Please use this identifier to cite or link to this item: https://doi.org/10.1016/S0017-9310(01)00165-X
Title: Experimental and numerical study on a miniature Joule-Thomson cooler for steady-state characteristics
Authors: Ng, K.C. 
Xue, H.
Wang, J.B.
Keywords: Experimental and numerical study
JT cooler
Longitudinal heat conduction
Steady-state characteristics
Temperature-dependent properties
Issue Date: 4-Dec-2001
Source: Ng, K.C., Xue, H., Wang, J.B. (2001-12-04). Experimental and numerical study on a miniature Joule-Thomson cooler for steady-state characteristics. International Journal of Heat and Mass Transfer 45 (3) : 609-618. ScholarBank@NUS Repository. https://doi.org/10.1016/S0017-9310(01)00165-X
Abstract: A miniature Joule-Thomson (JT) cooler with a recuperative heat exchanger is studied, both theoretically and experimentally, for its steady-state behaviors down to 96 K. Two unique aspects of analysis are presented in this paper. Firstly, the simulation employs a distributed approach (as opposed to a black-box) and it is performed with dynamic updating of the thermo-physical properties of the working fluid when the governing differential equations are solved simultaneously. Secondly, the conduction heat leak effects in the longitudinal direction of the exchanger are included along with those from the ambient. The properties of Argon, expressed as a function of the local values of P and T, have been found to compare well with data obtained from tables of IUPAC. Our experiments on the JT cooler indicate good agreement with the predictions to within a relative error of ±0.3% across a large span of Argon pressures. © 2002 Elsevier Science Ltd. All rights reserved.
Source Title: International Journal of Heat and Mass Transfer
URI: http://scholarbank.nus.edu.sg/handle/10635/60235
ISSN: 00179310
DOI: 10.1016/S0017-9310(01)00165-X
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