A single-stage GM-type pulse tube cryocooler operating at 10.6 K.
Author(s) : GAN Z. H., DONG W. Q., QIU L. M., et al.
Type of article: Article
Summary
In order to explore the lowest attainable refrigeration temperature and improve cooling performance at temperatures around 20 K for a single-stage G-M type pulse tube cryocooler (PTC), numerical and experimental studies were performed. The National Institute of Standards and Technology (NIST) numerical model known as REGEN was applied to the simulation of a G-M type PTC for the first time. Based on the calculation results, a single-stage G-M type PTC was designed, fabricated and tested. The performance improvement of the regenerator in the temperature range of 10-80 K was investigated. The calculations predicted a lowest temperature of 10 K. A lowest temperature of 10.6 K was achieved experimentally with an input power of 7.5 kW, which is the lowest temperature ever achieved by a single-stage PTC. Furthermore, the cryocooler can provide a cooling power of 20W at 20.6 K and 39.5 W at 30 K, respectively. [Reprinted with permission from Elsevier. Copyright, 2008].
Details
- Original title: A single-stage GM-type pulse tube cryocooler operating at 10.6 K.
- Record ID : 2009-1867
- Languages: English
- Source: Cryogenics - vol. 49 - n. 5
- Publication date: 2009/05
- DOI: http://dx.doi.org/10.1016/j.cryogenics.2009.01.004
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