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Feasibility study on waste heat utilization system in subway  

Lee, Chul-Goo (Department of Architectural Engineering, Semyung University)
Kim, Jong-Dae (Kyeryong Construction Industrial)
Im, Tae-Soon (Kyeryong Construction Industrial)
Pang, Seun-Gki (Department of Architecture, Kungmin University)
Ham, Heung-Don (Department of Architecture and Interior, Daewon University)
Publication Information
Journal of the Korean Society for Geothermal and Hydrothermal Energy / v.7, no.1, 2011 , pp. 59-64 More about this Journal
Abstract
Feasibility study on energy saving system by utilizing exhausted heat from subway, which is one of the unused energy, was carried out. General heat source system using absorption chiller-heater was used for comparing to the energy saving system, and payback period method using initial cost and running cost of two systems, was used to perform economic estimation. Payback period was about ten years, and this period might be shortened if nation's economic support enact.
Keywords
Exhausted heat from subway; Renewable energy; Feasibility study; Payback period; Initial cost; Running cost;
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