Institute for Space and Nuclear Power Studies The University of New Mexico
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University of New Mexico
Institute for Space & Nuclear
Power Studies
Farris Engineering Center
Room 239, MSC01-1120
Albuquerque, NM 87131
Phone: 505.277.0446
Fax: 505.277.2814
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Heat Pipe Technology and Thermosyphons

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 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.

Louie, D.L.Y., and M.S. El-Genk, "Consequences of Venting System Failure in the Heat Pipe Space Nuclear Reactor," Trans. 1st Symposium on Space Nuclear Power Systems, Albuquerque, NM, Jan. 8-13, 1984, SR-10.

El-Genk, M. S., Jong-Tae Seo, and D. M. Woodall, "Feasibility Study of Upgrading the Heat Pipe Space Nuclear Reactor System Design," Final Report, AFWL-144-1 (1985). (Technical Report)

Seo, J.T. and M.S. El-Genk, "A Transient Model of High Temperature Heat Pipes," Trans. 5th Symposium on Space Nuclear Power Systems, Albuquerque, NM, Jan. 11-14, 1988, 114-119.

Soe, J.T. and M.S. El-Genk, "A Transient Model for Liquid Metal Heat Pipes," Space Nuclear Power Systems 1988, Eds. M.S. El-Genk and M.D. Hoover, 9, Orbit Book Company, Inc., Malabar, FL, 404-417, 1989.

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, 2, Albuquerque, NM, Jan. 7-10, 1990, 854-861.

El-Genk, M.S. and J.T. Seo, "Study of the SP-100 Radiator Heat Pipes Response to External Thermal Exposure," J. Propulsion and Power, 6(1), 69-77, 1990.

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), Albuquerque, NM, Jan. 6-10, 1991, 1244-1254.

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), Albuquerque, NM, Jan. 6-10, 1991, 857-868. (Refereed Article)

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), Albuquerque, NM, Jan. 6-10, 1991, 857-868.

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, Boston, MA, Aug. 4-9, 1991, 462-466.

Tournier, J.-M. and M.S. El-Genk, ""HPTAM" Heat-Pipe Transient Analysis Model: An Analysis of Water Heat Pipes," Proc. 9th Symposium on Space Nuclear Power Systems, AIP No.246(3), Albuquerque, NM, Jan. 12-16, 1992, 1023-1037.

El-Genk, M.S. and L. Huang, "Experimental Investigation of a Low Temperature Heat Pipe Response to Transient Heating," Proc. 8th International Heat Pipe Conference, Beijing, China, Sept. 14-19, 1992.

El-Genk, M. S., and L. Huang, " An Experimental Investigation of Low Temperature Heat Pipe Response to Transient Heating," Proc. 8th International Heat Pipe Conference, Beijing, China, 14-18 September 1992. (Proceedings Article)

Huang, L. and M.S. El-Genk, "Experimental Investigation of Transient Operation of a Water Heat Pipe," Proc. 10th Symposium on Space Nuclear Power and Propulsion, AIP No.271(1), Albuquerque, NM, Jan. 10-14, 1993, 365-374.

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, Eds. M. Coutaud and J.M. Delhaye, Grenoble, France, Oct. 5-8, 1993, 843-850.

Tournier, J.-M., and M.S. El-Genk, "A Transient Analysis of Water Heat Pipe," Proc. ASME Winter Annual Meeting, New Orleans, LA, Nov. 28-Dec. 3, 1993.

El-Genk, M.S. and L. Huang, "An Experimental Investigation of the Transient Response of a Water Heat Pipe," Int. J. Heat and Mass Transfer, 36(15), 3823-3830, 1993.

El-Genk, M.S., and L. Huang, "An Experimental Investigation of the Transient Response of a Water Heat Pipe," Int. J. Heat and Mass Transfer, 36(15), 3823-3830, 1993.

Faghri, A.J. Juhasz, and T. Mahefkey, HTD-236 ASME, NY, 87-92, 1993.

Tournier, J.-M. and M.S. El-Genk, "Capabilities of "HPTAM", A Two-Dimensional Heat Pipe Transient Analysis Model," Proc. 1st Annual Spacecraft Thermal Control Symposium, Albuquerque, NM, Nov. 16-18, 1994.

