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Cryogenic Multilayer Insulation Theory and An Analysis of Seams Under a Variety of AssumptionsThe theory of thermal radiation as applied to cryogenic surfaces is explored, andvalidation cases are solved in Thermal Desktop. Some results are compared topreviously published research, and new results are published regarding cracks inboth spherical and cylindrical cryogenic insulations with a cold boundary of 90Kto 220K for ten layer blankets under a variety of assumptions and scenarios.It was found that enabling directional emission{as well as specular, mirrorlikereflections have little impact on the results.
Document ID
20190000474
Acquisition Source
Glenn Research Center
Document Type
Conference Paper
Authors
Elchert, J. P. (NASA Glenn Research Center Cleveland, OH, United States)
Date Acquired
February 9, 2019
Publication Date
July 30, 2018
Subject Category
Fluid Mechanics And Thermodynamics
Engineering (General)
Report/Patent Number
GRC-E-DAA-TN60172
Report Number: GRC-E-DAA-TN60172
Meeting Information
Meeting: Thermal and Fluids Analysis Workshop (TFAWS)
Location: Galveston, TX
Country: United States
Start Date: August 20, 2018
End Date: August 24, 2018
Sponsors: NASA Headquarters
Funding Number(s)
WBS: WBS 448887.04.03.03
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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