A mechanical support system is described for a space-borne 3He refrigerator that relies on Kevlar 29 braided cords to achieve thermal isolation at temperatures ranging from 0.3 to 40 K. Measurements of the Young's modulus, tensile strength, creep and thermal conductivity of Kevlar cords at room and
โฆ LIBER โฆ
Experimental analysis of double-inlet principle in pulse tube refrigerators
โ Scribed by J.H. Cai; Y. Zhou; J.J. Wang; W.X. Zhu
- Publisher
- Elsevier Science
- Year
- 1993
- Tongue
- English
- Weight
- 246 KB
- Volume
- 33
- Category
- Article
- ISSN
- 0011-2275
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โฆ Synopsis
This paper describes experimental results on the double-inlet pulse tube refrigerator. The effects of varying the amplitudes and phase difference of the pressure wave and mass flow are presented and discussed.
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This paper presents the test results of the internal process of a double inlet pulse tube refrigerator, the main objective is to reveal the effects of some important parameters , such as by-pass valve and orifice opening, operating frequency and mean pressure, on the amplitude shift and phase shift