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Apollo experience report: Lunar module environmental control subsystemA functional description of the environmental control subsystem is presented. Development, tests, checkout, and flight experiences of the subsystem are discussed; and the design fabrication, and operational difficulties associated with the various components and subassemblies are recorded. Detailed information is related concerning design changes made to, and problems encountered with, the various elements of the subsystem, such as the thermal control water sublimator, the carbon dioxide sensing and control units, and the water section. The problems associated with water sterilization, water/glycol formulation, and materials compatibility are discussed. The corrective actions taken are described with the expection that this information may be of value for future subsystems. Although the main experiences described are problem oriented, the subsystem has generally performed satisfactorily in flight.
Document ID
Document Type
Other - NASA Technical Note (TN)
Gillen, R. J.
(NASA Lyndon B. Johnson Space Center Houston, TX, United States)
Brady, J. C.
(NASA Lyndon B. Johnson Space Center Houston, TX, United States)
Collier, F.
(NASA Lyndon B. Johnson Space Center Houston, TX, United States)
Date Acquired
September 2, 2013
Publication Date
March 1, 1972
Subject Category
Space Vehicles
Report/Patent Number
Accession Number
Funding Number(s)
PROJECT: RTOP 914-50-80-10-72
Distribution Limits
Work of the US Gov. Public Use Permitted.
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