Pressure Vessels for Space Station Freedom

by Glenn M. Ecord, Lyndon B. Johnson Space Cent, United States,
Henry W. Babel, Lyndon B. Johnson Space Cent, United States,

Document Type: Proceeding Paper

Part of: Structural Safety and Reliability


Space Station Freedom (SSF) will utilize more than 10 different types of pressure vessels for storage of oxygen, hydrogen, nitrogen and mixed gases at operating pressures ranging from 1.03 to 41.4 MPa (150 to 6000 psi). The number and size of the vessels makes maximum weight efficiency in their design a necessity. Life expectation of 10 to 30 years requires rigorous analysis and design verification to assure reliability and safety during use. Graphite/epoxy overwrapped composite vessels with metal liners have been baselined for many of the high pressure applications. The approach for design, certification and use of space station pressure vessels is presented.

Subject Headings: Space stations | Pressure vessels | Minimum weight design | Load and resistance factor design | Composite materials | Dissolved gases | Plastic design

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