A modified two-stage pulse tube cryocooler utilizing double-inlet and multi-mesh regenerator.
Author(s) : ARABLU M., JAFARIAN A.
Type of article: Article
Summary
In this paper a thermally coupled Stirling-type two-stage pulse tube cryocoolers (TSPTC) is studied using a one-dimensional (1-D) CFD code. After validating the results of the simulations, effects of synchronous utilization of multi-mesh regenerator and double-inlet on the performance of the TSPTC are investigated. Results of simulations show that non-oscillating friction factors do not possess sufficient accuracy for the calculation of oscillating friction losses in non-porous media. Whereas, using the oscillating friction factor of non-porous media leads to sufficient accurate results. According to the results, using multi-mesh regenerator and double-inlet increases the COP and decreases the minimum attainable temperature of the system. It is observed that a minimum temperature of 18.2 K is attainable using optimum multi-mesh regenerator and double-inlet; whereas, for a simple TSPTC with a uniform mesh regenerator, a minimum temperature of 26.4 K is concluded
Details
- Original title: A modified two-stage pulse tube cryocooler utilizing double-inlet and multi-mesh regenerator.
- Record ID : 30009575
- Languages: English
- Source: Cryogenics - vol. 58
- Publication date: 2013/12
- DOI: http://dx.doi.org/10.1016/j.cryogenics.2013.09.002
Links
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Indexing
- Themes: Small-scale cryogenic applications, cryocoolers
- Keywords: Pulse tube; CFD; Two-stage system; Stirling; Simulation; Performance; Cryocooler
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