High-pressure cryogenic seals for pressure vessels

This investigation of the problems associated with reliably containing gaseous helium pressurized to 1530 bars (22 500 psi) between 4.2 K and 150 K led to the following conclusions: (1) common seal designs used in existing elevated-temperature pressure vessels are unsuitable for high-pressure cryoge...

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Bibliographic Details
Main Author: Buggele, A. E.
Format: Other/Unknown Material
Language:unknown
Published: 1977
Subjects:
MECHANICAL ENGINEERING
Anvil
Psi
common seal
Online Access:http://hdl.handle.net/2060/19770021549
id ftnasantrs:oai:casi.ntrs.nasa.gov:19770021549
record_format openpolar
spelling ftnasantrs:oai:casi.ntrs.nasa.gov:19770021549 2023-05-15T15:56:08+02:00 High-pressure cryogenic seals for pressure vessels Buggele, A. E. Unclassified, Unlimited, Publicly available Jul 1, 1977 application/pdf http://hdl.handle.net/2060/19770021549 unknown Document ID: 19770021549 Accession ID: 77N28493 http://hdl.handle.net/2060/19770021549 No Copyright CASI MECHANICAL ENGINEERING NASA-TM-X-73680 E-9212 Intern. High Pressure Conf.; 25-29 Jul. 1977; Boulder, CO; United States 1977 ftnasantrs 2019-07-21T05:14:12Z This investigation of the problems associated with reliably containing gaseous helium pressurized to 1530 bars (22 500 psi) between 4.2 K and 150 K led to the following conclusions: (1) common seal designs used in existing elevated-temperature pressure vessels are unsuitable for high-pressure cryogenic operation, (2) extrusion seal-ring materials such as Teflon, tin, and lead are not good seal materials for cryogenic high-pressure operation; and (3) several high-pressure cryogenic seal systems suitable for large-pressure vessel applications were developed; two seals required prepressurization, and one seal functioned repeatedly without any prepressurization. These designs used indium seal rings, brass or 304 stainless-steel anvil rings, and two O-rings of silicone rubber or Kel-F. Other/Unknown Material common seal NASA Technical Reports Server (NTRS) Anvil ENVELOPE(-64.267,-64.267,-65.239,-65.239) Psi ENVELOPE(-63.000,-63.000,-64.300,-64.300)
institution Open Polar
collection NASA Technical Reports Server (NTRS)
op_collection_id ftnasantrs
language unknown
topic MECHANICAL ENGINEERING
spellingShingle MECHANICAL ENGINEERING
Buggele, A. E.
High-pressure cryogenic seals for pressure vessels
topic_facet MECHANICAL ENGINEERING
description This investigation of the problems associated with reliably containing gaseous helium pressurized to 1530 bars (22 500 psi) between 4.2 K and 150 K led to the following conclusions: (1) common seal designs used in existing elevated-temperature pressure vessels are unsuitable for high-pressure cryogenic operation, (2) extrusion seal-ring materials such as Teflon, tin, and lead are not good seal materials for cryogenic high-pressure operation; and (3) several high-pressure cryogenic seal systems suitable for large-pressure vessel applications were developed; two seals required prepressurization, and one seal functioned repeatedly without any prepressurization. These designs used indium seal rings, brass or 304 stainless-steel anvil rings, and two O-rings of silicone rubber or Kel-F.
format Other/Unknown Material
author Buggele, A. E.
author_facet Buggele, A. E.
author_sort Buggele, A. E.
title High-pressure cryogenic seals for pressure vessels
title_short High-pressure cryogenic seals for pressure vessels
title_full High-pressure cryogenic seals for pressure vessels
title_fullStr High-pressure cryogenic seals for pressure vessels
title_full_unstemmed High-pressure cryogenic seals for pressure vessels
title_sort high-pressure cryogenic seals for pressure vessels
publishDate 1977
url http://hdl.handle.net/2060/19770021549
op_coverage Unclassified, Unlimited, Publicly available
long_lat ENVELOPE(-64.267,-64.267,-65.239,-65.239)
ENVELOPE(-63.000,-63.000,-64.300,-64.300)
geographic Anvil
Psi
geographic_facet Anvil
Psi
genre common seal
genre_facet common seal
op_source CASI
op_relation Document ID: 19770021549
Accession ID: 77N28493
http://hdl.handle.net/2060/19770021549
op_rights No Copyright
_version_ 1766391608105762816

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