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NASA-LLIS-6149
Lessons Learned - Don’t Purge Dead-Headed Hydrogen Lines With Helium Downstream Of Source
Year: 2012
Abstract: Residual hydrogen in the fill and drain line during the terminal count down sequence could lead to a catastrophic failure. The best practice is to connect the purge line to the propellant line as closely as possible to the dead headed end of the line to ensure complete purging on the line.
Subject: 1.Cryogenic Systems
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| contributor author | NASA - National Aeronautics and Space Administration (NASA) | |
| date accessioned | 2017-09-04T15:27:35Z | |
| date available | 2017-09-04T15:27:35Z | |
| date copyright | 03/09/2012 | |
| date issued | 2012 | |
| identifier other | NRUQUEAAAAAAAAAA.pdf | |
| identifier uri | https://yse.yabesh.ir/std/handle/yse/28531 | |
| description abstract | Residual hydrogen in the fill and drain line during the terminal count down sequence could lead to a catastrophic failure. The best practice is to connect the purge line to the propellant line as closely as possible to the dead headed end of the line to ensure complete purging on the line. | |
| language | English | |
| title | NASA-LLIS-6149 | num |
| title | Lessons Learned - Don’t Purge Dead-Headed Hydrogen Lines With Helium Downstream Of Source | en |
| type | standard | |
| page | 2 | |
| status | Active | |
| tree | NASA - National Aeronautics and Space Administration (NASA):;2012 | |
| contenttype | fulltext | |
| subject keywords | 1.Cryogenic Systems | |
| subject keywords | 1.Flight Operations | |
| subject keywords | 1.Launch Systems | |
| subject keywords | 1.Launch Vehicle | |
| subject keywords | 1.Level II/III requirements definition | |
| subject keywords | 1.Propulsion | |
| subject keywords | 1.Spacecraft | |
| subject keywords | 1.Vehicle concepts |