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System Level Water Balance for Space Station Freedom
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English
Abstract
As a result of a 1989 program rephasing, Space Station Freedom's system-level water balances have been materially shifted. The average and the most likely values of the water balance, and the components of variability, were evaluated in this study. The Assembly Complete configuration has a large excess of ECLSS potable water but a deficit of ECLSS hygiene water. In contrast, there is a small ECLSS potable water deficit but an excess of ECLSS hygiene water for the “Permanent Manned Capability” (PMC) configuration. Upon considering the Orbiter fuel cell water supply to the station and the combined demands for station water, the average and most likely values for the overall excess quantity are 6,800 and 9,000 pounds per year for the Assembly Complete configuration. Comparable values for the PMC configuration are 6,600 and 6,400 pounds per year.
Authors
Citation
Sargent, D., "System Level Water Balance for Space Station Freedom," SAE Technical Paper 901213, 1990, https://doi.org/10.4271/901213.Also In
Space Station Environmental/Thermal Control and Life Support Systems
Number: SP-0829; Published: 1990-07-01
Number: SP-0829; Published: 1990-07-01
References
- Albright, R. A. Nemeth P. Rockwell International “Transfer of Orbiter Supply Water to Space Station Freedom” Fluid Management System Working Group Meeting at Marshall Space Flight Center December 12 1989
- Rocktoff, J. Levine A. “The Impact of the Efficiency of the Environmental Control and Life Support System (ECLSS) Water Recovery Subsystem on Space Station Freedom Water Balance” SAE Paper 891482 19th Intersociety Conference on Environmental Systems San Diego July 24-27 1989
- Campbell, C.E. Boeing Aerospace and Electronics “Customer Accommodations Assessments” B October 6 1989
- Campbell, C.E. Boeing Aerospace and Electronics “Assessment for Water Requirements for Payloads - Quality and Quantity - and Recommendation for UPWS Add Back” October 25 1989
- Yamaura, Y. Tanaka S. “JEM/FMS Interface (Requirements)” Fluid Management System Working Group Meeting at Marshall Space Flight Center March 7 1990