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- 저자 : 김회률(Hoe-Youl KIM) (검색결과 1 건)
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김동규(Dong-Gyu KIM),김회률(Hoe-Youl KIM),정용현(Yong-Hyun CHUNG),김종열(Jong-Ryul KIM),금종수(Jong-Soo KUM) 한국수산해양교육학회 2010 水産海洋敎育硏究 Vol.22 No.4
Busan subway transportation system has been established a key role in the society last 20 years. However many people are suffering from hot and humid environment at subway station and platform due to deteriorated ventilation system as well as insufficient air conditioning system in existing stations and platforms. As a result, these systems require revitalization. There is about 5400tons of low temperature underground water is generated from subway stations every day. By using this method and air washer we are trying to lower the temperature. Air washer is commonly used for removing humidity but in this experiment it will be used as air precooling. This research offers result of experiment using air washer system to lower the temperature in large spaces like subway station. The experiment result has shown when L/G was the same, at condition which water spray temperature at 18℃ resulting inlet and outlet temperature difference larger. Also, in the same water spray temperature conditions, larger L/G condition showed a greater temperature difference. LCC evaluation of both system were shown that air washer system of using underground water will save 53% of the initial cost than refrigeration system, and save 75% of operating cost.
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