Performance optimization analysis of a thermoelectric refrigerator with two resonances

被引：12
|
作者：
Luo Xiao-Guang [1 ]
He Ji-Zhou [1 ]
机构：
[1] Nanchang Univ, Dept Phys, Nanchang 330031, Peoples R China
来源：
CHINESE PHYSICS B | 2011年 / 20卷 / 03期
基金：
中国国家自然科学基金;
关键词：
thermoelectric refrigerator; two resonances; cooling rate; coefficient of performance; HETEROSTRUCTURE; DEVICES;
D O I：
10.1088/1674-1056/20/3/030509
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
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(r) filtered one.
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页数：5
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