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Modular, thermal bus-to-radiator integral heat exchanger design for Space Station FreedomThe baseline concept is introduced for the 'integral heat exchanger' (IHX) which is the interface of the two-phase thermal bus with the heat-rejecting radiator panels. A direct bus-to-radiator heat-pipe integral connection replaces the present interface hardware to reduce the weight and complexity of the heat-exchange mechanism. The IHX is presented in detail and compared to the baseline system assuming certain values for heat rejection, mass per unit width, condenser capacity, contact conductance, and assembly mass. The spreadsheet comparison can be used to examine a variety of parameters such as radiator length and configuration. The IHX is shown to permit the reduction of panel size and system mass in response to better conductance and packaging efficiency. The IHX is found to be a suitable heat-rejection system for the Space Station Freedom because it uses present technology and eliminates the interface mechanisms.
Document ID
19910066744
Acquisition Source
Legacy CDMS
Document Type
Conference Paper
Authors
Chambliss, Joe
(Lockheed Engineering and Sciences Co. Houston, TX, United States)
Ewert, Michael
(NASA Johnson Space Center Houston, TX, United States)
Date Acquired
August 14, 2013
Publication Date
January 1, 1990
Subject Category
Man/System Technology And Life Support
Report/Patent Number
SAE PAPER 901435
Accession Number
91A51367
Funding Number(s)
CONTRACT_GRANT: NAS9-17900
Distribution Limits
Public
Copyright
Other

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