한국압력기기공학회 논문집 (Transactions of the Korean Society of Pressure Vessels and Piping)

한국압력기기공학회 (Korean Society of Pressure Vessels and Piping)
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3D FEM 모델링을 이용한 원전 매설배관의 방식성능 평가 및 결함탐지능 분석

Evaluation of Corrosion Protection Efficiency and Analysis of Damage Detectability in Buried Pipes of a Nuclear Power Plant with 3D FEM

  • 장현영 (한전기술(주) 미래전력기술연구소) ;
  • 박흥배 (한전기술(주) 미래전력기술연구소) ;
  • 김기태 (안동대학교, 신소재공학부 청정에너지소재기술 연구센터) ;
  • 김영식 (안동대학교, 신소재공학부 청정에너지소재기술 연구센터) ;
  • 장윤영 (앤스코(주) 기술개발연구소)
  • 투고 : 2015.11.06
  • 심사 : 2015.12.02
  • 발행 : 2015.12.30
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초록

3D FEM modeling based on 3D CAD data has been performed to evaluate the efficiency of CP system in a real operating nuclear power plant. The results of it successfully produced sophisticated profiles of electrolytic potential and current distributions in the soil of an interested area. This technology is expected to be a breakthrough for detection technology of damages on buried pipes when it comes into combining with a brand of area potential earth current (APEC) and ground penetrated radar (GPR) technologies. 2D current distribution and 2D current vectors on the earth surface from the APEC survey will be used as boundary conditions with exact 3D geometry data resulting in visualization of locations and extents of corrosion damages on the buried pipes in nuclear power plants.

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참고문헌

  1. EPRI, 2010, Recommendations for an Effective Program to Control the Degradation of Buried and Underground Piping and Tanks, 1016456(Rev.1).
  2. Roger Royer, 2012, Integrated Inspection and Analytical Technologies for Buried Pipe Assessments, JRC-NDE 2012-Buried Components, pp.686-694.
  3. M. Tabatabaian 2014, COMSOLTM for Engineers, Mercury Learning and Information.
  4. $COMSOL^{TM}$, 2014, Guidebook of COMSOLTM Multiphysics, (Chemistry-Electrochemstry), ALTSOFT
  5. SIA, Inc., 2014, Technical Proposal: Area Potential Earth Current(APEC) Survey to Evaluate Buried Pipe Coating and Cathodic Protection Effectiveness
  6. DIAS, Diagnosis In All Structures and Soil, http://www.dias-radar.com/