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The Effect of Disaster Prevention of Industrial Field and Failure Detection of Very Small Components for IT

IT용 초소형부품의 불량검출과 산업현장의 재해방지 효과

  • Park, Dea-Young (Life and Industrial convergence Research Institute) ;
  • Jeong, Yang Guen (SHILLA Information Technology Co., Ltd.) ;
  • Choi, Sun Mi (Dept. of Bio-industrial Mechanical Engineering in Busan National University) ;
  • Byun, Jea Young (Dept. of Bio-industrial Mechanical Engineering in Busan National University) ;
  • Choi, Won-Sik (Dept. of Bio-industrial Mechanical Engineering in Busan National University)
  • 박대영 (부산대학교 생명산업융합연구원) ;
  • 정양근 ((주)신라정보기술) ;
  • 최선미 (부산대학교 바이오산업기계공학과) ;
  • 변재영 (부산대학교 바이오산업기계공학과) ;
  • 최원식 (부산대학교 바이오산업기계공학과)
  • Received : 2015.01.05
  • Accepted : 2015.01.28
  • Published : 2015.02.28

Abstract

This paper presents a feasibility study of a fresh air load reduction system by using an underground double floor space. The system was introduced into a real building and was examined by the field measurement. Judging from the measurements during three years(1999~2001), the state of the system operation was very stable through this period and it was clear that the system contributes to reduction of energy consumption for air-conditioning. Futhermore, a simulation model used the simple heat diffusion equation was developed to simulate its thermal characteristics and performances. The simulations resulted in air temperature in good agreement with the measurements. Also, from the result of numerical analysis, it is clear that the amount of heat supply by using this system is more than the amount of energy loss to the room above it. Therefore, it is concluded that this systems is very useful and the proposed numerical model can be used for the prediction of system thermal performance.

Keywords

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