태양열 온수 시스템에서 기포펌프와 전기펌프의 성능평가 및 비교분석

This study performance evaluation and comparative analysis on the bubble pump and electric pump was conducted. The experimental apparatus were bubble pump, electric pump, solar collector and heat exchanger. In the electric pump set up to the solar heating system yields 5270 ㎉ of heat in the storage tank whereas bubble pump setting yields only 2080 ㎉. Bubble pump yields 39.50% energy that of electric pump from solar heating technique. The flow rate for electric pump set up experiment varies from 0.5 to 3.5 l/min with mean 1.5 l/min. But, in case of bubble pump it is recorded as 0.5 l/min on average with 0 to 0.30 l/min variation. The storage tank temperature raises up to 15℃ and 5℃ for electric and bubble pump, respectively.