112376, 2023.
• El-Genk, M.S, T.M. Schriener, R. Altamimi, A. Hahn, "Pumping Options for Versatile Test Reactor Molten Lead In-pile Test Cartridge". J. Nuclear Science and Engineering, 197, 3082-3109, 2023.
• El-Genk, M.S., T.M. Schriener, A.S. Hahn, "Design Optimization and CFD and Performance Analyses of Miniature Axial-Centrifugal Flow Pumps for Circulating Molten Lead". J. Material Sciences & Engineering, 11:04, 1-14, 2022.
• Schriener, T.M., M.S. El-Genk, "Gas-lift enhanced natural circulation of alkali and heavy liquid metals for passive cooling of nuclear reactors". International Journal of Multiphase Flow, 143, 103783, 2022.
• El Genk, M.S., T.M. Schriener, L. Palomino, "Passive and Walk-Away Safe Small and Micro Reactors for Electricity Generation and Production of Process Heat for Industrial Uses". J. Nuclear Engineering and Radiation Science, 7, 031302 1-12, 2021.
• El Genk, M.S., R. Altamimi, T.M. Schriener, "Pressurizer Dynamic Model and Emulated Programmable Logic Controllers for Nuclear Power Plants Cybersecurity Investigations". Annals of Nuclear Energy, 154, 108121, 2021.
• Schriener, T.M., M.S. El Genk, "Friction Factor Correlation for Molten Metals Flow in a 3-Rod Bundle in Cylindrical Shroud, with Smooth and Scalloped Inner Wall". Proceedings of the 2020 28th International Conference on Nuclear Engineering Joint with the ASME 2020 Power Conference IC, 2020.
• El Genk, M.S., T.M. Schriener, L. Palomino, "Walk-Away Safe Modular Small and Micro Reactors for Electricity Generation and Process Heat". Proceedings of the 2020 28th International Conference on Nuclear Engineering Joint with the ASME 2020 Power Conference IC, 2020.
• Palomino, L. M. and M.S. El-Genk, "CFD Analyses of Liquid Sodium Heat Transfer in 19-rod Hexagonal Bundles with Scalloped Walls". International J. Heat and Mass Transfer, 144, 118637, 2019.
• Palomino, L. M. and M.S. El-Genk, "VSLLIM - Passive Decay Heat Removal by Natural Circulation of Ambient Air". J. Thermal Science and Engineering Progress, 11, 50-65, 2019.
• El-Genk, M. S. and T. M. Schriener, "Convection Heat Transfer of Alkali Liquid Metals and LBE in Hexagonal Bundles of Uniformly Heated Tubes with Helical Spacers". Thermal Science and Engineering Progress, 5, 339-350, 2018.
• El-Genk, M. S. and T. M. Schriener, "A Review and Correlations for Convection Heat Transfer and Pressure Losses in Toroidal and Helically Coiled Tubes". J. Heat Transfer Engineering, 38(5), 2017.
• El-Genk, M. S. and T. M. Schriener, "A Review of Experimental Data and Heat Transfer Correlations for Parallel Flow of Alkali Liquid Metals and Lead-Bismuth Eutectic in Bundles". J. Nuclear Engineering and Design, 317, 2017.
• El-Genk, M. S., L. M. Palomino, and T. M. Schriener, "Low-Enrichment and Long-Life Scalable LIquid Metal Cooled Small Modular Reactor (SLIMM-1.2)". J. Nuclear Engineering and Design, 316, 163-185, 2017.
• Haskins, D. A. and M. S. El-Genk, "Natural Circulation Thermal-hydraulics Model and Analyses of "SLIMM"- A Small Modular Reactor". Annals of Nuclear Energy, 101, 516-527, 2017.
• Haskins, D. A. and M. S. El-Genk, "CFD Analyses and Correlation of Pressure Losses on the Shell-Side of Concentric, Helically-Coiled Tubes Heat Exchanger". J. Nuclear Engineering and Design, 305, 531-546, 2016.
• Palomino, L. and M. S. El-Genk, "CFD and Thermal-Hydraulics Analyses of "SLIMM" Reactor Passive Decay Heat Removal by Natural Circulation of Ambient Air". J. Nuclear Technology, 195(1), 1-14, 2016.
• Schriener, T. M. and M. S. El-Genk, "Convection Heat Transfer Analyses and Correlation for Alkali Liquid Metals in Uniformly Heated Tubes". Proceedings, 16th International Topical Meeting on Nuclear Reactor Thermal-Hydraulics (NURETH-16), Paper# 13512, 2015.
• Schriener, T.M. and M.S. El-Genk, "Convection Heat Transfer of NaK-78 Liquid Metal in a Circular Tube and a Tri-lobe Channel". Int. J. Heat and Mass Transfer, 86, 234-243, 2015.
• Schriener, T. and M. S. El-Genk, "Multi-Physics Design and Analyses of Long life Reactors for Lunar Outposts". Technical Report No.UNM-ISNPS-1-2015, 2015.
• Haskins, D. and M.S. El-Genk, "Natural Circulation Model and Performance Analyses of "SLIMM" - a Small, Modular Sodium-Cooled Reactor". Proceedings, 16th International Topical Meeting on Nuclear Reactor Thermal-Hydraulics (NURETH-16), Paper# 13514, 2015.
• Palomino, L. and M. S. El-Genk, "SLIMM Decay Heat Removal by Natural Convection of Ambient Air". Proceedings, 16th International Topical Meeting on Nuclear Reactor Thermal-Hydraulics (NURETH-16), Paper# 13513, 2015.
• El-Genk, M. S. and L. M. Palomino, "SLIMM-Scalable Liquid Metal Cooled Small Modular Reactor: Preliminary Design". Progress in Nuclear Energy, 85, 56-70, 2015.
• Schriener, T.M. and M.S. El-Genk, "Comparative CFD Analyses of Liquid Metal Cooled Reactor for Lunar Surface Power". J. Nuclear Engineering and Design, 280, 105-121, 2014.
• Schriener, T.M. and M.S. El-Genk, "RANS-Based CFD Analyses of Turbulent Flow in a Solid Core, Small Modular Reactor". Proceedings International Congress on Advances in Nuclear Power Plants (ICAPP 2014), Paper #14075, 1946-1955, 2014.
• Schriener, T.M. and M.S. El-Genk, "Safety Analysis of Solid Core-Sectored Compact Reactor (SC-SCoRe)". Proceedings International Congress on Advances in Nuclear Power Plants (ICAPP 2014), Paper #14074, 1714-1724, 2014.
• Schriener, T. M. and M. S. El-Genk, "Thermal-Hydraulics and Safety Analyses of the Solid Core-Sectored Compact Reactor (SC-SCoRe) and Power System". Progress in Nuclear Energy, 76, 216-231, 2014.
• Boyce, W. T. and M. S. El-Genk, "Numerical Simulation and Turbulent Convection Heat Transfer Correlation for Coolant Channels in a Very-High-Temperature Reactor". J. Heat Transfer Engineering, 34(1), 1-14., 2013.
• El-Genk, M. S., "Recent Advances on Gasification of Nuclear Graphite: A Chemical Reactions Kinetics Approach". In Proceedings of 14th International Nuclear Graphite Specialist Meeting (INGSM14), 2013.
• El-Genk, M. S. and J.-M. P. Tournier, "Sherwood Number Correlation for Nuclear Graphite Gasification at high Temperatures". J. Progress in Nuclear Energy, 62, 26-36, 2013.
• Boyce, W. T. and M. S. El-Genk, "Thermal-Hydraulics Analyses of 1/6 Prismatic VHTR Core and Fuel Element with and without Bypass Flow". J. Energy Conversion and Management, 67, 326-341, 2013.
• Travis, B. W. and M. S. El-Genk, "An Effective Thermal-Hydraulics Methodology for Prismatic Core HTGR and VHTR". Proceedings of 12th International Congress on Advances in Nuclear Power Plants (ICAPP’12), paper No. 12061, 24-28, 2012.
• Schriener, T. M. and M. S. El-Genk, "Fuel Loading of PeBR for a Long Operation Life on the Lunar Surface". Proceedings of 12th International Congress on Advances in Nuclear Power Plants (ICAPP’12), paper No. 12044, 24-28, 2012.
• Schriener, T. M. and M. S. El-Genk, "Neutronics and Thermal-Hydraulics Analysis of a Liquid Metal Fast Reactor for Expandable Lunar Surface Power". Annals of Nuclear Energy, 41, 48-60, 2012.
