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NASA-LLIS-0036
Lessons Learned - Back Pressure Regulato
Year: 1992
Abstract: Description of Driving Event:
The T-0 vent support assemblies are mounted on the orbiter T-0 Interface to support controlled venting of PRSD tanks after landing. In the event of regulator diaphragm failure, GH2 or GO2 can vent to atmosphere near the orbiter through the back pressure regulators. Leaking GH2 could cause a fire or explosion. Leaking GO2 could contribute to failure of the diaphragm in the back pressure regulator of the FCSS, PRSD T-0 safing system could release GH2 in the vicinity of the orbiter.
The T-0 vent support assemblies are mounted on the orbiter T-0 Interface to support controlled venting of PRSD tanks after landing. In the event of regulator diaphragm failure, GH2 or GO2 can vent to atmosphere near the orbiter through the back pressure regulators. Leaking GH2 could cause a fire or explosion. Leaking GO2 could contribute to failure of the diaphragm in the back pressure regulator of the FCSS, PRSD T-0 safing system could release GH2 in the vicinity of the orbiter.
Subject: Energetic Materials - Explosive/Propellant/Pyrotechnic
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| contributor author | NASA - National Aeronautics and Space Administration (NASA) | |
| date accessioned | 2017-09-04T17:15:44Z | |
| date available | 2017-09-04T17:15:44Z | |
| date copyright | 09/18/1992 | |
| date issued | 1992 | |
| identifier other | ZDYCQCAAAAAAAAAA.pdf | |
| identifier uri | http://yse.yabesh.ir/std/handle/yse/139152 | |
| description abstract | Description of Driving Event: The T-0 vent support assemblies are mounted on the orbiter T-0 Interface to support controlled venting of PRSD tanks after landing. In the event of regulator diaphragm failure, GH2 or GO2 can vent to atmosphere near the orbiter through the back pressure regulators. Leaking GH2 could cause a fire or explosion. Leaking GO2 could contribute to failure of the diaphragm in the back pressure regulator of the FCSS, PRSD T-0 safing system could release GH2 in the vicinity of the orbiter. | |
| language | English | |
| title | NASA-LLIS-0036 | num |
| title | Lessons Learned - Back Pressure Regulato | en |
| type | standard | |
| page | 2 | |
| status | Active | |
| tree | NASA - National Aeronautics and Space Administration (NASA):;1992 | |
| contenttype | fulltext | |
| 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 Vehicle | |
| subject keywords | Parts Materials & Processes | |
| subject keywords | Pressure Vessel |