Korean Journal of Air-Conditioning and Refrigeration Engineering (설비공학논문집)

The Society of Air-Conditioning and Refrigerating Engineers of Korea (대한설비공학회)
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Study on the Cooling Performance of Single and Cascade Refrigeration Systems Using Thermoelectric Modules

열전소자를 이용한 싱글 및 캐스케이드 냉동시스템의 냉각 성능에 관한 연구

  • Lim, Changhak (Graduate School of Mechanical Engineering, Korea University) ;
  • Kim, Dongwoo (Graduate School of Mechanical Engineering, Korea University) ;
  • Kim, Yongchan (Department of Mechanical Engineering, Korea University) ;
  • Seo, Kookjeong (Samsung Electronics Co, Ltd.)
  • 임창학 (고려대학교 기계공학과 대학원) ;
  • 김동우 (고려대학교 기계공학과 대학원) ;
  • 김용찬 (고려대학교 기계공학과) ;
  • 서국정 (삼성전자 생활가전사업부)
  • Received : 2013.08.13
  • Published : 2013.12.10
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Abstract

The purpose of this study is to improve the cooling performance of single and cascade refrigeration systems using thermoelectric modules. The system consists of a heat sink, fan, and thermoelectric module. The operating parameters considered in this study include power distribution between the first- and second-stage thermoelectric modules, air flow, and variable condensing unit. The cooling capacity increased with decreases in the temperature difference between hot and cold surfaces, but decreased with increases in the condensing temperature. The COP decreased with increasing electric power of the thermoelectric module because of the increased Joule heat. The cooling performance improvement using the thermoelectric module is represented by the freezer temperature.

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References

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