• Schriener, T.M. and M. S. El-Genk, "Thermal-Hydraulics and Safety Analysis of Sectored Compact Reactor for Lunar Surface Power". Proceedings of 12th International Congress on Advances in Nuclear Power Plants (ICAPP’12), paper No. 12047, 24-28, 2012.
• Travis, B. W. and M. S. El-Genk, "A Heat Transfer Correlation for Flow Channels in a Prismatic Core VHTR". Proceedings 15th International Conference on Emerging Nuclear Energy Systems (ICENES-2011), 2011.
• Schriener, T. M. and M. S. El-Genk, "A Neutronics Analysis of Long-Life, Sectored Compact Reactor Concepts for Lunar Surface Power". J. Progress in Nuclear Energy, 53, 106-118, 2011.
• El-Genk, M.S. and J. M. Tournier, "Comparison of Oxidation Model with Gasification data of IG-110, IG-430, and NBG-25 Nuclear Graphite, and Numerical Simulation of Turbulent Convection Heat Transfer in Coolant Channels ". ISNPS Report No. 1-2011, 2011.
• Rodriguez, S. B. and M. S. El-Genk, "Coupled Computational Fluid Dynamics and Heat Transfer Analysis of VHTR Lower Plenum". Proceedings 11th International Congress on Advances in Nuclear Power Plants (ICAPP-2011), Paper # 11247, 2011.
• Schriener, T. M., and M. S. El-Genk, "Neutronics and Thermal-Hydraulics Analysis of a Long Operational Life LMR for Lunar Surface Power". Proceedings 15th International Conference on Emerging Nuclear Energy Systems (ICENES-2011), 2011.
• M. S. El-Genk and T. M. Schriener, "Safety of Space Nuclear Reactors: SCoRe-N5 and PeBR Case Study". Proceedings 15th International Conference on Emerging Nuclear Energy Systems (ICENES-2011), 2011.
• Rodriguez, S. B. and El-Genk, M. S., "Cooling of an Isothermal plate using a Triangular Array of Swirling Air Jets". Proceedings 14th International Heat Transfer Conference, Paper# IHTC14-22170, 2010.
• Rodriguez, S. B., and El-Genk, M. S., "Numerical Investigation of Potential Elimination of hot streaking and stratification in the VHTR lower plenum using helicoid inserts". J. Nuclear Engineering and Design, 240, 995-1004, 2010.
• El-Genk, M. S., and Tournier, J.-M., "On the Performance of Very High Temperature Reactor Plants with Direct and Indirect Closed Brayton Cycles". ASME J. Engineering for Gas Turbines and Power, 132, 032902-1 - 032902-7, 2010.
• El-Genk, M. S., and T. M. Schriener, "Pebble bed Reactor Power Systems for Lunar Outposts: Long Operation and End-of-Life Storage". Proceeding 4th International Association for the Advancement of Space Safety Conference, 2010.
• El-Genk, M. S. and Jean-Michel Tournier, "Performance Analyses of VHTR Plants with Direct and Indirect Closed Brayton Cycles". J. Progress in Nuclear Energy, 51, 526-542, 2009.
• King, J. C. and M. S. El-Genk, "Thermal-Hydraulic and Neutronic Analyses of Submersion-Subcritical, Safe Space (S^4) Reactor". J. Nuclear Engineering and Design, 239(12), 2809-2819, 2009.
• Rodriguez, S. B, D. Louie, F. Gelbard, M. S. El-Genk, R. O. Gauntt, J.-M. Tournier, R. Cole, F. Gelbrad, K. McFadden, S. T. Revankar, and K. Vierow, T. Drennen, B. Martin, F. Espinoza, and L. Archuleta, "Transient Analysis of Sulfur-Iodine Cycle Experiments and Very High Temperature Reactor Simulations using MELCOR-H2". J. Nuclear Technology, 166, 76-85, 2009.
• Tournier, J.-M. and M. S. El-Genk, "Alternative Working Fluids to Reduce Size of Turbomachinery for VHTR Plants". Proceedings of International Congress on Advances in Nuclear Power Plants (ICAPP 08), American Nuclear Society, Paper # 8072, 2008.
• El-Genk, M. S., and In-Hwan Yang, "Effect of Slip on Viscous Dissipation and Friction Number in Micro-tubes". Proceedings 5th European Thermal-Science Conference, 2008.
• El-Genk, M. S. and In-Hwan Yang, "Friction Numbers and Viscous Dissipation Heating for Laminar Flows of Water in Micro-tubes". J. Heat Transfer, 130(8), 2008.
• El-Genk, M. S., J.-M. Tournier, "Noble Gas Binary Mixtures for Gas-Cooled Reactor Power Plants". J. Nuclear Engineering and Design, 238(6), 1353-1372, 2008.
• Rodriguez, S. B. and M.S. El-Genk, "On Eliminating 'Hot Streaking' and Stratifcation in the VHTR Lower Plenum Using Helicoid Inserts". Proc. High Temperature Reactor Conference (HTR2008), Paper # HTR2008-58292, 2008.
• Mohamed S. El-Genk and J.M. Tournier, "On the Use of Noble Gases and Binary Mixtures as Reactor Coolants and CBC Working Fluids". J. Energy Conversion and Management, 49(7), 1882-1891, 2008.
• Tournier, J.-M., and M. S. El-Genk, "Properties of Helium, Nitrogen, and He-N2 Binary Gas Mixtures". J. Thermophysics and Heat Transfer, 22(3), 442-456, 2008.
• Tournier, J.-M., and M. S. El-Genk, "Properties of Noble Gases and Binary Mixtures for Closed Brayton Cycle Applications". J. Energy Conversion and Management Special Issue on Space Nuclear Power and Propulsion, 49(3), 469-492, 2008.
• El-Genk, M. S. , "Safety Considerations of Space Reactor Power Systems". Proc. 3rd IAASS Conference, 2008.
• El-Genk, M. S., "Space Reactor Power Systems with No Single Point Failures". J. Nuclear Engineering and Design, 238(9), 2245-2255, 2008.
• Rodriguez, S. B. and M. S. El-Genk, "Using Helicoides to Eliminate 'Hot Streaking' in the VHTR Lower Plenum". Proceedings of International Congress on Advances in Nuclear Power Plants (ICAPP 08), American Nuclear Society, Paper # 8079, 2008.
• El-Genk, M. S., and J.-M. Tournier, "Noble Gas, Binary Mixtures for Commercial Gas-Cooled Reactor Systems". Proceedings 13th International Conference on Emerging Nuclear Energy Systems, 2007.
• Hatton, S, and M. S. El-Genk, "Parametric Studies of the Sectored Compact Reactor (SCoRe-S) for Space Power". ISNPS Report No. 2-2007, 2007.
• King, J. C. and M. S. El-Genk, "Thermal-Hydraulic Analyses of the Submersion-Subcritical Safe Space (S^4) Reactor". Proceedings of Space Technology and Applications International Forum (STAIF-07), AIP No. 880, 261-270, 2007.
• Yang, In-Hwan, and M. S. El-Genk, "Viscous Dissipation in Laminar water Flows in Micro-tubes". Proceedings ASME-JSME Thermal Engineering Summer Heat Transfer Conference, Paper no. HT2007-32497, 2007.
• Rodriguez, S. B., R. O. Gauntt, R. Cole, K. McFadden, F. Gelbard, L. Malczynski, B. Martin, S. Ravankar, K. Vierow, D. Louie, L. Archuleta, M. S. El-Genk, and J.-M Tournier, "Addition of Secondary System Modules and a Graphical User Interface into MELCOR-H2 Phase 1". Trans. Am. Nucl. Soc. , 95, 917-920, 2006.
• Tournier, J.-M., M. S. El-Genk, and B. Gallo, "Best Estimates of Binary Mixtures Properties for Closed Brayton Cycle Space Applications". Proceedings of International Energy Conversion Engineering Conference, IECEC-2006, Paper No. AAIA-2006-4154, 2006.
• Tournier, J.-M., and M. S. El-Genk, "Liquid Metal Loop and Heat Pipes Radiator for Space Reactor Power Systems". J. Propulsion and Power, 22(5), 1117-1134, 2006.
• Rodriquez, S. B., D. Louie, R. O. Gauntt, F. Gelbard, P. Pickard, R. Cole, K. McFadden, T. Drennen, B., "MELCOR-H2 Benchmarking of the SNL Transient Sulfuric Acid Decomposition Experiments". Proceedings AICHE Spring Meeting, 2006.
• Rodriguez, S. B., R. O. Gauntt, R. Cole, K. McFadden, F. Gelbard, L. Malczynski, B. Martin, S. Ravankar, K. Vierow, D. Louie, L. Archuleta, M. S. El-Genk, and J.-M Tournier, "MELCOR-H2: A Modular, Generalized Tool for the Dynamic Simulation and Design of Fully-Coupled Nuclear Reactor/Hydrogen Production Plants". Trans. Am. Nucl. Soc. , 95, 889-890, 2006.
