Journal of Advanced Marine Engineering and Technology

The Korean Society of Marine Engineering (한국마린엔지니어링학회)
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Heat Transfer Analysis of a Thermal Storage System using the Ice Capsule of Bar and Ring Module

봉과 링 조합형 아이스캡슐을 적용한 축열시스템의 열전달 해석

  • 김명수 (서울산업대학교 에너지환경대학원) ;
  • 최형권 (서울산업대학교 기계공학과) ;
  • 변성광 (동양공업전문대학 기계자동화공학부)
  • Published : 2008.03.31
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Abstract

The shape and array of ice capsules are very important factors in ice thermal storage system because the heat transfer rate of the system strongly depends upon them. In this paper, a new type of ice capsule composed of bar and ring module is proposed to increase the efficiency of the ice thermal storage system. To investigate the heat transfer rate of the proposed ice capsule, numerical analysis of the incompressible Navier-Stokes equations is performed to compare the proposed bar and ring system with the conventional ice capsules. It is shown that the ice capsule composed of bar and ring has a higher heat transfer rate and a low outlet temperature than the conventional ice capsules for various packing ratios and entrance velocities. Furthermore, it is found that the optimal entrance velocity exists between 0.005 m/s and 0.007 m/s from the present numerical analysis.

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References

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