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NASA-LLIS-6149

Lessons Learned - Don’t Purge Dead-Headed Hydrogen Lines With Helium Downstream Of Source

contributor authorNASA - National Aeronautics and Space Administration (NASA)
date accessioned2017-09-04T15:27:35Z
date available2017-09-04T15:27:35Z
date copyright03/09/2012
date issued2012
identifier otherNRUQUEAAAAAAAAAA.pdf
identifier urihttps://yse.yabesh.ir/std/handle/yse/28531
description abstractResidual 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.
languageEnglish
titleNASA-LLIS-6149num
titleLessons Learned - Don’t Purge Dead-Headed Hydrogen Lines With Helium Downstream Of Sourceen
typestandard
page2
statusActive
treeNASA - National Aeronautics and Space Administration (NASA):;2012
contenttypefulltext
subject keywords1.Cryogenic Systems
subject keywords1.Flight Operations
subject keywords1.Launch Systems
subject keywords1.Launch Vehicle
subject keywords1.Level II/III requirements definition
subject keywords1.Propulsion
subject keywords1.Spacecraft
subject keywords1.Vehicle concepts


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