• Tournier, J. -M., and M.S. El-Genk, "Models of Turbine and Compressor Units for MELCOR Secondary System Modules". ISNPS 2-2006, 2006.
• El-Genk, M.S., and Jean-Michel Tournier, "Noble Gases Binary Mixtures for Brayton Commercial Nuclear Power Plants". Trans. Am. Nucl. Soc., 95, 915-916, 2006.
• El-Genk, M. S. and J.-M. Tournier, "Selection of Noble Gas Binary Mixtures for Brayton Space Reactor Power Systems". Proceedings of International Energy Conversion Engineering Conference, IECEC-2006, Paper No. AAIA-2006-4168, 2006.
• El-Genk, M.S. and Tournier, J.M, "Thermo-Chemical Generation of Hydrogen using high Temperature Gas-cooled power cycle modeling recommendation in MELCOR". ISNPS Report NO 3-2006, 2006.
• El-Genk, M.S., S. Hatton, C. Fox, and J. M. Tournier, "SCoRe- Concepts of liquid Metal Cooled Space Reactors for Avoidance of Single-Point Failure". Proceedings of Space Technology and Applications International Forum (STAIF 05), 473-484, 2005.
• Saber, H. H. and M.S. El-Genk, "On the Breakup of a Thin Flowing Liquid Film subject Interfacial Shear". J. of Fluid Mechanics, 500, 113-133, 2004.
• El-Genk, M.S. and J.-M. Tournier, "Analyses of Static Energy Conversion Systems for Small Nuclear Power Plants". Progress in Nuclear Engineering, 42(3), 283-310, 2003.
• Tournier, J.-M., and M.S. El-Genk, "Startup of a Horizontal Lithium-Molybdenum Heat Pipe from a Frozen State". Int. J. Heat and Mass Transfer, 46, 671-685, 2003.
• Saber, H.H. and M.S. El-Genk, "Breakup of a Flowing Liquid Film on Vertical Wall, Subject to Interfacial Shear Stress". Proc. 4th Int. Conf. Adv. Fluid Mechanics, 2002.
• El-Genk, M. S. and Jean-Michel Tournier, "Performance Analysis of BAPL Alkali- Metal Thermal-To-Electric Converter". Institute for Space and Nuclear Power Studies, ISNPS Report No. UNM-ISNPS-1-2002, 2002.
• El-Genk, M.S. and H. Bostanci, "Pool Boiling experiments for HFE-7100 Dielectric Liquid". Thermal Challenges in Next Generation Systems, 179-186, 2002.
• El-Genk, M.S. and H. Bostanci, "Saturation Pool Boiling of HFE-7100 Dielectric Liquid in a Simulated Reduced Gravity". Proc. Space Technology and Applications International Forum (STAIF-2002, AIP No.608, 181-188, 2002.
• El-Genk, M.S., and J.-M. Tournier, "Static Converter for High Energy Utilization, Modular, Small Nuclear Power Plants". Proc. ICONE-10, 2002.
• Saber. H. and M. S. El-Genk, "Velocity Fields in Stable Rivulets, Following Breakup of Liquid Films Flowing Down a Vertical, Uniformly Heated Wall". Proc. 12th International Heat Transfer Conference, 2002.
• El-Genk, M.S. and H.H. Sabe, "Minimum Thickness of a Flowing Down Liquid Film on a Vertical Surface". Int. J. Heat and Mass Transfer, 44(15), 2809-2825, 2001.
• Tournier, J.-M. and M.S. El-Genk, "Modeling of the Startup of a Horizontal Lithium Heat Pipe from a Frozen State". Proc. 35th National Heat Transfer Conference, 2001.
• El-Genk, M. S., Jean-Michel Tournier, and Yoichi Momozaki, "Novel, Integrated Reactor/Power Conversion System (NIR/PCS): Design and Analysis of Alkali Metal Thermal-to-Electric Units and Interfacing with Nuclear Reactor". ISNPS Report No. UNM-ISNPS-2-2001, 2001.
• El-Genk, M.S. and J. -M. Tournier, "Numerical Modeling of High Temperature Heat Pipe Transients, Including Startup from a Frozen State". ISNPS Report 1-2001, 2001.
• Tournier, J.-M. and M.S. El-Genk, "User's Manual for H2PAC A Two-Dimensional High-Tempearture Heat Pipe Analysis Code, Including Startup from a Frozen State". ISNPS Report 1-2001, 2001.
• Saber, H.H. and M.S. El-Genk, "Determination of the Minimum Thickness of an Isothermal Liquid Film on a Vertical Surface". Proc. 34th National Heat Transfer Conference, 481-488, 2000.
• El-Genk, M. S, Jean-Michel Tournier, Jeffery King, and Yoichi Momozaki, "Novel Integrated Reactor/Power Conversion System (NIR/PCS): Alkali Metal Thermal-to-Electric Energy Conversion". Institute for Space and Nuclear Power Studies, ISNPS Report No. UNM-ISNPS-3-2000, 2000.
• Saber, H. H. and M.S. El-Genk, "Operation Envelope and Performance Analyses of Closed Two-Phase Thermosyphons`". ISNPS Report 2-2000, 2000.
• El-Genk, M.S. and L. Huang, "An Experimental Investigation of the Effect of the Diameter of Impinging Air Jets on the Local and Average Heat Transfer". J. Heat and Technology, 17, 3-12., 1999.
• El-Genk, M.S. and H.H. Saber, "Determination of Operation Envelopes of Closed, Two-Phase Thermosyphons". Int. J. Heat and Mass Transfer, 42, 889-903, 1999.
• El-Genk, M.S. and C. Gao, "Experimental Investigation of Pool Boiling from a Downward-Facing Hemispherical Stainless-Steel Surface". J. Heat and Technology, 16, 65-75, 1999.
• El-Genk, M.S. and C. Gao, "Experiments on Pool Boiling of Water from Downward Facing Hemispheres". J. Nuclear Technology, 125, 52-69, 1999.
• El-Genk, M.S. and H. H. Saber, "Heat Transfer Correlations for Liquid Film in the Evaporator of Enclosed, Gravity-Assisted Thermosyphons". J. Heat Transfer, 120, 477-484, 1998.
• El-Genk, M.S. and H. Saber, "Heat Transfer Correlations for Small, Uniformly Heated Liquid Pools". Int. J. Heat and Mass Transfer, 41(2), 261-274, 1998.
• Gao, C. and M.S. El-Genk, "Nucleate Boiling on Downward-Facing Hemispherical Surfaces". Proc. 7th AIAA/AIChE Joint Thermophysics and Heat Transfer Conference, HTD-357(3), 55-62, 1998.
• El-Genk, M.S. and C. Gao, "Pool Boiling from a Downward-Facing Hemispherical Stainless Steel Surface". J. Heat and Technology, 16, 65-75, 1998.
• El-Genk, M.S. and C. Gao, "Pool Boiling Heat Transfer from Downward-Facing Hemispherical Aluminum and Stainless-Steel Surface". Proc. 6th Int. Conf. on Nuclear Engineering, ICONE-6, 1998.
• El-Genk, M.S. and H. Saber, "Thermal Conductance of the Evaporator Section of Closed Two-Phase Thermosyphons (CTPT)". Proc. 7th AIAA/ASME Thermophysics and Heat Transfer Conference, HTD-357(3), 99-106, 1998.
• Tournier, J.-M. and M.S. El-Genk, "Analysis of a Lithium Fluoride, Porous Thermal Energy Storage Unit Subjected to Cyclical Thermal Loading". Proc. Space Technology and Applications International Forum (STAIF-97), AIP No.387(1), 397-413, 1997.
• El-Genk, M.S. and H. Saber, "Flooding Limit in Closed, Two-Phase Flow Thermosyphons". Int. J. Heat and Mass Transfer, 40(9), 2147-2164, 1997.
• Huang, L. and M.S. El-Genk, "Heat Transfer and Flow Visualization Experiments of Swirling, Multi-Channel, and Conventional Impinging Jets". Int. J. of Heat and Mass Transfer, 41(3), 583-600, 1997.
• El-Genk, M.S. and H.H. Saber, "Liquid Film Heat Transfer in the Evaporator of Two-Phase Thermosyphons". ASME Proc. 32nd National Heat Transfer Conf., HTD-349, 105-111, 1997.