Tournier, J.-M. and M.S. El-Genk, "A Heat Pipe Transient Analysis Model," Int. J. Heat and Mass Transfer, 37(5), 753-762, 1994.

Tournier, J.-M. and M.S. El-Genk, "Segregated Solution Technique for Simulating the Transient Operation of Heat Pipes," J. Numerical Heat Transfer, Part B: Fundamentals, 25, 331-355, 1994.

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), Albuquerque, NM, Jan. 8-12, 1995, 123-134.

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), Albuquerque, NM, Jan. 8-12, 1995, 123-134.

El-Genk, M.S. and J.-M. Tournier, "A Critical Review of Free-Molecule and Transition Flow Regimes in Heat Pipes," Proc. 9th International Heat Pipe Conference, Albuquerque, NM, May 1-5, 1995.

Tournier, J.-M. and M.S. El-Genk, "Status Report on "HPTAM", a Two-Dimensional Heat Pipe Transient Analysis for Space and Terrestrial Applications," Proc. 9th International Heat Pipe Conference, Albuquerque, NM, May 1-5, 1995.

El-Genk, M.S., L. Huang, and J.-M. Tournier, "Transient Experiments of an Inclined Copper-Water Heat Pipe," J. Thermophysics and Heat Transfer, 9(1), 109-116, 1995.

Tournier, J.-M. and M.S. El-Genk, "A Transient Analysis of the Startup of a Water Heat Pipe from a Frozen State," J. Numerical Heat Transfer, Part B: Applications, 28, 461-486, 1995.

Tournier, J.-M. and M.S. El-Genk, "A Transient Analysis of the Startup of a Water Heat Pipe from a Frozen State," J. Numerical Heat Transfer, Part B: Applications, 28, 461-486, 1995.

Tournier, J.-M. and M.S. El-Genk, "Modeling of the Startup of a Water Heat Pipe from Frozen State," AIChE Symp. Series-Heat Transfer, 91, 323-232, 1995.

Tournier, J.-M. and M.S. El-Genk, "Modeling of the Startup of a Water Heat Pipe from Frozen State," AIChE Symp. Series-Heat Transfer, 91, 323-232, 1995.

Tournier, J.-M. and M.S. El-Genk, "Transient Analysis of the Startup of a Sodium Heat Pipe from a Frozen State," Proc. Space Technology and Applications International Forum (STAIF-96), AIP No.361(3), Albuquerque, NM, Jan. 7-11, 1996, 1121-1128.

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), Albuquerque, NM, Jan. 7-11, 1996, 911-919.

El-Genk, M.S. and H.H. Saber, "Flooding Limits for Different Thermosyphon Working Fluids at Vapor Temperatures of 250K-700K," Proc. 31st AIAA Thermophysics Conference, New Orleans, LA, June 17-20, 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.

Tournier, J.-M. and M.S. El-Genk, "A Vapor Flow Model for Analysis of Liquid-Metal Heat Pipes Startup from a Frozen State," Int. J. Heat and Mass Transfer, 39(18), 3767-3780, 1996.

Tournier, J.-M. and M.S. El-Genk, "A Vapor Flow Model for Analysis of Liquid-Metal Heat Pipes Startup from a Frozen State," Int. J. Heat and Mass Transfer, 39(18), 3767-3780, 1996.

Tournier, J.-M. and M.S. El-Genk, "An Analysis of the Startup of a Radiatively-Cooled Sodium Heat Pipe from a Frozen State," AIChE Symp. Series-Heat Transfer, 301(92), 324-332, 1996.

Tournier, J.-M. and M.S. El-Genk, "An Analysis of the Startup of a Radiatively-Cooled Sodium Heat Pipe from a Frozen State," AIChE Symp. Series-Heat Transfer, 301(92), 324-332, 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.

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), Albuquerque, NM, Jan. 26-30, 1997, 397-413.

El-Genk, M.S. and H. Saber, "Heat Transfer in the Evaporator of Closed, Two-Phase Thermosyphons," Proc. 10th International Heat Pipe Conference, Stuttgard, Germany, Sept. 22-26, 1997.

El-Genk, M.S. and H. Saber, "Performance Envelopes for Gravity Assisted Two-Phase Thermosyphons," Proc. 10th International Heat Pipe Conference, Stuttgart, Germany, Sept. 22-26, 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), Stuttgart, Germany, Sept. 22-26, 1997, 131-137.

