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NASA-LLIS-0034
Lessons Learned - Cryogenic Loading/Draining of the Main Propulsion System (MPS)
| contributor author | NASA - National Aeronautics and Space Administration (NASA) | |
| date accessioned | 2017-09-04T16:17:52Z | |
| date available | 2017-09-04T16:17:52Z | |
| date copyright | 09/17/1992 | |
| date issued | 1992 | |
| identifier other | TDYCQCAAAAAAAAAA.pdf | |
| identifier uri | https://yse.yabesh.ir/std/handle/yse/81302 | |
| description abstract | Description of Driving Event: The main propulsion system's (MPS) LH2 system operations include the transfer of LH2 from the pad storage tank to the orbiter and pressurization of the external tank during drain operations. A leak/ fire during cryogenic loading or draining operations may result in loss of vehicle and/or life. This risk remains active until shuttle liftoff from the fixed service structure, for a flight readiness firing, or for a countdown demonstration test. LH2 leaks may occur via structure/component failure, purge loss due to flow restriction (clogs, regulator/valve fails closed), or flow diversion (relief valve fails open, flexhose ruptures). | |
| language | English | |
| title | NASA-LLIS-0034 | num |
| title | Lessons Learned - Cryogenic Loading/Draining of the Main Propulsion System (MPS) | en |
| type | standard | |
| page | 2 | |
| status | Active | |
| tree | NASA - National Aeronautics and Space Administration (NASA):;1992 | |
| contenttype | fulltext | |
| subject keywords | Cryogenic Systems | |
| subject keywords | Energetic Materials - Explosive/Propellant/Pyrotechnic | |
| subject keywords | Facilities | |
| subject keywords | Flight Equipment | |
| subject keywords | Ground Equipment | |
| subject keywords | Ground Operations | |
| subject keywords | Hardware | |
| subject keywords | Hazardous/Toxic Waste/Materials | |
| subject keywords | Launch Process | |
| subject keywords | Launch Vehicle | |
| subject keywords | Parts Materials & Processes | |
| subject keywords | Pressure Vessels |