• El-Genk, M.S. and H.H. Saber, "Liquid Pool Heat Transfer in Small, Cylindrical Enclosures with Uniform Wall Heating". AIChE Sym. Series-Heat Transfer, Proc. 10th Int. Heat Pipe Conference, 314(93), 131-137, 1997.
• El-Genk, M.S. and H. H. Saber, "Liquid Pool Heat Transfer Inside Closed Thermosyphons". Proc. 10th Int. Heat Pipe Conference, 1997.
• El-Genk, M.S. and H. Saber, "Performance Envelopes for Gravity Assisted Two-Phase Thermosyphons". Proc. 10th International Heat Pipe Conference, 1997.
• El-Genk, M.S. and C. Gao, "Visualization of Pool Boiling on Downward-Facing Convex Surfaces". Proc. 5th Int. Topical Meeting on Nuclear Thermal-Hydraulics, Operation, and Safety (NUTHOS-5), 1997.
• El-Genk, M.S., "A Review of Pool Boiling from Inclined and Downward-Facing Flat Surfaces". Int. J. Heat and Technology, 14(2), 95-104, 1996.
• El-Genk, M.S., "A Review of Pool Boiling from Inclined and Downward-Facing Flat Surfaces". European Thermal-Sciences and 14th UIT Nat. Heat Trans. Conf., 1591-1600, 1996.
• Tournier, J.-M. and M.S. El-Genk, "An Analysis of the Effect of Thermocapillary Convection on Melting in Reduced Gravity". Proc. Space Technology and Applications International Forum (STAIF-96), AIP No.361(2), 911-919, 1996.
• Paramonov, D.V. and M.S. El-Genk, "An Analysis of Ya-21U Thermionic Fuel Elements Test Results". Proc. Space Technology and Applications International Forum (STAIF-96), AIP No.361(3), 1395-1400, 1996.
• Paramonov, D.V. and M.S. El-Genk, "Analysis of Emitter Material Transport in Thermionic Converter". Proc. Space Technology and Applications International Forum (STAIF-96), AIP No.361(3), 1137-1148, 1996.
• El-Genk, M.S. and D. V. Paramonov, "Analysis of Ya-21u Test Results". Final Report UNM-ISNPS 2-1996, 1996.
• El-Genk, M.S. and H.H. Saber, "Effect of Dynamic Shear Stress on Thermosyphon Flooding Limit". AIChE Symp. Series-Heat Transfer, 301(92), 342-348, 1996.
• Gao, C. and M.S. El-Genk, "Effect of material properties and Surface Curvatures on Pool Boiling from Downward-Facing Convex Surfaces". Final Report UNM-ISNPS 1-1996, 1996.
• Tournier, J.-M. and M.S. El-Genk, "Effect of Thermocapillary Convection on Change-of-Phase in Reduced and Micro-Gravity". AIChE Symp. Series-Heat Transfer, 301(92), 83-91, 1996.
• El-Genk, M.S. and C. Gao, "Effects of Area and Radius of Downward-Facing Curved Surfaces on Transient Pool Boiling". Proc. 4th Int. Conf. On Nuclear Engineering, 1996.
• Huang, L. and M.S. El-Genk, "Heat Transfer and Flow Visualization of Swirling Impinging Jets". Proc. 31st National Heat Transfer Conference, HTD-324, 93-100, 1996.
• Gao, C. and M.S. El-Genk, "Numerical Analysis of Transient Heat Conduction in Downward-Facing Curved Surfaces During Quenching". Proc. 31st National Heat Transfer Conference, HTD-331, 103-112, 1996.
• El-Genk, M.S. and C. Gao, "Pool Boiling from Copper and Stainless Steel Downward-Facing Curved Surfaces". Proc. 2nd European Thermal-Sciences & 14th UIT Natl. Heat Transfer Conf, 3, 1601-1608, 1996.
• El-Genk, M.S. and C. Gao, "Pool Boiling from Downward-Facing Curved Surfaces: Effects of Radius of Curvature and Edge Angle". J. Nuclear Technology, 114(3), 351-364, 1996.
• El-Genk, M.S. and C. Gao, "Transient Heat Conduction during Quenching of Downward-Facing Copper and Stainless-Steel Convex Surfaces". J. Numerical Heat Transfer, Part A: Applications, 29, 543-573, 1996.
• Liscum-Powell, J. and M.S. El-Genk, "Design and Optimization of the Pellet Bed Reactor for Bimodal Space Power and Propulsion Applications". Final Report No. UNM-ISNPS 2-95, 1995.
• El-Genk, M.S. and L. Huang, "Effect of Impinging Air Jet Diameter on Local and Average Heat Transfer". Proc. 30th National Heat Transfer Conference, HTD-303, 35-42, 1995.
• El-Genk, M.S. and A.G. Glebov, "Effect of Subcooling and Wall Thickness on Pool Boiling from Downward-Facing Curved Surfaces in Water". Proc. 7th Int. Meeting on Nuclear Reactor Thermal-Hydraulics, NURETH-7, 1, NUREG/CP-0142, 353-376, 1995.
• El-Genk, M.S. and A.G. Glebov, "Effect of Subcooling on Film Boiling from a Downward-Facing Curved Surface in Water". AIChE Symp. Series-Heat Transfer, 306(91), 125-131, 1995.
• Huang, L. and M.S. El-Genk, "Enhanced Cooling using a Swirling Impinging Air Jet". Proc. 30th National Heat Transfer Conference, HTD-303, 27-33, 1995.
• El-Genk, M.S. and A.G. Glebov, "Film Boiling from a Downward-Facing Curved Surface in Saturated and Subcooled Water". Int. J. Heat & Mass Transfer, 39(2), 275-288, 1995.
• Tournier, J.-M. and M.S. El-Genk, "HPTAM for Modeling Heat and Mass Transfers in a Heat Pipe Wick, during Startup from a Frozen State". Proc. 12th Symposium on Space Nuclear Power and Propulsion, AIP No.324(1), 123-134, 1995.
• Morley, N.J. and M.S. El-Genk, "Neutronics and Thermal-Hydraulics Analyses of the Pellet Bed Reactor for Nuclear Thermal Propulsion". J. Nuclear Technology, 109, 87-107, 1995.
• El-Genk, M.S. and A.G. Glebov, "Numerical Solution of Transient Heat Conduction in a Cylindrical Section During Quenching". J. Numerical Heat Transfer, Part A: Applications, 28, 547-574, 1995.
• Liscum-Powell, J. and M.S. El-Genk, "Options for Enhanced Performance of Pellet Bed Reactor Bimodal Systems". Proc. 12th Symposium on Space Nuclear Power and Propulsion, AIP No.324(2), 845-855, 1995.
• El-Genk, M.S. and A.G. Glebov, "Transient Pool Boiling from Downward-Facing Curved Surfaces". Int. J. Heat and Mass Transfer, 38(12), 2209-2224, 1995.
• Pelaccio, D.G., M.S. El-Genk, and D.P. Butt, "A Review of Carbide Fuel Corrosion for Nuclear Thermal Propulsion Applications". Proc. 11th Symposium on Space Nuclear Power and Propulsion, AIP No.301(2), 905-918, 1994.
• El-Genk, M.S., J. Liscum-Powell, and D.G. Pelaccio, "Bimodal, Low Power Pellet Bed Reactor System Design Concept". Proc. 11th Symposium on Space Nuclear Power and Propulsion, AIP No.301(3), 1535-1548, 1994.
• El-Genk, M.S. J. Liscum-Powell, D. Pelaccio, Z. Guo and N. J. Morley, "Bimodal-Pellet Bed Reactor System Concept for Space Nuclear Power and Thermal Propulsion". Trans. Am. Nucl. Soc., 70, 310-312, 1994.
• Paramonov, D.V. and M.S. El-Genk, "Comparison of a TOPAZ-II Model with Experimental Data from the V-71 Unit Tests". Proc. 11th Symposium on Space Nuclear Power and Propulsion, AIP No.301(2), 829-843, 1994.
• El-Genk, M.S. and D.V. Paramonov, "Development and Verification of a TOPAZ-II Electromagnetic Pump Model". Proc. 11th Symposium on Space Nuclear Power and Propulsion, AIP No.301(1), 303-317, 1994.
• Huang, L. and M.S. El-Genk, "Heat Transfer of an Impinging Jet on a Flat Surface". Int. J. Heat and Mass Transfer, 37(13), 1915-1923, 1994.
• Liscum-Powell, J. and M.S. El-Genk, "Neutronics Analysis and Design Optimization of the Pellet Bed Reactor for Bimodal Application". Proc. 11th Symposium on Space Nuclear Power and Propulsion, AIP No.301(3), 1548-1563, 1994.
