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열전냉동기용 열전요소의 최적화Optimization of Thermoelectric Elements for Thermoelectric Coolers
- Other Titles
- Optimization of Thermoelectric Elements for Thermoelectric Coolers
- Authors
- 정은수
- Issue Date
- 2012
- Publisher
- 대한설비공학회
- Keywords
- Thermoelectric cooler(열전냉동기); Thermoelectric element(열전요소); Peltier effect(펠티어 효과); COP(성능계수); Optimization(최적화)
- Citation
- 설비공학 논문집, v.24, no.5, pp.409 - 414
- Journal Title
- 설비공학 논문집
- Volume
- 24
- Number
- 5
- Start Page
- 409
- End Page
- 414
- ISSN
- 1229-6422
- Abstract
- A theoretical investigation to optimize thermoelectric elements for thermoelectric coolers was performed using a new one-dimensional analytic model. Mathematical expressions for the optimum current and the optimum length of a thermoelectric element, which maximize the coefficient of performance of thermoelectric coolers, were obtained. The optimum current is expressed in terms of the cooling load for a thermoelectric element, the hot and cold side temperatures and thermoelectric properties, but not the length of a thermoelectric element. The optimum current is proportional to the cooling load and decreases as the temperature difference between the hot and cold sides decreases. It is also shown that the optimum length of a thermoelectric element decreases as the cooling load increases.
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