Latest Publications

El-Genk, M.S., T. Schriener, Lightweight Heat Pipe Radiator for Nuclear Reactor Power Systems on Lunar Surface. J. Nuclear Technology, 2025. 211(3) 400-428
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.
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.
El-Genk, M.S., T.M. Schriener, Lightweight Heat Pipe Radiator for Nuclear Reactor Power Systems on Lunar Surface. Nuclear Technology, 2024. 1-29
Schriener, T.M., M.S. El-Genk, Armored Lightweight Heat Rejection Radiator for Lunar Surface Nuclear Reactor Power Systems. Proceedings ANS 2024 Nuclear and Emerging technologies for Space (NETS 2024), 2024.
El-Genk, M.S., T. Schriener, Lightweight Heat Pipe Radiator Panel for Lunar Surface Fission Power Systems. Proceedings AIAA ASCEND Conference, 2024.
El-Genk, M.S., Designs of Space Nuclear Reactor Power Systems for the Avoidance of Single Point Failures, Launch Safety, and a Long Operation Life. Proceedings AIAA ASCEND Conference, 2024.
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, 2023. 197 3082-3109
Altamimi, R., M.S. El-Genk, Equivalent Circuit Model for Predicting the Performance Characteristics of Direct Current-Electromagnetic Pumps. J Material Sciences and Engineering, 2023. 12(1) 629
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, 2023. 410 112376

Recent Events

10/4/2024
ISNPS Director Mohamed El-Genk invited to be Panelist at Opening Plenary of 2024 ANS Winter Conference and Expo
12/4/2024
El-Genk invited speaker at the Open Plenary Panel at ANS Winter Meeting, 17-21, 2024
12/9/2024
Masters Graduation - Ahmad Shaheen

Contact

Physical Location:
Ferris Engineering Center
Room 1120

Mailing Address:
Institute for Space & Nuclear Power Studies
MSC01-1120
1 University of New Mexico
Albuquerque, NM 87131

Phone: 505.277.5442
Fax: 505.277.5433

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Publications By Topic : Thermionic (ti) Conversion

