Journal of Korean Society of Water and Wastewater (상하수도학회지)

The Korean Society of Water and Wastewater (대한상하수도학회)
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Life cycle determination of water distribution system using life cycle energy analysis

생애주기 에너지 분석을 이용한 상수관망의 생애주기 결정

  • Lee, Seung-Yub (Research Center for Disaster Prevention Science and Technology, Korea University) ;
  • Yoo, Do-Guen (Research Center for Disaster Prevention Science and Technology, Korea University) ;
  • Kim, Joong-Hoon (School of Civil. Environmental & Architecture Engineering, College of Engineering, Korea University)
  • 이승엽 (고려대학교 방재과학기술연구소) ;
  • 유도근 (고려대학교 방재과학기술연구소) ;
  • 김중훈 (고려대학교 건축사회환경공학부)
  • Received : 2014.10.01
  • Accepted : 2015.02.12
  • Published : 2015.02.15
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Abstract

When designing Water Distribution System (WDS), determination of life cycle for WDS needs to be preceded. And designer should conduct comprehensive design including maintenance and management strategies based on the determined life cycle. However, there are only a few studies carried out until now, and criteria to determine life cycle of WDS are insufficient. Therefore, methodology to determine life cycle of WDS is introduced in this study by using Life Cycle Energy Analysis (LCEA). LCEA adapts energy as an environmental impact criterion and calculates all required energy through the whole life cycle. The model is build up based on the LCEA methodology and model itself can simulate the aging and breakage of pipes through the target life cycle. In addition the hydraulic analysis program EPANET2.0 is linked to developed model to analyze hydraulic factors. Developed model is applied to two WDSs which are A WDS and B WDS. Model runs for 1yr to maximum 100yr target life cycle for both WDSs to check the energy tendency as well as to determine optimal life cycle. Results show that 40yr and 54yr as optimal life cycle for each WDS, and tendency shows the effective energy is keep changing according to the target life cycle. Introduced methodology is expected to use as an alternative option for determining life cycle of WDS.

Keywords

References

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