Cargando…
Solutions for Liquid Nitrogen Pre-Cooling in Helium Refrigeration Cycles
Pre-cooling of helium by means of liquid nitrogen is the oldest and one of the most common process features used in helium liquefiers and refrigerators. Its two principle tasks are to allow or increase the rate of pure liquefaction, and to permit the initial cool-down of large masses to about 80 K....
| Autor principal: | |
|---|---|
| Lenguaje: | eng |
| Publicado: |
2000
|
| Materias: | |
| Acceso en línea: | http://cds.cern.ch/record/449271 |