Showing 89 results

El-Genk, M. S, "Space Nuclear Reactor Power System Concepts with Static and Dynamic Energy Conversion". J. Energy Conversion and Management Special Issue on Space Nuclear Power and Propulsion, 49(3), 402-411, 2008.
El-Genk, M.S. and J.-M. Tournier, "Startup and Load-Following Transients of a Thermoelectric Space Reactor System with No Single Point Failure". Proceedings 3rd International Energy Conversion Engineering Conference, Paper No. AIAA-2005-5715, 2005.
Momozaki, Y. and M. S. El-Genk, "Investigations of the Performance of Grooved Electrodes Thermionic Converters at Collector Temperatures up to 1023K". J. Energy Conversion and Management, 45, 1153-1174, 2004.
Momozaki, Y. and M.S. El-Genk, "Effects of Collector Temperature on the Performance of Grooved Electrode Thermionic Converters". Proc. Space Technology and Applications International Forum (STAIF-2003), AIP No. 654, 757-765, 2003.
Momozaki, Y. and M.S. El-Gen, "Electrical Breakdown Experiments with Application to Alkali Metal Thermal-to-Electric Converters". J. Energy Conversion and Management, 44(6), 819-843, 2003.
El-Genk, M. S. , "Energy Conversion Options for NASA's Space Nuclear Power Systems Initiative". Proceedings of the International Congress on Advanced Nuclear Power Plants (ICAPP-03), 2003.
El-Genk, M.S. and Y. Momozaki, "An Experimental Investigation of the Performance of a Thermionic Converter with Planar Molybdenum Electrodes for Low Temperature Applications". J. Energy Conversion and Management, 43, 911-936, 2002.
Momozaki, Y. and M.S. El-Genk, "An Investigation of Breakdown Voltage in AMTEC". Proc. Space Technology and Applications International Forum (STAIF-2002), AIP No.608, 972-979, 2002.
Momozaki, Y. and M.S. El-Genk, "Dissociative Recombination Coefficient for Low Temperature Equilibrium Cesium Plasma". J. Applied Physics, 92(2), 690-697, 2002.
El-Genk, M.S., and J.-M. Tournier, "High Energy Utilization, Co-Generation Nuclear Power Plants with Static Energy Conversion". Proc. International Congress on Advanced Nuclear Power Plants, 2002.
Momozaki, Y. and M.S. El-Genk, "Experimental Investigation of a Thermionic Converter with Molybdenum Electrodes for Low Temperature Applications". Proc. Space Technology and Applications International Forum (STAIF-2001), AIP No.552, 1142-1151, 2001.
Momozaki , Y. and M. S. El-Genk, "A Thermionic Converter with a Planar, Macro-Grooved Emitter and 0.5 mm Gap". Proc. Space Technology and Applications International Forum (STAIF-99), AIP Conference Proceedings No. 458, 2, 1999.
Luke, J.R. and M.S. El-Genk, "Grid Design and Placement in a Cs-Ba Tacitron". Proc. Space Technology and Applications International Forum (STAIF-99), AIP No.458(2), 1597-1602, 1999.
El-Genk, M.S. and J. Luke, "Performance Comparison of Thermionic Converters with Smooth and Micro-Grooved Electrodes". J. Energy Conversion and Management, 40, 319-334, 1999.
El-Genk, M.S. and D.V. Paramonov, "Thermionic Conversion". Wiley Encyclopedia of Electrical and Electronics Engineering, 22, 49-67, 1999.
Paramonov, D.V. and M.S. El-Genk, "Effect of Oxygen on the Operation of a Planar Thermionic Converter for Isothermal and Isoflux Heating Condition". J. Energy Conversion and Management, 39(5), 375-390, 1998.
Paramonov, D.V. and M.S. El-Genk, "Effect of Oxygen on the Operation of a Single-Cell Thermionic Fuel Element in Presence of Oxygen". J. Nuclear Materials, 256, 218-228, 1998.
El-Genk, M.S. and Y. Momozaki, "Performance Evaluation of a Thermionic Converter with a Macro-Grooved Emitter and a Smooth Collector". Proc. Space Technology and Applications International Forum (STAIF-98), AIP No.420(1), 308-316, 1998.
