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Development and application of a generalized transient computer program for Shuttle atmospheric pressure and composition control analysisA generalized computer program for analysis of pressure and composition in a multiple-volume system has been developed by NASA. This paper describes the development of the program, outlines the program's capabilities, and illustrates the application of the program to Space Shuttle-related atmospheric pressure and composition control analyses. The program's features include the calculation of transient partial pressures of four gases in four volumes, an option for either isothermal or temperature-transient analyses, simulation of pressure and composition control hardware, and simulation involving 0-10 crewmembers. This computer program has been used successfully for a variety of Shuttle-related analyses to support hardware design, develop operating procedures, and provide real-time Shuttle mission support. Due to the versatility of this computer program, it will be utilized for Space Station program analyses.
Document ID
19850051563
Acquisition Source
Legacy CDMS
Document Type
Conference Paper
Authors
Lafuse, S. A.
(NASA Johnson Space Center Houston, TX, United States)
Date Acquired
August 12, 2013
Publication Date
July 1, 1984
Subject Category
Spacecraft Design, Testing And Performance
Report/Patent Number
SAE PAPER 840960
Accession Number
85A33714
Distribution Limits
Public
Copyright
Other

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