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Chin. Phys. B, 2011, Vol. 20(2): 020503    DOI: 10.1088/1674-1056/20/2/020503
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Performance characteristics and optimal analysis of a nonlinear diode refrigerator

Wang Xiu-Mei(王秀梅)a), He Ji-Zhou(何济洲)a)† , and Liang Hong-Ni(梁红妮)b) 
a Department of Physics, Nanchang University, Nanchang 330031, China; b CALIS Information Service Center of Jiangxi Province, Nanchang University, Nanchang 330031, China
Abstract  This paper establishes a model of a nonlinear diode refrigerator consisting of two diodes switched in the opposite directions and located in two heat reservoirs with different temperatures. Based on the theory of thermal fluctuations, the expressions of the heat flux absorbed from the heat reservoirs are derived. After the heat leak between the two reservoirs is considered, the cooling rate and the coefficient of performance are obtained analytically. The influence of the heat leak and the temperature ratio on the performance characteristics of the refrigerator is analysed in detail.
Keywords:  nonlinear diode refrigerator      thermal fluctuations      heat leak      performance characteristics  
Received:  07 July 2010      Revised:  19 August 2010      Accepted manuscript online: 
PACS:  05.40.-a (Fluctuation phenomena, random processes, noise, and Brownian motion)  
  05.70.Ln (Nonequilibrium and irreversible thermodynamics)  
  07.20.-n (Thermal instruments and apparatus)  
Fund: Project supported by the National Natural Science Foundation of China (Grant Nos. 10765004 and 11065008).

Cite this article: 

Wang Xiu-Mei(王秀梅), He Ji-Zhou(何济洲), and Liang Hong-Ni(梁红妮) Performance characteristics and optimal analysis of a nonlinear diode refrigerator 2011 Chin. Phys. B 20 020503

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