Pre-engineering Spaceflight Validation of Environmental Models and the 2005 HZETRN Simulation CodeThe HZETRN code has been identified by NASA for engineering design in the next phase of space exploration highlighting a return to the Moon in preparation for a Mars mission. In response, a new series of algorithms beginning with 2005 HZETRN, will be issued by correcting some prior limitations and improving control of propagated errors along with established code verification processes. Code validation processes will use new/improved low Earth orbit (LEO) environmental models with a recently improved International Space Station (ISS) shield model to validate computational models and procedures using measured data aboard ISS. These validated models will provide a basis for flight-testing the designs of future space vehicles and systems of the Constellation program in the LEO environment.
Document ID
20060051806
Acquisition Source
Langley Research Center
Document Type
Conference Paper
Authors
Nealy, John E. (Old Dominion Univ. Norfolk, VA, United States)
Cucinotta, Francis A. (NASA Johnson Space Center Houston, TX, United States)
Wilson, John W. (NASA Langley Research Center Hampton, VA, United States)
Badavi, Francis F. (Christopher Newport Univ. Newport News, VA, United States)
Dachev, Ts. P. (Bulgarian Academy of Sciences Sofia, Bulgaria)
Tomov, B. T. (Bulgarian Academy of Sciences Sofia, Bulgaria)
Walker, Steven A. (Old Dominion Univ. Norfolk, VA, United States)
DeAngelis, Giovanni (Old Dominion Univ. Norfolk, VA, United States)
Blattnig, Steve R. (NASA Langley Research Center Hampton, VA, United States)
Atwell, William (Boeing Co. Houston, TX, United States)