• Liscum-Powell, J. and M.S. El-Genk, "Neutronics Analysis of Pellet Bed Reactor for Bimodal Applications". Trans. Am. Nucl. Soc., 375-377, 1994.
• El-Genk, M.S., Z. Guo, N.J. Morley, and J. Liscum-Powell, "Passive Cooling of Pellet Bed Reactor Concepts for Bimodal Applications". 30th AIAA/SAE/ASME/ASEE Joint Propulsion Conference, 1994.
• Glebov, A.G. and M.S. El-Genk, "Pool Boiling from Downward-Facing Curved Surfaces". Trans. Am. Nucl. Soc., Proc. 1st Annual Spacecraft Thermal Control Symposium, 70, 428-430, 1994.
• El-Genk, M.S. and H. Xue, "Simulation of Fission Heated Thermionic Fuel Elements using Uniform Electrical Heating". Proc. 11th Symposium on Space Nuclear Power and Propulsion, AIP No.301(1), 287-295, 1994.
• El-Genk, M. S., D. Paramonov, and A. C. Marshall, "Start Up Simulation of the TOPAZ-II Reactor System for Normal and Accident Conditions". Proc. 11th Symposium on Space Nuclear Power and Propulsion, AIP Conference Proceedings No. 301, 1059-1068, 1994.
• Paramonov, D.V. and M.S. El-Genk, "Steady-State and Transient Analyses of the TOPAZ-II Space Nuclear Power System". Final Report NO. UNM-ISNPS 2-94, 1994.
• Morley, N.J. and M.S. El-Genk, "Thermal-Hydraulic Analysis of the Pellet Bed Reactor for Nuclear Thermal Propulsion". Thermal-Hydraulic Analysis of the Pellet Bed Reactor for Nuclear Thermal Propulsion, 149, 387-400, 1994.
• Morley, N.J. and M.S. El-Genk, "Thermal-Hydraulics Sensitivity Analysis of the Pellet Bed Reactor for Nuclear Thermal Propulsion". Proc. 11th Symposium on Space Nuclear Power and Propulsion, AIP No.301(3), 773-781, 1994.
• El-Genk, M.S., H. Xue, and D. Paramonov, "Transient Analysis and Startup of a Thermionic Space Nuclear Reactor System". J. Nuclear Technology, 105, 70-86, 1994.
• Morley, N.J. and M.S. El-Genk, "Transient Thermal-Hydraulic Analysis of the Pellet Bed Reactor for Nuclear Thermal Propulsion". AIAA/SAE/ASME/ASEE 30th Joint Propulsion Conference and Exhibit, 1994.
• Morley, N. J. and M. S. El-Genk, "Two-Dimensional Thermal-Hydraulic Analyses of High Temperature Packed Beds, with Applications to the Pellet Bed Reactor". Institute for Space and Nuclear Power Studies, Final Report No. UNM-ISNPS -2-94, 1994.
• Murray, C., M.S. El-Genk, B. Wernsman, and V.K. Kaibyshev, "A Steady-State Model for a Low Pressure, Cs-Ba Tacitron". Proc. 10th Symposium on Space Nuclear Power and Propulsion, AIP No.271(1, 447-458, 1993.
• Tournier, J.-M. and M.S. El-Genk, "A Transient Analysis of Water Heat Pipe". Proc. 6th Int. Topical Meeting on Nuclear Reactor Thermal Hydraulics, 843-850, 1993.
• Tournier, J.-M., and M.S. El-Genk, "A Transient Analysis of Water Heat Pipe". Proc. ASME Winter Annual Meeting, 1993.
• El-Genk, M.S. and D. Paramonov, "An Analysis of Thermionic Space Nuclear Reactor Power System: I. Effect of Disassembling Radial Reflector, Following a Reactivity Initiated Accident". Proc. 10th Symposium on Space Nuclear Power and Propulsion, AIP No.271(1), 121-128, 1993.
• El-Genk, M.S. and H. Xue, "An Analysis of Thermionic Space Nuclear Reactor Power System: II. Merits of Using Safety Drums for Backup Control". Proc. 10th Symposium on Space Nuclear Power and Propulsion, AIP No.271(1), 129-142, 1993.
• Guo, Z. and M.S. El-Genk, "Evaporation of a Liquid Microlayer on Uniformly Heated Flat Composite Surfaces". Heat Transfer on the Microscale-1993, HTD-253, 75-80, 1993.
• El-Genk, M.S., B. Su, and Z. Gu, "Experimental Studies of Forced, Combined and Natural Convection of Water in Vertical Nine-Rod Bundles with a Square Matrix". Int. J. Heat and Mass Transfer, 36(9), 2359-2374, 1993.
• Su, B., and M.S. El-Genk, "Forced Convection of Water in Rod-Bundles". Int. Comm. Heat Mass Transfer, 20, 295-300, 1993.
• El-Genk, M.S. and N.J. Morley, "Pellet Bed Reactor Concept for Nuclear Electric Propulsion". Proc. 10th Symposium on Space Nuclear Power and Propulsion, AIP No.271(2), 631-639, 1993.
• El-Genk, M.S., N. J. Morley, and D. G. Pelaccio, "Pellet Bed Reactor Concepts for Nuclear Propulsion Applications". AIAA/SAE/ASME/ASEE 29th Joint Propulsion Conference and Exhibit, Paper NO. AIAA 93-2112, 1993.
• Morley, N.J. and M.S. El-Genk, "Preliminary Thermal-Hydraulic Analysis of the Pellet Bed Reactor for Nuclear Thermal Propulsion". Proc. 6th Int. Top. Mtg. On Nuclear Reactor Thermal Hydraulics, 835-842, 1993.
• Murray, C., M.S. El-Genk, and V. Kaibyshev, "Self-Extinguishing in a Low Pressure Cesium Discharge". Proc. 28th Intersociety Energy Conversion Engineering Conference, 1993.
• El-Genk, M.S. and Z. Guo, "Transient Boiling from Inclined and Downward-Facing Surfaces in a Saturated Pool". Int. J. Refrig., 16(6), 414-422, 1993.
• Morley, N.J. and M.S. El-Genk, "Two-Dimensional Thermal-Hydraulic Analyses of the Pellet Bed Reactor for Nuclear Thermal Propulsion". Proc. 29th AIAA/SAE/ASME/ASEE Joint Propulsion Conference, AIAA-Paper--93-2615, 1993.
• El-Genk, M.S. and H. Xue, "Two-Dimensional Transient Analysis of an Electrically Heated Thermionic Fuel Element". Proc. 29th Intersociety Energy Conversion Engineering Conference, 1993.
• Guo, Z. and M.S. El-Genk,, "An Experimental Study of Saturated Pool Boiling from Downward Facing and Inclined Surfaces". Int. J. Heat and Mass Transfer, 35(9), 2109-2117, 1992.
• El-Genk, M.S. and H. Xue, "An Investigation of Natural Circulation Decay Heat Removal from an SP-100 Reactor System for a Lunar Outpost". Proc. 9th Symposium on Space Nuclear Power Systems, AIP No.246(1), 787-795, 1992.
• Guo, Z. and M.S. El-Genk, "Effects of Liquid Subcooling on the Quenching of Inclined and Downward-Facing Flat Surfaces in Water". AIChE Symp. Series-Heat Transfer, 288(88), 241-248, 1992.
• El-Genk, M.S., B. Su, and Z. Guo, "Forced, Combined and Natural Convections of Water in a Vertical Nine Rod Bundle with a Square Lattice and P/D=1.5". Proc. 28th National Heat Transfer Conference, 1992.
• El-Genk, M.S., L. Huang, and Z. Guo, "Heat Transfer Between a Square Flat Plate and a Perpendicularly Impinging Circular Air Jet". Enhanced Heat Transfer, HT-202, 33-38, 1992.
• El-Genk, M.S. and H. Xue, "Natural Circulation Decay Heat Removal from an SP-100 Reactor System for a Lunar Outpost". Topics in Heat Transfer, HTD-206-3(3), 56-61, 1992.
• El-Genk, M.S. and Z. Guo, "Saturated and Subcooled Pool Boiling from Downward-Facing and Inclined Surfaces". Proc. Engineering Foundation Conference on Pool and External Flow Boiling, 1992.
• Harper, F. T., E. D. Gorham, and M. S. El-Genk, "Simulation of Liquid Drop Breakup Behavior in a Flow Field Using Discrete Element Techniques". 5th International Topical Meeting on Nuclear Reactor Thermal Hydraulics, 1992.
• El-Genk, M. S., N. J. Morley, and J. Y. Yang, "Steady-State Thermal-Hydraulic Analysis of the Pellet Bed Rector for Nuclear Thermal Propulsion". Trans. Am. Nucl. Soc., 66, 260-262, 1992.
