Visual observations of the counterflow of the two liquid phases in the 4He-cycling 3He4He dilution refrigerator
✍ Scribed by R. de Bruyn Ouboter; B. van den Brandt; J.W. Tierolf
- Publisher
- Elsevier Science
- Year
- 1981
- Weight
- 150 KB
- Volume
- 107
- Category
- Article
- ISSN
- 0378-4363
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📜 SIMILAR VOLUMES
QT n -(4) L At the low temperature end, T = 4.2 K and (5) and the parameters p, A, X, Cp are constant and over a short length near the end the temperature variation can be taken as linear, which means that d2T -0 dx 2 From (3), (4), and (5) LI2pX 1 QT-Cp QL By differentiating dQT LI2 pX 1 dQL Cp Q~
A discussion is presented on the problem of choosing the lengths and the diameters of the various tubes in a He 3-He a dilution refrigeration system, which are directly connected to the mixing chamber(s). The treatment is based on recently obtained explicit solutions of the differential equations de