Study on Evaluation of Local Cooling Performance using Piezoelectric and Thermoelectric Modules

압전소자와 열전소자를 이용한 국소부 냉각성능 평가에 관한 연구

  • Oh, Hoo-suk (Dept. of Automobile, Chosun College of Science & Technology) ;
  • Choi, Byung-Hui (Dept. of Automobile, Chosun College of Science & Technology)
  • 오후석 (조선이공대학교 자동차과) ;
  • 최병희 (조선이공대학교 자동차과)
  • Received : 2016.10.31
  • Accepted : 2017.02.03
  • Published : 2017.02.28


This paper investigated experimentally the performance of cooling systems using thermoelectric and piezoelectric modules for local heating and temperature control, such as a handheld electronic devices. The temperature distribution of the cooling region using thermoelectric modules was measured when the piezoelectric module was and was not with a frequency of 80Hz and 110Hz. The coefficients of performance were also calculated by the temperature results, and the thermo-flow phenomena in the cold region was visualized under the same conditions. The results of the temperature distribution measurements and the coefficient of performance showed that the cooling performance of the cooling system using thermoelectric modules can be improved by operating the piezoelectric module. In addition, when the piezoelectric module was operated based on the result of visualization in the cold region, which was formed by thermoelectric modules, the performance thermoelectric cooling was improved by the thermo-flow formed in the entire cold region as the forced convection of vibration was generated on the local cold region by the piezoelectric module.


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