Paramonov, D.V. and M.S. El-Genk, "A Review of Cesium Thermionic Converters with Developed Emitter Surfaces". J. Energy Conversion and Management, 38(6), 533-549, 1997.
Wernsman, B. and M.S. El-Genk, "Discharge Model of the Grid-Collector Region During 'Slow Quenching' of a Cs-Ba Tacitron: Preliminary Results". Proc. Space Technology and Applications International Forum (STAIF-97), AIP No.387(3), 1609-1612, 1997.
Luke, J.R., M.S. El-Genk, and J. Adrian, "Experimental Investigation of a Thermionic Converter with Developed Surface Electrodes". Proc. Space Technology and Applications International Forum (STAIF-97), AIP No.387(3), 1531-1536, 1997.
Wernsman, B. and M.S. El-Genk, "Extinguishing by 'Slow Quenching' in a Thick Grid Cs-Ba Tacitron". J. Applied Physics, 81, 50-57, 1997.
Wernsman, B. and M.S. El-Genk, "Extinguishing Mechanisms of Cesium-Barium Tacitrons using Thick, Low Transparency Circular Holed Grids". Final Report UNM-ISNPS 2-1997, 1997.
Wernsman, B. and M.S. El-Genk, "Influence of Thick, Low Transparency, Circular Holed Grid on 'Slow Quenching' of a Cs-Ba Tacitron". Proc. Space Technology and Applications International Forum (STAIF-97), AIP No.387(3), 1599-1607, 1997.
Paramonov, D. and M.S. El-Genk, "Simulation of Fission Heated Single-Cell Thermionic Fuel Elements in Presence of Oxygen Using Uniform Electric Heating". Proc. Space Technology and Applications International Forum (STAIF-97), AIP No.387(3), 1521-1529, 1997.
Paramonov, D.V. and M.S. El-Genk, "Test Results of Ya-21U Thermionic Space Power System,' J. Nuclear Technology". J. Nuclear Technology, 117(1), 1-14., 1997.
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.
Paramonov, D.V. and M.S. El-Genk, "Analysis of Ya-21U Thermionic Fuel Elements". J. Nuclear Technology, 116(3), 261-269, 1996.
Paramonov, D.V. and M.S. El-Genk, "Effect of Oxygen on Performance and Emitter Material Transport in Thermionic converters". Symposium on Energy Conversion, AIChE Annual meeting, 1996.
Paramonov , D. V. and M. S. El-Genk, "Effect of Oxygen on Performance and Mass Transport in a Single Cell Thermionic Fuel Elements". Proc. 31st Intersociety Energy Conversion Engineering Conference, 1996.
Paramonov, D.V. and M.S. El-Genk, "Effect of Oxygen on Performance and Mass Transport in a Single-Cell Thermionic Fuel Element". Proc. 31st Intersociety Energy Conversion Engineering Confernece, 1996.
Luke, J.R. and M.S. El-Genk, "Langmuir Probe Measurements of Discharge Parameters in a Cs-Ba Tacitron". J. Applied Physics, 79(11), 8247-8252, 1996.
Paramonov, D.V. and M.S. El-Genk, "Performance Analysis and an Assessment of Operational Issues of Ya-21U". Proc. Space Technology and Applications International Forum (STAIF-96), AIP No.361(3), 1267-1278, 1996.
Wernsman, B. and M.S. El-Genk, "Plasma Characteristics during 'Slow Quenching' of a Cs-Ba Tacitron". Proc. Space Technology and Applications International Forum (STAIF-96), AIP No.361(3), 1339-1348, 1996.
Luke, J.R. and M.S. El-Genk, "Steady-State Langmuir Probe Measurements in a Cs-Ba Tacitron". Proc. Space Technology and Applications International Forum (STAIF-96), AIP No.361(3), 1349-1354, 1996.
Paramonov, D.V. and M.S. El-Genk, "A Detailed Thermal-Hydraulic Model of the TOPAZ-II Radiator". Proc. 12th Symposium on Space Nuclear Power and Propulsion, AIP No.324(2), 485-493, 1995.
El-Genk, M. S., D. V. Paramonov, H. Xue, B. G. Ogloblin and D. P. Shumov, "A Topaz-II Bimodal Design Assessment Study and System Analysis". Proc. 12th Symposium on Space Nuclear Power and Propulsion, AIP Conference Proceedings No. 324, 827-836, 1995.
Wernsman , B. and M. S. El-Genk, "Effect of Grid Design on Cs- Ba Tacitron Operation and Its Application to Space Nuclear Power Systems". Proc. 12th Symposium on Space Nuclear Power and Propulsion, 1, 101-110, 1995.
