NASA Technical Reports Server (NTRS) : NESC pdf

NASA Technical Reports Server (NTRS) : NESC

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The 8-Foot HTT (refer to Figure 4.0-1) is used to conduct tests of air-breathing hypersonic propulsion systems at Mach numbers 4, 5, and 7. Methane, Air, and LOX are mixed and burned in a combustor to produce test gas stream containing 21 percent by volume oxygen. The NESC was requested by the NASA LaRC Executive Safety Council to review the rationale for a proposed change to the recertification requirements, specifically the internal inspection requirements, of the 8-Foot HTT LOX Run Tank and LOX Storage Tank. The Run Tank is an 8,000 gallon cryogenic tank used to provide LOX to the tunnel during operations, and is pressured during the tunnel run to 2,250 pounds per square inch gage (psig). The Storage Tank is a 25,000 gallon cryogenic tank used to store LOX at slightly above atmospheric pressure as a external shell, with space between the shells maintained under vacuum conditions

• Creator/s: NASA Technical Reports Server (NTRS
• Date: 4/1/2009
• Year: 2009
• Book Topics/Themes: NASA Technical Reports Server (NTRS), HIGH TEMPERATURE, LIQUID OXYGEN, METHANE, PROPULSION SYSTEM CONFIGURATIONS, HYPERSONIC FLIGHT, CRYOGENICS, OXYGEN, PRESSURE VESSELS, PROPULSION SYSTEM PERFORMANCE, MEASURING INSTRUMENTS, SAFETY, Gilbert, Michael, Raju, Ivatury, Piascik, Robert, Cameron, Kenneth, Kirsch, Michael, Hoffman, Eric, Murthy, Pappu, Hopson, George, Greulich, Owen, Frazier, Wayne

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