This paper presents results of new development work carried out in the context of the Water Conditioning Assembly (WCA) which is part of the Liquid Management Section (LMS) of the Hermes Environmental Control and Life Support Subsystem (ECLSS) (see ref [1] and [2]).Its task is to condition and monitor the quality of highly pure water which has been produced in two fuel-cell stacks by the oxidation of hydrogen. This water will be used for different cooling elements (e.g. water evaporator, water sublimator) and as potable water for drinking and food purposes.The assembly consists mainly of: This paper presents the selected design concepts of the main constituents. Based on these concepts breadboard models of the H2 separator and of the water quality monitoring device are described. The results of several test series, namely for: are presented. The conclusions and the analysis for further development work are then explained.
Water Conditioning Assembly for Hermes ECLSS
Sae Technical Papers
International Conference On Environmental Systems ; 1993
1993-07-01
Conference paper
English
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