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Iodine Satellite Propellant Feed Clog-Clearing Demonstration TestingExperiments are conducted to quantify the formation and clearing of iodine clogs in an iodine feed system. Deposits in the low-pressure portion of the system near the exit to vacuum appear to be relatively small in extent and incomplete in blocking the flow, and they are relatively easy to remove with the re-application of heating, disappearing in minutes. Clogs forming upstream, nearer to the higher-pressure propellant tank, appear to completely block the flow, are much larger in spatial extent, and form much more rapidly than the low-pressure blockages. Significantly more effort is required to remove upstream deposits.
Document ID
20180008435
Acquisition Source
Marshall Space Flight Center
Document Type
Technical Memorandum (TM)
Authors
Polzin, K. A. (NASA Marshall Space Flight Center Huntsville, AL, United States)
Date Acquired
December 12, 2018
Publication Date
December 1, 2018
Subject Category
Propellants And Fuels
Report/Patent Number
M18-1478
NASA/TM-2018-220128
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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