• El-Genk, M.S. and Z. Guo, "Transient Critical Heat Flux for Inclined and Downward-Facing Flat Surfaces". Proceedings of the 28th National Heat Transfer Conference, 1992.
• Metzger, J. D. and M. S. El-Genk, "A High Efficiency Thermoelectric Converter for Space Applications". Proc. 26th IECEC Meeting, 3, 218-223, 1991.
• Guo, Z. and M.S. El-Genk, "A Study of Liquid Microlayer Evaporation on a Horizontal Heated Surface". Fundamentals of Forced Convection Heat Transfer, HT-181, 1991.
• Guo, Z. and M.S. El-Genk, "An Experimental Study of the Effect of Surface Orientation on Boiling Heat Transfer During Quenching". Proc. ASME Annual Winter Meeting, 1991.
• El-Genk, M. S. and Jae-Young Yang, "An Investigation of Voids Formation Mechanisms and their Effects on Freeze and Thaw Processes of Lithium and Lithium Fluoride". Institute for Space and Nuclear Power Studies, Final Report No. UNM-ISNPS-NAG 3-1045, 1991.
• El-Genk, M.S., C. Murray, and S. Chaudhuri, "Effects of Cs Vapor Pressure on Steady-State and Transient Operation of Thermionic Converters". Proc. 26th Intersociety Energy Conversion Engineering Conference, 3, 179-184, 1991.
• Morley, N.J., M.S. El-Genk, R. Cataldo, and H. Bloomfield, "Estimates of Power Requirements for a Manned Mars Rover Powered by a Nuclear Reactor". Proc. 8th Symposium on Space Nuclear Power Systems, AIP No.217(1), 245-252, 1991.
• El-Genk, M.S., C. Murray, S. Chaudhuri, V. Kaibyshev, A. Borovskikh, Y. Djashiashvili, and Y. Taldonov, "Experimental Evaluation of Cs-Ba Thermionic Switch/Inverter-'Tacitron". Proc. 26th Intersociety Energy Conversion Engineering Conference, 3, 160-165, 1991.
• Tournier, J.-M. and M.S. El-Genk, "Heat Pipe Transient Model for Space Applications". Proc. 8th Symposium on Space Nuclear Power Systems, AIP No.217(2), 857-868, 1991.
• Williamson, C.R. and M.S. El-Genk, "High-Speed Photographic Analysis of Saturated Nucleate Pool Boiling at Low Heat Flux". Proc. ASME Annual Winter Meeting, 1991.
• Yang, Y.J. and M.S. El-Genk, "Mechanisms of Voids Formation During Cooldown and Freezing of Lithium in SP-100 Type Systems". Proc. 8th Symposium on Space Nuclear Power Systems, AIP No.217(3), 1244-1254, 1991.
• El-Genk, M.S. and D. Rao, "On the Predictions of Critical Heat Flux in Rod Bundles at Low Flow and Low Pressure Conditions". Int. J. Heat Transfer Engineering, 12(4), 48-57, 1991.
• El-Genk, M.S., N.J. Morley, and V.E. (Bill) Haloulakas, "Pellet Bed Reactor for Nuclear Thermal Propelled Vehicles". Proc. 8th Symposium on Space Nuclear Power Systems, AIP No.217(2), 607-611a, 1991.
• Morley, N. and M.S. El-Genk, "Radiation Shielding Design for a Manned Mars Rover". Trans. Am. Nucl. Soc., 64, 1991.
• Morley, N.J. and M.S. El-Genk, "Shielding Analysis for a Manned Mars Rover Powered by an SP-100 Type Reactor". Proc. 8th Symposium on Space Nuclear Power Systems, AIP No.217(1), 347-354, 1991.
• Yang, J.Y. and M.S. El-Genk, "Shrinkage Void Formation and Its Effect on Freeze and Thaw Processes of Lithium and Lithium-Fluoride for Space Applications". Proc. 26th Intersociety Energy Conversion Engineering Conference, 1, 462-466, 1991.
• Chidester, K.M. and R.B. Matthews, "The Role of Carbon Diffusion in Densification of Uranium Dicarbide". Proc. 8th Symposium on Space Nuclear Power Systems, AIP No.217(3), 902-909, 1991.
• Dobranich, D. and M.S. El-Genk, "Thermal Stress Analyses of the Multilayered Fuel Particles of a Particle-Bed Reactor". J. Nuclear Technology, 94, 372-382, 1991.
• El-Genk, M.S., J.Y. Yang, and N.J. Morley, "Thermal-Hydraulic Analysis of Pellet Bed Reactor". AIAA/NASA/OAI Conference on Advanced Space Exploration Initiative (SEI) Technologies, 1991.
• Metzger, J.D., M.S. El-Genk, and A.G. Parlos, "Application of a Model-Reference Adaptive Controller to Ensure Load-Following of an SP-100-Type Space Nuclear Power System". Proc. 7th Symposium on Space Nuclear Power Systems, 934-940, 1990.
• El-Genk, M.S. and D.V. Rao, "Buoyancy Induced Instability of Laminar Flows in Vertical Annuli-I. Flow Visualization and Heat Transfer Experiments". Int. J. Heat and Mass Transfer, 33(10), 2145-2159, 1990.
• Rao, D.V. and M.S. El-Genk, "Buoyancy Induced Instability of Laminar Flows in Vertical Annuli-II. Model Development and Analysis". Int. J. Heat and Mass Transfer, 33(10), 2161-2172, 1990.
• , "Conceptual Studies of the Integration of a Nuclear Reactor System to a Manned Rover for Mars Missions". Proc. 7th Symposium on Space Nuclear Power Systems, 1, 420-425, 1990.
• El-Genk, M.S. and D. Rao, "Critical Heat Flux Prediction for the Annular Core Research Reactor". Proc. Int. Topical Meeting on Safety of Noncommercial Nuclear Reactor Research and Irridiation Facilities, 1990.
• Rao , D. V. and M. S. El-Genk, "Critical Heat Flux Predictions for the Upgrade of Sandia's Annular Core Research Reactor". Institute for Space Nuclear Power Studies, Final Report No. ISNPS - 312631-1-90, 1990.
• Rao , D. V. and M. S. El-Genk, "Critical Heat Flux Predictions for the Upgrade of Sandia's Annular Core Research Reactor". Institute for Space Nuclear Power Studies, Final Report No. ISNPS - 312631-1-9, 1990.
• El-Genk, M.S. and D. Rao, "Critical Heat Flux Predictions in Multi-Rod Bundles at Low Flow and Low Pressure Conditions". Thermal Hydraulics of Advanced Nuclear Reactors, HT-150 ASME, 20-30, 1990.
• Tournier, J.-M., M.S. El-Genk, and F. Carre, "Development and Validation of Thermoelectrics Model for the ERATO-20 kWe Space Power System". Proc. 7th Symposium on Space Nuclear Power Systems, 432-438, 1990.
• Metzger, J. D. and M. S. El-Genk, "Development of Model-Reference Adaptive Control with Application to a Space Nuclear Power System". Final Report NO. ISNPS 2-90, ISNPS, 1990.
• El-Genk, M.S., S.D. Bedrose, and D.V. Rao, "Forced and Combined Convection of Water in a Vertical Seven-rod Bundle with P/D=1.38". Int. J. Heat and Mass Transfer, 33(6), 1289-1297, 1990.
• El-Genk, M.S., S.D. Bedrose, and D.V. Rao, "Forced and Combined Convection of Water in Rod Bundles". Heat Transfer Engineering, 11(4), 32-43, 1990.
• Dobranich, D. and M.S. El-Genk, "Heat Transfer and Thermal Stress Analysis of Multi-Layered Fuel Particles". Proc. 7th Symposium on Space Nuclear Power Systems, 2, 1026-1032, 1990.
• El-Genk, M.S., N.J. Morley, R. Cataldo, and H. Bloomfield, "Preliminary Assessment of the Power Requirements of a Manned Rover for Mars Missions". Proc. 2nd Int. Conf. On Engineering, Construction and Operation in Space -- SPACE 90, 1990.
• El-Genk, M.S. and D.V. Rao, "Thermal Hydraulics Model for the Annular Core Research Reactor". Proc. Int. Topical Meeting on Safety of Noncommercial Nuclear Reactor Research and Irridiation Facilities, 1990.
• Dobranich, D. and M.S. El-Genk, "Thermal Stress Analysis of the Multilayered Spherical Fuel Particles of a Particle Bed Space Nuclear Reactor". ASME Annual Winter Meeting, Paper No-90-WA/NE-2, 1990.
