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The development and testing of a regenerable CO2 and humidity control system for ShuttleA regenerable CO2 and humidity control system is presently being developed for potential use on Shuttle as an alternate to the baseline lithium hydroxide (LiOH) system. The system utilizes a sorbent material (designated 'HS-C') to adsorb CO2 and water vapor from the cabin atmosphere and desorb the CO2 and water vapor overboard when exposed to a space vacuum. Continuous operation is achieved by utilizing two beds which are alternately cycled between adsorption and desorption. This paper presents the significant hardware development and test accomplishments of the past year. A half-size breadboard system utilizing a flight configuration canister was successfully performance tested in simulated Shuttle missions. A vacuum desorption test provided considerable insight into the desorption phenomena and allowed a significant reduction of the Shuttle vacuum duct size. The fabrication and testing of a flight prototype canister and flight prototype vacuum valves have proven the feasibility of these full-size, flight-weight components.
Document ID
19770064016
Document Type
Conference Paper
Authors
Boehm, A. M. (United Technologies Corp. Hamilton Standard Div., Windsor Locks, Conn., United States)
Date Acquired
August 9, 2013
Publication Date
July 1, 1977
Subject Category
MAN/SYSTEM TECHNOLOGY AND LIFE SUPPORT
Report/Patent Number
ASME PAPER 77-ENAS-27
Meeting Information
Intersociety Conference on Environmental Systems(San Francisco, CA)
Funding Number(s)
CONTRACT_GRANT: NAS9-13624
Distribution Limits
Public
Copyright
Other