Wernsman, B. and M.S. El-Genk, "Effect of Grid Design on Cs-Ba Tacitron Operation and its Application to Space Nuclear Power Systems". Proc. 12th Symposium on Space Nuclear Power and Propulsion, AIP No.324(1), 101-110, 1995.
Luke, J.R. and M.S. El-Genk, "Experimental Investigation of a Cs-Ba Diode using Langmuir Probes". Proc. 12th Symposium on Space Nuclear Power and Propulsion, AIP No.324(1), 111-116, 1995.
Wernsman, B. and M.S. El-Genk, "Experimental Investigation of Current Modulation in a Planar Cs-Ba Tacitron". IEEE Transactions on Plasma Science, 23(2), 196-203, 1995.
Luke, J.R. and M.S. El-Genk, "Low-pressure Cs-Ba Discharge: I. Model Development". J. Applied Physics, 78(6), 3643-3649, 1995.
Luke, J.R. and M.S. El-Genk, "Low-pressure Cs-Ba Discharge: II. Probe Measurements". J. Applied Physics, 78(6), 3650-3658, 1995.
Luke, J.R. and M.S. El-Genk, "A Transient Model of a Cs-Ba Diode". Proc. 11th Symposium on Space Nuclear Power and Propulsion, AIP No.301(3), 1243-1249, 1994.
El-Genk, M.S. and D.V. Paramonov, "An Analysis of Disassembling Radial Reflector of a Thermionic Space Nuclear Reactor Power System". J. Nuclear Safety,, 35, 74-85, 1994.
El-Genk, M.S. and D.V. Paramonov, "An Integrated Model of the TOPAZ-II Electromagnetic Pump". J. Nuclear Technology, 108(2), 171-180, 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.
Paramonov, D. V. and M. S. El-Genk, "Development and Comparison of a TOPAZ-II System Model with Experimental Data". J. Nuclear Technology, 108(2), 157-170, 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.
Murray, C.S. and M. S. El-Genk, "Experimental and Theoretical Studies of a High Temperature Cesium-Barium Tacitron, with Application to Low Voltage-High Current Inversion". Final Report No. UNM-ISNPS 1-94, 1994.
Wernsman, B., M.S. El-Genk, and V.Z. Kaibyshev, "Experimental Investigation and Analysis of the Operation Characteristics of a Planar Cs-Ba Tacitron". Review of Scientific Instruments, 65(11), 3449-3454, 1994.
Djachiachvili, I. and M. El-Genk, "Investigation of Triangular Aperture Grid for Plasma Switch Devices". Proc. 21st International Power Modulation Symposium, 260-263, 1994.
Wernsman, B. and M.S. El-Genk, "Modulation Capabilities of Different Grid Designs for a Cs-Ba Tacitron". Proc. 21st International Power Modulation Symposium, 228-231, 1994.
El-Genk, M.S., B. Wernsman, and J. Luke, "Recent Advances in Cs-Ba Tacitron Technology". Proc. 21st International Power Modulation Symposium, 244-247, 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.
El-Genk, M.S., D.V. Paramonov, and A.C. Marshall, "Startup Simulation of the TOPAZ-II Reactor System for Accident Conditions". Proc. 11th Symposium on Space Nuclear Power and Propulsion, AIP No.301(3), 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.
Murray, C., M.S. El-Genk, and V. Kaibyshev, "Steady-State Model of a Low Cs Pressure Discharge in a Triode". Proc. 11th Symposium on Space Nuclear Power and Propulsion, AIP No.301(3), 1233-1241, 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.
El-Genk, M.S. and H. Xue, "Two-Dimensional Steady-State and Transient Analyses of Single-Cell Thermionic Fuel Elements". J. Nuclear Technology, 108, 112-125, 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.
Murray, C.S., M.S. El-Genk, B. Wernsman, V.Z. Kaibyshev, "A Steady-State Model for a Low-Pressure Cs-Ba Diode". J. Applied Physics, 74(1), 68-76, 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.
Morley, N.J. and M.S. El-Genk, "Neutronics and Safety Analysis of Pellet Bed Reactor for Nuclear Thermal Propulsion". Proc. 10th Symposium on Space Nuclear Power and Propulsion, AIP No.271(2), 923-933, 1993.
