Published: Jan 1966
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Trouble-free, rapid repressurization of space simulation chambers is possible using a commercially available muffler. Expected adverse dynamic and acoustic phenomena were eliminated during chamber tests. Heat transfer during the repressurization period was by forced convection; after the repressurization it was primarily by free convection. Fogging occurred during ambient air repressurization when the cryowall was cold. An open-cycle fan heater should eliminate this fog annoyance.
space environment, space chambers, human factors, vacuum, repressurization, mufflers
Jones, J. H.
Functional engineer, General Electric Co., King of Prussia, Pa.
Berman, R. J.
Engineer, General Electric Co., King of Prussia, Pa.
Acoustics engineer, Research and Development Center, General Electric Co., Schenectady, N. Y.
Paper ID: STP46445S