A slush hydrogen (SH2) technology facility (STF) was designed, fabricated and assembled by a contractor team of McDonnell Douglas Aerospace (MDA), Martin Marietta Aerospace Group (MMAG), and Air Products and Chemicals, Inc. (APCI). The STF consists of a slush generator which uses the freeze-thaw production process, a vacuum subsystem, a test tank which simulates the NASP vehicle, a triple point hydrogen receiver tank, an transfer subsystem, a sample bottle, a pressurization system, and a complete instrumentation and control subsystem. The STF was fabricated, checked-out, and made ready for testing under this contract. The actual SH2 testing was performed under the NASP consortium following NASP teaming. Pre-STF testing verified SH2 production methods, validated special SH2 instrumentation, and performed limited SH2 pressurization and expulsion tests which demonstrated the need for gaseous helium pre-pressurized of SH2 to control pressure collapse. The STF represents cutting-edge technology development by an effective Government-Industry team under very tight cost and schedule constraints. (Author).
Slush Hydrogen Technology Program
1994
72 pages
Report
No indication
English
Basic & Synthetic Chemistry , Space Technology , Rocket Propellants , Liquid hydrogen , Generators , Design criteria , Fabrication , Assembly , Freezing , Thawing , Production , Vacuum , Storage tanks , Test and evaluation , Cryogenics , Aerospaceplanes , Spacecraft , Transfer , Sampling , Pressurization , Instrumentation , Helium , Gases , Slush hydrogen , NASP(National Aerospace Plane) , Expulsion tests , Receiver tanks
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