Title |
Life-Cycle Analysis of the River Water Unutilized Energy System |
Authors |
박일환 ; 윤형기 ; 장기창 ; 박준택 ; 박성룡 |
Keywords |
Unutilized energy system ; 미활용에너지 이용시스템 ; Temperature difference energy ; 온도차에너지 ; River water ; 하천수 ; LCC analysis ; 생애주기 비용분석 |
Abstract |
This paper presents the work on evaluating the LCC(Life-Cycle Cost) of a heat pump system as unutilized energy system. The river water as an unutilized energy source was used for the heat source of heat pump system. LCC analysis is a concrete method for evaluating the economical efficiency of energy facilities of building. The present case study shows an example of adequate use of the LCC analysis on a heat pump system and conventional gas boiler and refrigerator for building heat supply. A life cycle of 20 years was used to calculated net present value of energy cost. Over a 20 year life cycle, the energy cost could be reduced by 612 million won if a heat pump system were used instead of a conventional boiler and an absorption refrigerator. |