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.

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), Albuquerque, NM, June 15-18, 1998, 99-106.

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.

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.

Tournier, J.-M. and M. S. El-Genk, User’s manual for “H2PAC” A Two-Dimensional High-Temperature Heat Pipe Analysis Code, Including Startup from a Frozen State, Final Report No. UNM-ISNPS-1-2001, Vol. 2, Institute for Space and Nuclear Power Studies, The University of New Mexico (May 2001). (Technical Report)

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, Anaheim, CA, June 10-12, 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, Anaheim, CA, June 10-12, 2001.

El-Genk, M. S. and Hamed H. Saber, "Breakup of an Evaporating Liquid Film falling Down a vertical heated Surface," Proc. 35rd National Heat Transfer Conference, NHTC01-116118, Anaheim, CA, June 10-12, 2001. (Refereed Article)

Tournier, J.-M., and M.S. El-Genk, "Current Capabilities of "HPTAM" for Modeling High-Temperature Heat Pipes' Startup from a Frozen State," Proc. Space Technology and Applications International Forum (STAIF-2002), AIP No.608, Albuquerque, NM, February 3-6, 2002, 139-147.

El-Genk, M.S. and J.-M. Tournier, "Challenges and Fundamentals of Modeling Heat Pipes' Startup from a Frozen State," Proc. Space Technology and Applications International Forum (STAIF-2002), AIP No.608, Albuquerque, NM, February 3-6, 2002, 127-138.

El-Genk, M.S. and J.-M. Tournier, "Challenges and Fundamentals of Modeling Heat Pipes' Startup from a Frozen State," Proc. Space Technology and Applications International Forum (STAIF-2002), AIP No.608, Albuquerque, NM, February 3-6, 2002, 127-138.

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, Grenoble, France, August 2002. (Refereed Article)

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.

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.

El-Genk, M.S. and J.-M. Tournier, "Performance Analysis of Potassium Heat Pipes Radiator for HP-STMCs Space Reactor Power System," Proc. Space Technology and Applications International Forum (STAIF-2004), AIP No. 699, Albuquerque, NM, February 8-11, 2004, 793-805.

Tournier, J.-M. and M.S. El-Genk, "Reactor Lithium Heat Pipes for HP-STMCs Space Reactor Power System," Proc. Space Technology and Applications International Forum (STAIF-2004), AIP No. 699, Albuquerque, NM, February 8-11, 2004, 781-792.

Tournier, J.-M. and M. S. El-Genk, “Advanced Liquid Metal Heat Pipes Radiator for Space Reactor Power Systems,” J. Propulsion and Power (in print, 28 January 2006). (Refereed Article)

Tournier, J.-M. and M. S. El-Genk, “Liquid Metal Heat Pipes Radiator for Space Reactor Power Systems, Proceedings 3rd International Energy Conversion Engineering Conference, , Paper No. AIAA-2005-5701, 2005.(Proceedings Article)

Tournier, J.-M. and M. S. El-Genk, “Radiator Heat Pipes with Carbon-Carbon Fins and Armor for Space Nuclear Reactor Power Systems,” Proceedings of Space Technology and Applications International Forum (STAIF-05), AIP Conference Proceedings No. 746, American Institute of Physics, Melville, NY, 2005, 935 – 944. (Proceedings Article)

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, No. 5, 2006, 1117 – 1134.

El-Genk, M. S. and J.-M. Tournier, “High Temperature Water Heat Pipes Radiator for a Brayton Space Reactor Power System,” Proceedings of Space Technology and Applications International Forum (STAIF-06), AIP Conference Proceedings No. 813, American Institute of Physics, Melville, NY, 2006, 716 – 729.

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), 2008, 402 – 411.

El-Genk, M. S., “Space Reactor Power Systems with No Single Point Failures,” J. Nuclear Engineering and Design (in print April, 2007).

Huang, L., M.S. El-Genk, and J.-M. Tournier, "Transient Performance of an Inclined Water Heat Pipe with a Screen Wick," Heat Pipes and Capillary Pumped Loops, Eds. A.

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Last updated 4/6/07. ©2006-2007 ISNPS-UNM.