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컴퓨터 시뮬레이션을 통한 지역난방용 한강 도강관의 음극방식 최적화에 대한 연구
홍민성(Min Sung Hong),김우철(Kim Woo Cheol),이재승(Jae Seung Lee),전영신(Young Shin Jeon),정준철(Joon Cheol Jeong),김정구(Jung Gu Kim) 대한설비공학회 2020 대한설비공학회 학술발표대회논문집 Vol.2020 No.6
In this case study, we optimized cathodic protection (CP) design for river-crossing district heating (DH) pipeline under the Han River. This pipeline is not electrically insulated with other adjacent pipelines. Therefore, additional consideration for CP current loss to connected pipelines at both sides (North and South side) is needed. Furthermore, the anodes can be only installed at both side of pipeline. For these reasons, computational analysis of CP design was performed considering environmental factors. Firstly, we discuss about the minimum current for CP of river-crossing DH pipeline which was found to be 100 A, although theoretical calculation result was 74 A. Obviously, computational analysis should be conducted to obtain more stable and reliable CP design in the real field.