by National Aeronautics and Space Administration, George C. Marshall Space Flight Center in [Marshall Space Flight Center, Ala.] .
Written in English
|Statement||by Dave Seymour.|
|Series||NASA TM -- 103548., NASA technical memorandum -- 103548.|
|Contributions||George C. Marshall Space Flight Center.|
|The Physical Object|
During the summer of , space shuttle Columbia experienced both an external tank/orbiter disconnect hydrogen leak and multiple internal aft compartment hydrogen leaks. After the third scrub of STS, a leak investigation team was organized. In support of this team, an analysis of the data obtained during scrub 3 was : Dave Seymour. STS scrub 3 hydrogen leak analysis [microform] / by Dave Seymour National Aeronautics and Space Administration, George C. Marshall Space Flight Center [Marshall Space Flight Center, Ala.] Australian/Harvard Citation. Seymour, Dave. & George C. Marshall Space Flight Center. These were replaced and retested. Damaged teflon cover seal in main engine number three hydrogen prevalve replaced. Launch rescheduled for Sept. Fuel leak in aft compartment resurfaced during tanking and mission scrubbed again. STS mission put on hold until problem resolved by special tiger team assigned by Space Shuttle director. NASA Technical Memorandum NASA TM //v -/g STS SCRUB 3 HYDROGEN LEAK ANALYSIS By Dave Seymour Propulsion Laboratory Science and Engineering Directorate July ,,,?,-I '_- I ".C _,) r _ J" O, NatLonal Aeronautics and S0ace Adm_ntstratton George C. .
The Hydrogen technology assessment, opportunities for industry and research. Phase I [microform] Experimental results of hydrogen slosh in a 62 cubic foot ( liter) tank [microform] / Matthew E. Mor STS scrub 3 hydrogen leak analysis [microform] / by Dave Seymour. composition and/or microstructure. This is supported by hydrogen analysis of a number of stainless steels that have been thermally precharged with hydrogen and it isotopes, showing that hydrogen concentrations can be alloy dependent [6, 12, 13]. 3. Mechanical Properties: Effects of Gaseous Hydrogen Tensile properties. Hydrogen is a flammable gas with a wide flammability range (4%–75% by volume) and relatively low ignition energy ( millijoules) (McCarty et al. ). It has a very low density. 1. HYDROGEN FUNDAMENTALS INTRODUCTION Hydrogen is the first element in the periodic table with the atomic number 1. It is the lightest and most abundant element in the universe representing 75 mass% or 90 vol% of all matter. On Earth, it is mostly found in compounds with almost every other element. Considering just the compound water,File Size: 1MB.
NASA Managers have decided to scrub the launch of space shuttle Discovery for mission STS until Tuesday, Nov. 30 to allow the proper time . 3) MOF 4) AX Assess Off-Board Fuel Cycles. K. System Life Cycle Assessments (SSWAG Lead) Evaluate or develop designs and cost inputs for the fuel cycle to project: 1) Refueling cost: 2) Well-to-Tank energy use and GHG emissions (ANL lead) Finalize review of Dow’s ammonia borane first fill and spent fuel regeneration cost analysis. An engineering assessment of the hydrogen economy. Manhattan: Center for Energy Studies, Kansas State University. MLA Citation. Mingle, John O. and Eckhoff, N. D. and Rash, L. A. An engineering assessment of the hydrogen economy / by J. O. Mingle, N. D. Eckhoff, L. A. Rash Center for Energy Studies, Kansas State University Manhattan System Design, Analysis, and Modeling for Hydrogen Storage Systems. Matthew Thornton. Jon Cosgrove and Jeff Gonder. National Renewable Energy Laboratory (NREL) J Project ID # ST This presentation does not contain any proprietary, confidential, or .