• Rao, D.V., M.S. El-Genk, and A.J. Juhasz, "Transient Model of High Temperature Heat Pipes". Proc. 7th Symposium on Space Nuclear Power Systems, 854-861, 1990.
• El-Genk, M.S., S.D. Bedrose, and D.V. Rao, "Forced Laminar and Combined Downflow in Multirod Bundles". Trans. American Nuclear Society, 60, 674-676, 1989.
• , "Heat Transfer Experiments of Forced and Combined Downflows of Water in a Seven-Rod Bundle". Porous Media, Mixtures, and Multiphase Heat Transfer, HTD-117, 15-21, 1989.
• Seo, J.T. and M.S. El-Genk, "Image Analysis Technique for Porosity Determination of Carbide Fuel". Space Nuclear Power Systems 1988, Orbit Book Company, 419-428, 1989.
• El-Genk, M.S. and W.J. Ride, "Reliability and Vulnerability Studies of the SP-100 Dual-Loop Thermoelectric-Electromagnetic Pump". J. Propulsion and Power, 6(3), 305-314, 1989.
• Rao, D.V. and M.S. El-Genk, "Transition to Buoyancy Induced Turbulent Flow in Vertical Annuli". ASME Annual Winter Meeting, 1989.
• Amos, C., V. Denny, M. S. El-Genk, J. Maly, P. Mast, A. Mertol, B. Rothleder, R. Sartor, J. Weingardt, and K. Williams, "A Methodology to Examine In-Vessel Phenomena for use in the SRP Reactor Level 2 Probabilistic Risk Assessment". SAIC. Report, 1988.
• Seo, J.T. and M.S. El-Genk, "A Preliminary Study of Helium Gas Generation and its Effect on the SP-100 System Performance". Trans. 5th Symposium on Space Nuclear Power Systems, 153-157, 1988.
• Richardson, J. and M. S. El-Genk, "Coolability Studies of Dual-Layered Particle Beds". Particulate Phenomena and Multi-Phase Transport, 3, 315-328, 1988.
• El-Genk, M. S., S. J. Haynes, and Sung-Ho Kim, "Critical Heat Flux Experiments for Low Flow of Water in Vertical Annuli Near Atmospheric Pressure". Particulate Phenomena and Multi-Phase Transport, 2, 377-402, 1988.
• Kim, S.-H. and M.S. El-Genk, "Experimental Heat Transfer Studies for Low Flow of Water in Rod Bundles". Proc. 1988 National Heat Transfer Conference, HTD-96(2), 285-292, 1988.
• El-Genk, M.S., Sung-Ho Kim, G.M. Zaki, M.Aker, and F. Foushee, "Experimental Heat Transfer Study of Free Convection of Atmospheric Air in Vertical Open Annuli at High Surface Temperatures". J. Chem. Eng. Comm., 63, 225-243, 1988.
• El-Genk, M.S., S.J. Haynes, and S.-H. Kim, "Experimental Studies of Critical Heat Flux for Low Flow of Water in Vertical Annuli at Near Atmospheric Pressure". Int. J. Heat and Mass Transfer, 31(11), 2291-2304, 1988.
• El-Genk, M.S., S.-H. Kim, and G.M. Zaki, "Free Convection Experiments of Atmospheric Air in Vertical Open Annuli". Chem. Eng. Comm., 63, 225-243, 1988.
• Kim, Sung-Ho, M. S. El-Genk, R. R. Rubio, J. W. Brayson, and F. C. Foushee, "Heat Transfer Experiments and Correlation for Natural and Forced Circulation of Water in Rod Bundles". Proc. 11th TRIGA Owner-User Conference, 1988.
• El-Genk, M.S., J.T. Seo, and J.J. Buksa, "Load Following and Reliability Studies of an Integrated SP-100 System". J. Propulsion and Power, 4, 152-156, 1988.
• El-Genk, M. S. and V. R. Dasari, "Observed Flow Instabilities and Measured Nusselt Numbers for Buoyancy Assisted and Opposed Laminar Flow in a Vertical Annulus". Particulate Phenomena and Multi-Phase Transport, 3, 107-120, 1988.
• El-Genk, M. S., J. T. Seo, J. J. Buksa, S. N. Lapin, and B. Evans, "Space Nuclear Power System Analysis Model: SNPSAM-Mode 1 and Mode 2". AFWL-443-1, Report No. NE-126 (88), 1988.
• Rao, D.V., M.S. El-Genk, R.A. Rubio, J.W. Bryson, and F.C. Foushee, "Thermal Hydraulics Model for Sandia's Annular Core Research Reactor". Proc. 11th TRIGA Owner/User Conf., 1988.
• Rao, D.V., M.S. El-Genk, R. A. Rubio, J. W. Brayson, and F. C. Foushee, "Thermal-Hydraulic Model for the Sandia's Annular Core Research Reactor". Proc. .11th TRIGA Owner User Conference, 1988.
• El-Genk, M. S. and F. Carre, "Why Thermoelectrics for the LMFBR Derivative ERATO 20 kWe ?". SERMA/BP/1041, CEA/CEN, Report No. SERMA/BP 88-99, DEMT 88/382, 1988.
• El-Genk, M.S., S. Lapin, and J.T. Seo, "A Dynamic Model for the Aft Accumulator in the TE SP-100 System". Trans. 4th Symposium on Space Nuclear Power Systems, 435-440, 1987.
• El-Genk, M. S., Sung-Ho Kim and G. M. Zaki, "Experimental Heat Transfer Studies of Free Convection of Atmospheric Air in Vertical Open Annuli for Application to Air Coolability of TRIGA Type Reactors". SNL-417-1, Report No. NE 122(87), 1987.
• El-Genk, M. S., S. J. Haynes, and Sung-Ho Kim, "Experimental Studies for Critical Heat Flux at Low Flow of Water in Vertical Annuli Near Atmospheric Pressure". SNL-417-1, Report No. NE-125 (87), 1987.
• El-Genk, M. S., S. J. Haynes, and Sung-Ho Kim, "Experimental Studies for Critical Heat Flux at Low Flow of Water in Vertical Annuli Near Atmospheric Pressure". SNL-417-1, Report No. NE-125 (87), 1987.
• El-Genk, M.S., S.-H. Kim, G.M. Zaki, J.S. Philbin, J.F. Schulze, and F.C. Foushee, "Experimental Studies of the Air Coolability of TRIGA Reactors Following a Loss-of-Coolant Accident". J. Nuclear Technology, 76, 360-369, 1987.
• El-Genk, M.S. and D. V. Rao, "Heat Transfer Experiments and Correlations for Low Reynolds Number flows of water in vertical annuli". Report No. NE-124 (87), SNL-417-1, 1987.
• El-Genk, M. S. and D. V. Rao, "Heat Transfer Experiments of Unstable, Buoyancy Assisted and Opposed Laminar Flows in a Vertical Annulus". SNL-417-1, Report No. NE-123 (87), 1987.
• El-Genk, M. S. and D. V. Rao, "Heat Transfer Experiments of Unstable, Buoyancy Assisted and Opposed Laminar Flows in a Vertical Annulus". SNL-417-1, Report No. NE-123 (87), 1987.
• El-Genk, M.S., R.B. Matthews, and S.G. Bankoff, "Molten Fuel-Coolant Interaction Phenomena with Application to Carbide Fuel Safety". Progress in Nuclear Engineering, 20(3), 151-198, 1987.
• El-Genk, M.S. and J.T. Seo, "Parametric Analyses of the SP-100 System Performance". Trans. 4th Symposium on Space Nuclear Power Systems, 453-458, 1987.
• El-Genk, M. S., A. Parlos, D. Buden, J. Mims, and J. McGhee, "Pellet Bed Reactor Design for Space Power". 22nd IECEC Conference, 478-484, 1987.
• El-Genk, M. S., J. S. Philbin, and F.C. Foushee, "A Research Program Investigating Heat Transfer and Fluid Flow at Low Pressure". Proc. 10th TRIGA Owner-User Conference, 1986.
• El-Genk, M.S., G.M. Zaki, T.E. Williams, and J.S. Philbin, "Experimental Heat Transfer Studies of Laminar and Transition Flows of Water in a Vertical Annulus". J. International Communications in Heat an Mass Transfer, 13, 67-75, 1986.
• El-Genk, M.S. and D.V. Rao, "Heat Transfer Correlations for Low Reynolds Number Flows of Water in Vertical Annuli". Proc. ASME 1986 Winter Meeting, 1986.
