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Pilot cryo tunnel: Attachments, seals, and insulationSeveral different tests are described which simulated the actual configuration of a cryogenic wind tunnel operating at pressures up to 5 atmospheres (507 kPa) and temperatures from -320 F (78K) to 120 F (322K) in order to determine compatible bolting, adequate sealing, and effective insulating materials. The evaluation of flange attachments (continuous threaded studs) considered bolting based on compatible flanges, attachment materials, and prescribed bolt elongations. Various types of seals and seal configurations were studied to determine suitability and reusability under the imposed pressure and temperature loadings. The temperature profile was established for several materials used for structural supports.
Document ID
19790022073
Acquisition Source
Legacy CDMS
Document Type
Conference Paper
Authors
Wilson, J. F. (NASA Langley Research Center Hampton, VA, United States)
Ware, G. D. (NASA Langley Research Center Hampton, VA, United States)
Ramsey, J. W., Jr. (NASA Langley Research Center Hampton, VA, United States)
Date Acquired
September 3, 2013
Publication Date
January 1, 1974
Subject Category
Research And Support Facilities (Air)
Report/Patent Number
NASA-TM-80509
Report Number: NASA-TM-80509
Meeting Information
Meeting: ASCE Natl. Structural Meeting
Location: Cincinnati, OH
Country: United States
Start Date: April 22, 1974
End Date: April 26, 1974
Accession Number
79N30244
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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