El-Genk, M.S., V. Kaibyshev, and C. Murray, "Preliminary Performance Results of the Cs-Ba Tacitron Inverter". IEEE Transactions on Electron Devices, 40(7), 1335-1339, 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., H. Xue, and D. Paramonov, "Start-Up Simulation of a Thermionic Space Nuclear Reactor System". Proc. 10th Symposium on Space Nuclear Power and Propulsion, AIP No.271(2), 935-950, 1993.
El-Genk, M.S., H. Xue, and C. Murray, "Transient and Load-Following Characteristics of a Fully Integrated Single-Cell Thermionic Fuel Element". J. Nuclear Technology, 102(2), 145-166, 1993.
Xue , H. and M. S. El-Genk, "Two -Dimensional Transient and Steady-State Analysis of a TOPAZ-II Thermionic Fuel Element". Proc. 10th Symposium on Space Nuclear Power and Propulsion, AIP Conference Proceedings No. 271, Part 3, 1661-1671, 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.
Murray, C., M.S. El-Genk, and V. Kaibyshev, "An Analysis of Extinguishing Characteristics of a Cs-Ba Tacitron". Proc. 9th Symposium on Space Nuclear Power Systems, AIP No.246(1), 417-426, 1992.
El-Genk, M. S. and C. Murray, "Cs- Ba Tacitron: I. Extinguishing Characteristics". Institute for Space and Nuclear Power Studies, University of New Mexico, Final Report No. UNM-ISNPS 1-1992, 1992.
El-Genk, M.S., V. Kaibyshev, C. Murray, B. Wernsman, and Y. Djashiashvili, "Effect of the Grid Aperture on the Operation of the Cs-Ba Tacitron Inverter". Proc. 27th Intersociety Energy Conversion Engineering Conference, 1992.
Murray, C., B. Wernsman, and M.S. El-Gen, "Ignition and Extinguishing Characteristics of Cs-Ba Tacitron". J. Applied Physics, 72(10), 4556-4565, 1992.
Wernsman, B., M.S. El-Genk, and C. Murray, "Ignition of Cs-Ba Tacitron During Breakdown and Extinguishing Modes". Proc. 9th Symposium on Space Nuclear Power Systems, AIP No.246(1), 410-416, 1992.
El-Genk, M.S., H. Xue, C. Murray, and S. Chaudhuri, "TITAM Thermionic Integrated Transient Analysis Model: Load-Following Characteristics of a Single-Cell TFE". Proc. 9th Symposium on Space Nuclear Power Systems, AIP No.246(3), 1013-1022, 1992.
El-Genk, M.S. and H. Xue, "Tranient and Steady-State Analysis of an Electrically Heated TOPAZ-II Thermionic Fuel Element". Proc. 27th IECEC Meeting, 1992.
El-Genk, M.S. and H. Xue, "Transient and Steady-State Analyses of an Electronically Heated Topaz-II Thermionic Fuel Element". Proc. 27th Intersociety Energy Conversion Engineering Conference, 1992.
El-Genk, M.S., C.S. Murray, and S. Chandhuri, "A Transient Model of a Cesium Vapor Thermionic Converter". Proc. 8th Symposium on Space Nuclear Power Systems, AIP No.217(3), 1259-1267, 1991.
El-Genk, M. S., C. S. Murray, and S. Chandhuri, "A Transient Model of a Thermionic Converter". Proc. 8th Symposium on Space Nuclear Power Systems, AIP Conference Proceedings No. 217, 1259-1267, 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.
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.
El-Genk, M.S., C. Murray, and S. Chaudhuri, "High Temperature Thermionic Switch/Inverter, Cs-Ba Tacitron". Proc. First High Temperature Electronics Conference, 1991.
Kaibyshev , V., A. Borovskikh, Y. Djashiashvili, Y. Taldonov, M. S. El-Genk, C. Murray, and G. McDuff, "Peculiarities of the Discharge Breakdown of the Cs- Ba Tacitron". Proc. 2nd Specialist Conference of the USSR, Nuclear Power Engineering in Space, 1991.
El-Genk, M.S., N. Morley, R. Cataldo, and H. Bloomfield, "A Comparison of Energy Conversion Systems for Meeting the Power Requirements of Manned Rover for Mars Mission". Proc. 25th Intersociety Energy Conversion Engineering Conference, 34-39, 1990.

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