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NASA-LLIS-0147
Lessons Learned - OMS Engine Injector Ball Joints
Year: 1992
Abstract: Description of Driving Event:
The orbital maneuvering system engine trickle purge system is used to prevent oxidation/corrosion damage to the OMS engine injector ball joints. A 1.0 - 1.5 SCFM GN2 flow is applied during postlanding ground operations. Undetected loss of GN2 purge to OMS engine injector cavities could eventually corrode the vehicle system.
The orbital maneuvering system engine trickle purge system is used to prevent oxidation/corrosion damage to the OMS engine injector ball joints. A 1.0 - 1.5 SCFM GN2 flow is applied during postlanding ground operations. Undetected loss of GN2 purge to OMS engine injector cavities could eventually corrode the vehicle system.
Subject: Flight Equipment
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| contributor author | NASA - National Aeronautics and Space Administration (NASA) | |
| date accessioned | 2017-09-04T16:44:50Z | |
| date available | 2017-09-04T16:44:50Z | |
| date copyright | 33879 | |
| date issued | 1992 | |
| identifier other | BSYCQCAAAAAAAAAA.pdf | |
| identifier uri | https://yse.yabesh.ir/std/handle/yse/108145 | |
| description abstract | Description of Driving Event: The orbital maneuvering system engine trickle purge system is used to prevent oxidation/corrosion damage to the OMS engine injector ball joints. A 1.0 - 1.5 SCFM GN2 flow is applied during postlanding ground operations. Undetected loss of GN2 purge to OMS engine injector cavities could eventually corrode the vehicle system. | |
| language | English | |
| title | NASA-LLIS-0147 | num |
| title | Lessons Learned - OMS Engine Injector Ball Joints | en |
| type | standard | |
| page | 2 | |
| status | Active | |
| tree | NASA - National Aeronautics and Space Administration (NASA):;1992 | |
| contenttype | fulltext | |
| subject keywords | Flight Equipment | |
| subject keywords | Ground Operations | |
| subject keywords | Hardware |