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High-pressure cryogenic seals for pressure vessels
| Content Provider | NASA Technical Reports Server (NTRS) |
|---|---|
| Author | Buggele, A. E. |
| Copyright Year | 1977 |
| 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. |
| File Size | 763771 |
| Page Count | 16 |
| File Format | |
| Alternate Webpage(s) | http://archive.org/details/NASA_NTRS_Archive_19770021549 |
| Archival Resource Key | ark:/13960/t0004xp0f |
| Language | English |
| Publisher Date | 1977-07-01 |
| Access Restriction | Open |
| Subject Keyword | Mechanical Engineering Seals Stoppers Pressure Vessels Cryogenics Design Analysis Indium Silicone Rubber High Pressure Ntrs Nasa Technical Reports Server (ntrs) Nasa Technical Reports Server Aerodynamics Aircraft Aerospace Engineering Aerospace Aeronautic Space Science |
| Content Type | Text |
| Resource Type | Article |
