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CLC number: TB657.3

On-line Access: 2012-05-04

Received: 2011-04-18

Revision Accepted: 2011-12-31

Crosschecked: 2012-04-19

Cited: 1

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Journal of Zhejiang University SCIENCE A 2012 Vol.13 No.5 P.375-381

http://doi.org/10.1631/jzus.A1100107


Experimental study on a −60 °C cascade refrigerator with dual running mode


Author(s):  Xiu-fang Liu, Jiong-hui Liu, Hong-li Zhao, Qiao-yu Zhang, Juan-li Ma

Affiliation(s):  Institute of Refrigeration and Cryogenic Engineering, Xi’an Jiaotong University, Xi’an 710049, China; more

Corresponding email(s):   liuxiufang.19@stu.xjtu.edu.cn, hlzhao@mail.xjtu.edu.cn

Key Words:  Cascade refrigeration, Dual-mode, Regenerator, Optimization, Effectiveness


Xiu-fang Liu, Jiong-hui Liu, Hong-li Zhao, Qiao-yu Zhang, Juan-li Ma. Experimental study on a −60 °C cascade refrigerator with dual running mode[J]. Journal of Zhejiang University Science A, 2012, 13(5): 375-381.

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author="Xiu-fang Liu, Jiong-hui Liu, Hong-li Zhao, Qiao-yu Zhang, Juan-li Ma",
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publisher="Zhejiang University Press & Springer",
doi="10.1631/jzus.A1100107"
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%T Experimental study on a −60 °C cascade refrigerator with dual running mode
%A Xiu-fang Liu
%A Jiong-hui Liu
%A Hong-li Zhao
%A Qiao-yu Zhang
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%J Journal of Zhejiang University SCIENCE A
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%D 2012
%I Zhejiang University Press & Springer
%DOI 10.1631/jzus.A1100107

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T1 - Experimental study on a −60 °C cascade refrigerator with dual running mode
A1 - Xiu-fang Liu
A1 - Jiong-hui Liu
A1 - Hong-li Zhao
A1 - Qiao-yu Zhang
A1 - Juan-li Ma
J0 - Journal of Zhejiang University Science A
VL - 13
IS - 5
SP - 375
EP - 381
%@ 1673-565X
Y1 - 2012
PB - Zhejiang University Press & Springer
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DOI - 10.1631/jzus.A1100107


Abstract: 
In this study, an experimental setup is designed and built to investigate the feasibility and performance of the proposed dual-mode cascade refrigeration cycle. The apparatus can be operated in two modes: dual-stage mode and single-stage mode such that the low temperature cycle (LTC) can be operated together with the high temperature cycle (HTC) or can run independently. Experimental results validate the feasibility of independent operation of LTC. The performance of the independent operation of LTC mode is theoretically investigated using experimental data as bases. Detailed suggestions are made for the improvement of the coefficient of performance (COP) of the experimental system. Theoretically, high COP of the cycle provides excellent application for the presented refrigeration cycle.

Darkslateblue:Affiliate; Royal Blue:Author; Turquoise:Article

Reference

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[2]Belozerov, G., Mednikova, N., Pytchenko, V., Serova, E., 2007. Cascade Type Refrigeration Systems Working on CO2/NH3 for Technological Process of Products Freezing and Storage. IIR Ammonia Refrigeration Conference, Ohrid, Republic of Macedonia.

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[4]Bhattacharyya, S., Bose, S., Sarkar, J., 2007. Exergy maximization of cascade refrigeration cycles and its numerical verification for a transcritical CO2-C3H8 system. International Journal of Refrigeration, 30(4):624-632.

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[8]Kline, S.J., Mcclintock, F.A., 1953. Describing uncertainties in single sample experiments. Mechanical Engineering, 75(1):3-7.

[9]Sarkar, J., Bhattacharyya, S., Ramgopal, M., 2004. Optimization of transcritical CO2 heat pump cycle for simultaneous cooling and heating application. International Journal of Refrigeration, 27(8):830-838.

[10]Wang, B.M., Wu, H.G., Li, J.F., Xing, Z.W., 2009. Experimental investigation on the performance of NH3/CO2 cascade refrigeration system with twin-screw compressor. International Journal of Refrigeration, 32(6):1358-1365.

[11]Wang, Q., Cui, K., Sun, T.F., Chen, G.M., 2011. Performance of a single-stage auto-cascade refrigerator operating with a rectifying column at the temperature level of −60 °C. Journal of Zhejiang University-SCIENCE A (Applied Physics & Engineering), 12(2):139-145.

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