• Louie, D. L. Y., M. S. El-Genk, R. L. Petty, R. B. Matthews, and J. H. Cook, "Image Analysis Technique for Porosity Determination of Carbide Fuel". Am. Cer. Soc. 88th Annual Meeting, 1986.
• Zaki , G. M., M. S. El-Genk, and J. S. Philbin, "Natural Convection Heat Transfer with Application to the Annular Core Research Reactor (ACRR)". Sandia National Labs, SAND85-2073, 1986.
• Barattino, W.J., M.S. El-Genk, and P.J. McDaniel, "Numerical Instabilities Encountered in Non-Linear Temperature Analysis of Radiation Shield for SP-100 Reactor". Space Nuclear Power Systems 1985, Orbit Book Company, 303-314, 1986.
• El-Genk, M.S. Sung-Ho Kim, G. M. Zaki, F. C. Foushee, J. S. Philbin, and J. Schultze, "On the Air Coolability of TRIGA Reactors Following a Loss of Coolant Accident". Proc. 10th TRIGA Owner-User Conference, 1986.
• El-Genk, M.S. and J.T. Seo, "Trends and Limits in the Upgrading of SP-100 Baseline Design of Nuclear Powered Space System". Space Nuclear Power Systems 1985, Orbit Book Company, 273-286, 1986.
• Zaki , G.M., M.S. El-Genk, T.E. Williams, and J.S. Philbin, "Experimental Heat Transfer Studies for Water in an Annulus at Low Reynolds Number". Fundamentals of Forced Convections, 42, 113-120, 1985.
• El-Genk, M.S., S. Kim, and D. Erickson, "Sedimentation of Binary Mixtures of Particles of Unequal Densities and of Different Sizes". Chem. Eng. Commun., 36, 99-119, 1985.
• Barattino, W., M.S. El-Genk, and P. McDaniel, "Thermal Analysis of a W-LiH Radiation Shield for an SP-100 Type Reactor". Trans. 2nd Symposium on Space Nuclear Power Systems, RS-10, 1985.
• El-Genk, M.S. and S.-H. Kim, "Experimental Studies of Lateral Distribution and Composition of Sediments of Single and Binary Particle Mixtures". AIChE Symposium Series-Heat Transfer, 225(79), 372, 1984.
• Kim, S.-H. and M.S. El-Genk, "Experimental Studies of Lateral Variation of Height and Composition of Particle Beds". Trans. American Nuclear Society, 46, 487-488, 1984.
• El-Genk, M. S. and Sung-Ho Kim, "On the Composition of Core Debris Beds During a Severe Core Damage Accident". Trans. Am. Nucl. Soc., 47, 310-312, 1984.
• El-Genk, M.S., S.-H. Kim, and D. Erickson, "Post-Accident Heat Removal Analysis: An Assessment of the Composition of Core Debris Beds". Proc. 5th International Meeting on Thermal Nuclear Reactor Safety, 1984.
• Sung-Ho Kim and M. S. El-Genk, "Settling Studies of Single and Two-Component Mixtures of Metal Spheres". SURP-195-6, Report No. NE-98 (83), 1984.
• El-Genk, M.S., R.M. Kumar, and D.W. Croucher, "An Analysis of Prompt Fission Gas Release from a Cladding Breach". J. Nuclear Technology, 60, 291-303, 1983.
• El-Genk, M.S., D. Louie, E. Bergeron, and D. Mitchell, "Dependence of Porosities and Capillary Pressures in Particle Beds on the Morphology and the Size of the Particle". AIChE Symposium Series-Heat Transfer, 225(79), 256, 1983.
• El-Genk, M. S. and E. Bergeron, "Dryout Heat Flux in Particulate Beds of Steel Grit". Trans. Am. Nucl. Soc., 44, 377, 1983.
• El-Genk, M. S., D. Louie, R. J. Lipinski, and D. E. Mitchell, "Experimental Measurements of Porosity and Capillary Pressure in Particulate Beds". Trans. Am. Nucl. Soc., 44, 337, 1983.
• El-Genk, M.S., R.R. Hobbins, and P.E. MacDonald, "Fragmentation of Molten Debris During a Molten Fuel-Coolant Interaction". J. Nuclear Materials, 113, 101-117, 1983.
• El-Genk, M.S. and R.L. Moore, "An Analysis of Molten Debris Freezing and Wall Erosion in a Severe RIA Test". Proc. 19th National Heat Transfer Conference, OSTI ID: 5247715, 30133, 1982.
• El-Genk, M.S. and R.R. Hobbins, "Analysis of Molten Fuel-Coolant Interaction During a Reactivity Initiated Accident Experiment". Fuel-Coolant Interaction, 19, 1981.
• El-Genk, M.S. and R. M. Kumar, "Analysis of Prompt Fission Gas Release from a Breached Fuel Rod". EGG-TFBP-5561, 1981.
• El-Genk, M.S., R.R. Hobbins, and P.E. MacDonald, "Molten Fuel-Coolant Interaction During a Reactivity Initiated Accident Experiment". J. Nuclear Engineering and Design, 66, 247-267, 1981.
• El-Genk, M.S. , "Molten Fuel-Coolant Interaction Occurring in a Severe Reactivity Initiated Accident Experiment". NUREG/CR-1900, EGG-2080, 1981.
• El-Genk, M.S. and R.L. Moore, "Transient Debris Freezing and Potential Wall Melting During a Severe Reactivity Initiated Accident Experiment". J. Nuclear Technology, 53, 354-373, 1981.
• El-Genk, M.S. and R. L. Moore, "A Study of Molten Debris Freezing and Wall Erosion in the RIA-ST-4 Experiment". NUREG/CR-1072, EGG-2020, 1980.
• El-Genk, M. S. and R. L. Moore, "Dual Change-of-Phase in Forced Flow on a Finite Wall with Application to SLSF Safety Analysis". Proc. International Meeting on Fast Reactor Safety, 1979.
• El-Genk, M.S., "Molten Fuel Radial Motion and Cladding Melting During a PCM Event in LWRs". J. Nuclear Engineering and Design, 54, 349-377, 1979.
• El-Genk, M.S. and A.W. Cronenberg, "On the Thermal Stability of a Frozen Crust in Forced Flow on an Insulated Finite Wall". Int. J. Heat and Mass Transfer, 22, 1719-1723, 1979.
• El-Genk, M. S. and D. W. Croucher, "Potential for Fuel Melting and Cladding Thermal Failure During a PCM Event in LWRs". Trans. Am. Nucl. Soc., 33, 506, 1979.
• El-Genk, M.S. and A.W. Cronenberg, "Solidification in a Semi-Infinite Region with Boundary Conditions of the Second Kind: An Exact Solution". Letters in Heat and Mass Transfer, 6, 321-327, 1979.
• El-Genk, M.S. and A.W. Cronenberg, "Some Improvements to the Solution of Stefan-Like Problems". Int. J. Heat and Mass Transfer, 22, 167-170, 1979.
• El-Genk, M.S. and A.W. Cronenberg, "Stefan-Like Problems in Finite Geometry". AIChE Symposium Series Heat Transfer No. 189, 69, 1979.
• El-Genk, M.S. , "An Asessment of Fuel Melting, Radial Extrusion, and Cladding Thermal Failure during a Power-Cooling-Mismatch Event in Light Water Reactors". NUREG/CR-0500, TREE-1270, 1978.
• El-Genk, M.S. and A.W. Cronenberg, "An Assessment of Fuel Freezing and Drainage Phenomena in a Reactor Shield Plug Following a Core Disruptive Accident". J. Nuclear Engineering and Design, 47, 195-225, 1978.
• Cronenberg, A.W. and M.S. El-Genk, "An Assessment of Oxygen Diffusion During UO2-Zircaloy Interaction". J. Nuclear Materials, 78, 390-407, 1978.
• El-Genk, M.S. and A. W. Cronenberg, "Improvements to the Solution of Stefan-Like Freezing and Melting Problems with Application to LMFBR Safety Analysis". Technical Report (Final) No. NE-52 (78), NRC-318-1, 1978.
• El-Genk, M. S. and A. W. Cronenberg, "Assessment of Molten Fuel Motion in CRBR Shield Plug Following a Core Disruptive Accident". Trans. Am. Nucl. Soc., 26, 371, 1977.
• Zaki, G. M., M. M. Farahat, and M. S. El-Genk, "Mathematical Model for Boiling Water Reactors". Fifth All-Union Heat and Mass Transfer Conference, 1976.
• Zaki, G. M., M. M. Farahat, and M. S. El-Genk, "MAGI Computer Code for Steady State Thermal Analysis of Boiling Water Power Reactors". Proc. Iraqi First Conference on Uses of Atomic Energy, 1975.