Ultra-low-vibration pulse-tube cryocooler system: cooling capacity and vibration.
Author(s) : IKUSHIMA Y., LI R., TOMARU T., et al.
Type of article: Article
Summary
This report describes the development of low-vibration cooling systems with pulse-tube (PT) cryocoolers. Generally, PT cryocoolers have the advantage of lower vibrations in comparison to those of GM cryocoolers. However, cooling systems for the cryogenic laser interferometer observatory (CLIO), which is a gravitational wave detector, require an operational vibration that is sufficiently lower than that of a commercial PT cryocooler. The required specification for the vibration amplitude in cold stages is less than ±1 µm. Therefore, during the development of low-vibration cooling systems for the CLIO, the authors introduced advanced countermeasures for commercial PT cryocoolers. The cooling performance and the vibration amplitude were evaluated. The results revealed that 4 and 80 K PT cooling systems with a vibration amplitude of less than ±1 µm and cooling performance of 4.5 and 70 K at heat loads of 0.5 and 50 W, respectively, were developed successfully. [Reprinted with permission from Elsevier. Copyright, 2008].
Details
- Original title: Ultra-low-vibration pulse-tube cryocooler system: cooling capacity and vibration.
- Record ID : 2008-2390
- Languages: English
- Source: Cryogenics - vol. 48 - n. 9-10
- Publication date: 2008/09
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Indexing
- Themes: Small-scale cryogenic applications, cryocoolers
- Keywords: Pulse tube; Low frequency; Performance; Cryocooler; Cryogenics
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