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A refrigerator for dissolving3He-4He

โœ Scribed by R. G. Amamchyan; S. T. Boldarev; P. P. Kalitin; Yu. A. Miroslavskaya; E. V. Onosovskii; V. G. Pron'ko


Book ID
105106100
Publisher
Springer
Year
1980
Tongue
English
Weight
335 KB
Volume
16
Category
Article
ISSN
0009-2355

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๐Ÿ“œ SIMILAR VOLUMES


Improved 3He/4He refrigerator
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The characteristics and performance of an improved 3He/4He double stage refrigerator are presented. It is based on the same principle as the previous double stage refrigerator described in reference 1. A new geometry was used to overcome both the extra thermal input due to gas convection in the cond

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The sensitivity increase in bolometers obtained by operating temperatures of 1 K (helium-4) and 0.3 K (helium-3), with respect to standard bolometers cooled at pumped 4He temperature, represents in infrared and submillimetric astronomy a remarkable step forward in applications both on large ground t

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A combined 3He-4He dilution refrigerator
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A refrigerator capable of operating both in evaporation and dilution modes is described. The refrigerator provides preliminary cooling of investigated samples down to a starting temperature of about 0.3 K and permits the location of samples directly in the mixing chamber as well as their replacement

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A 3He/4He dilution refrigerator is described where the instreaming 3He is precooled and liquefied by a counterflow heat exchanger which makes use of the enthalpy of the cold 3He gas pumped out of the still, and by subsequent Joule-Thomson expansion. This condenser replaces the usual 4He condenser.