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RISS 인기검색어
- 검색키워드
- 저자 : 나경주 ( Kyoung Ju Na ) (검색결과 1 건)
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나경주 ( Kyoung Ju Na ),윤경섭 ( Kyeng Sup Yoon ),임만택 ( Mann Taek Lim ) 조선대학교 공학기술연구원 2011 공학기술논문지 Vol.4 No.4
The building to be examined has load capacity of cooling (259 kw), heating (316 kw) and geothermal capacity of cooling (333.8 kw) and heating (335.4 kw). In the process of design, first internal load and ventilation load of building were calculated with data such as insulation and finishing materials. Second, thermal conduction test was conducted for the installation of PE pipe for underground heat exchanger and water circulation for 2,882 min. Then heat exchanger quantity, drilled hole quantity and geothermal heat pump capacity were calculated with thermal conduction rate (2.83 W/mK). Third, geothermal circulating pump, hot and cold water circulating pump, expansion tank, buffer tank and apparatus were calculated with the estimated load. All equipments were arranged in machinery room and piping connected with each equipment. As a result of employing geothermal system to the building and comparing the system with existing urban gas energy consumption, it was found that the energy consumption and energy-saving rates of each season was varied. And this study confirmed the effect of energy saving effects of 7.1~37% compared to existing urban gas heating and cooling system. In addition, cooling tower to be installed on the front of the building resulted ill block noise and prevent civil complaint. Moreover, the effects of promoting the use of new and renewable energy to residents were also great.
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