Performance optimization analysis of a thermoelectric refrigerator with two resonances

doi:10.1088/1674-1056/20/3/030509

中国物理B ›› 2011, Vol. 20 ›› Issue (3): 30509-030509.doi: 10.1088/1674-1056/20/3/030509

Performance optimization analysis of a thermoelectric refrigerator with two resonances

罗小光, 何济洲

Department of Physics, Nanchang University, Nanchang 330031, China

收稿日期:2010-07-05 修回日期:2010-11-23 出版日期:2011-03-15 发布日期:2011-03-15
基金资助:
Project supported by the National Natural Science Foundation of China (Grant Nos. 10765004 and 11065008).

Performance optimization analysis of a thermoelectric refrigerator with two resonances

Luo Xiao-Guang(罗小光) and He Ji-Zhou(何济洲)^†

Department of Physics, Nanchang University, Nanchang 330031, China

Received:2010-07-05 Revised:2010-11-23 Online:2011-03-15 Published:2011-03-15
Supported by:
Project supported by the National Natural Science Foundation of China (Grant Nos. 10765004 and 11065008).

摘要/Abstract

摘要： Based on electron transport theory, the performance of k_x and k_r filtered thermoelectric refrigerators with two resonances are studied in this paper. The performance characteristic curves between the cooling rate and the coefficient of performance are plotted by numerical calculation. It is shown that the maximum cooling rate of the thermoelectric refrigerator with two resonances increases but the maximum coefficient of performance decreases compared with those with one resonance. No matter which resonance mechanism is used (k_x or k_r filtered), the cooling rate and the performance coefficient of the k_r filtered refrigerator are much better than those of the k_x filtered one.

Abstract: Based on electron transport theory, the performance of k_x and k_r filtered thermoelectric refrigerators with two resonances are studied in this paper. The performance characteristic curves between the cooling rate and the coefficient of performance are plotted by numerical calculation. It is shown that the maximum cooling rate of the thermoelectric refrigerator with two resonances increases but the maximum coefficient of performance decreases compared with those with one resonance. No matter which resonance mechanism is used (k_x or k_r filtered), the cooling rate and the performance coefficient of the k_r filtered refrigerator are much better than those of the k_x filtered one.

Key words: thermoelectric refrigerator, two resonances, cooling rate, coefficient of performance

中图分类号: (Nonequilibrium and irreversible thermodynamics)

05.70.Ln

73.23.Ad (Ballistic transport) 05.30.Fk (Fermion systems and electron gas)

罗小光, 何济洲. Performance optimization analysis of a thermoelectric refrigerator with two resonances[J]. 中国物理B, 2011, 20(3): 30509-030509.

Luo Xiao-Guang(罗小光) and He Ji-Zhou(何济洲). Performance optimization analysis of a thermoelectric refrigerator with two resonances[J]. Chin. Phys. B, 2011, 20(3): 30509-030509.

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Performance optimization analysis of a thermoelectric refrigerator with two resonances

Performance optimization analysis of a thermoelectric refrigerator with two resonances

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