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조동현(Dong-Hyun Cho),임태우(Tae-Woo Lim),이원순(Won-Sun Lee) 대한기계학회 2006 대한기계학회 춘추학술대회 Vol.2006 No.11
To evaluate the performance of heat exchanger with rotating porous plates, the experimental investigation was carried out under various conditions. With an equal interval of 18 ㎜ inside the heat exchanger, the rotating porous plates are mounted. The hot and cold airs enter at opposite ends of heat exchanger and exchange heat each other. In order to measure the temperature distribution of the hot air side inside heat exchanger, the thermocouples are inserted between the plates . The first location of thermocouple is 10 ㎜ downstream from the inlet of heat exchanger, and succeeding ten locations are aligned at an equal interval of 18 ㎜. As a result of the measurement, the temperature distribution inside heat exchanger was constant as the hot air temperature of inlet is low. It was found that the heat transfer rate does not depend on the variation of RPM at the lower temperature of inlet. The heat transfer rate at the higher temperature of inlet increased a little with the increase in RPM.