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There are a total of 7 record(s) matching your query.
Sorted by: Date Added To NTRS in Descending order
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The Effect of Simulated Lunar Dust on the Absorptivity, Emissivity, and Operating Temperature on AZ-93 and Ag/FEP Thermal Control Surfaces
Author(s): Gaier, James R.; Siamidis, John; Panko, Scott R.; Rogers, Kerry J.; Larkin, Elizabeth M. G.
Abstract: JSC-1AF lunar simulant has been applied to AZ-93 and AgFEP thermal control surfaces on aluminum or composite substrates in a simulated lunar environment. The temperature of these surfaces was monitored as they were heated ...
NASA Center: Glenn Research Center Publication Year: 2008
Added to NTRS: 2009-02-11
Document ID: 20090005996; Report Number: E-16723, NASA/TM-2008-215492
Cold Start of a Radiator Equipped with Titanium-Water Heat Pipes
Author(s): Jaworske, Donald A.; Sanzi, James L.; Siamidis, John
Abstract: Radiator panels utilizing titanium-water heat pipes are being considered for lunar applications. A traditional sandwich structure is envisioned where heat pipes are embedded between two high thermal conductivity face sheets. ...
NASA Center: Glenn Research Center Publication Year: 2008
Added to NTRS: 2008-12-25
Document ID: 20080047458
Effect of Simulated Lunar Dust on the Properties of Thermal Control Surfaces
Author(s): Gaier, James R.; Siamidis, John; Larkin, Elizabeth M. G.
Abstract: JSC-1AF lunar simulant has been applied to AZ-93 and AgFEP thermal control surfaces on aluminum or composite substrates in a simulated lunar environment. The temperature of these surfaces was monitored as they were heated ...
NASA Center: Glenn Research Center Publication Year: 2008
Added to NTRS: 2008-12-17
Document ID: 20080046922
Extraction of Thermal Performance Values from Samples in the Lunar Dust Adhesion Bell Jar
Author(s): Gaier, James R.; Siamidis, John; Larkin, Elizabeth M. G.
Abstract: A simulation chamber has been developed to test the performance of thermal control surfaces under dusty lunar conditions. The lunar dust adhesion bell jar (LDAB) is a diffusion pumped vacuum chamber (10(exp -8) Torr) built ...
NASA Center: Glenn Research Center Publication Year: 2008
Added to NTRS: 2008-11-07
Document ID: 20080042389
Heat Rejection Concepts for Lunar Fission Surface Power Applications
Author(s): Siamidis, John
Abstract: This paper describes potential heat rejection design concepts for lunar surface Brayton power conversion systems. Brayton conversion systems are currently under study by NASA for surface power applications. Surface reactors ...
NASA Center: Glenn Research Center Publication Year: 2006
Added to NTRS: 2007-02-07
Document ID: 20070001076; Report Number: AIAA Paper 2006-4196, E-15666, NASA/CR-2006-214388
A Comparison of Coolant Options for Brayton Power Conversion Heat Rejection Systems
Author(s): Mason, Lee S.; Siamidis, John
Abstract: This paper describes potential heat rejection design concepts for Brayton power conversion systems. Brayton conversion systems are currently under study by NASA for Nuclear Electric Propulsion (NEP) and surface power ...
NASA Center: Glenn Research Center Publication Year: 2006
Added to NTRS: 2006-08-02
Document ID: 20060008935; Report Number: E-15456, NASA/TM-2006-214121
Heat Rejection Concepts for Brayton Power Conversion Systems
Author(s): Siamidis, John; Mason, Lee; Beach, Duane; Yuko, James
Abstract: This paper describes potential heat rejection design concepts for closed Brayton cycle (CBC) power conversion systems. Brayton conversion systems are currently under study by NASA for Nuclear Electric Propulsion (NEP) ...
NASA Center: Glenn Research Center Publication Year: 2005
Added to NTRS: 2005-08-25
Document ID: 20050160234; Report Number: AIAA Paper 2004-5654, E-14807, NASA/TM-2005-213337
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