A Study on Enhancement of Thermoelectric Cooling System Performance by Piezoelectric Actuator

압전 액츄에이터를 이용한 열전냉각 시스템 성능 향상에 관한 연구

  • Yang, Ho-Dong (Department of Naval Architecture & Mechanical Engineering, Jeonnam Provincial College) ;
  • Yoon, Hee-Sung (Department of Advanced Parts and Materials Engineering, Graduate School, Chosun University) ;
  • Oh, Yool-Kwon (Department of Mechatronics Engineering, Chosun University)
  • 양호동 (전남도립대학 조선기계과) ;
  • 윤희성 (조선대학교 대학원 첨단부품소재공학과) ;
  • 오율권 (조선대학교 메카트로닉스공학과)
  • Published : 2009.12.31

Abstract

The thermoelectric cooling system consisted of the thermoelectric module, a heat sink and a cooling fan, respectively. Also, the piezoelectric actuator was applied to improve the performance of thermoelectric cooling system and investigate the heat transfer phenomenon. The temperature distribution of test section was measured to investigate cooling characteristics of thermoelectric cooling system. The flow phenomenon of test section was visualized using visualization device. When the piezoelectric actuator was applied to the heat transfer process of thermoelectric cooling system, acoustic streaming was occurred in test section. The acoustic streaming was occurred forced convection flow, and was regularly formed the temperature distribution in test section. The results clearly show that the acoustic streaming is one of the prime effects to enhance the convection heat transfer and can enhance the performance of thermoelectric cooling system.

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