| 摘要 |
A method of conserving the refrigeration value of a dewar by increasing the thermal conductivity of a selected portion of an otherwise low thermal conductivity conduit and restricting the effective cross sectional area along at least as much as the conduit as the higher conductivity portion so as to increase the velocity of the boil-off gases and permit more of the refrigeration value of the boil-off gas to pass through the conduit's high conductivity portion from which the refrigeration is directed into the dewar's vacuum space.
|
