Journal of Advanced Marine Engineering and Technology

The Korean Society of Marine Engineering (한국마린엔지니어링학회)
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The Effect of Reciprocating Motion on Heat Transfer in the Roughened Rectangular Channel

거친사각채널에서 왕복운동이 열전달에 미치는 효과

  • 안수환 (경상대학교 수송기계공학부 해양산업연구소) ;
  • 손강필 (경상대학교 대학원 기관공학과)
  • Published : 2002.11.01
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Abstract

The influence of reciprocating frequency and radius on heat transfer in the roughened rectangular channel is experimentally investigated. The aspect ratio (width/height) of the duct is 2.33 and the rib height is one fifteenth of the duct height. And the ratio of rib-to-rib distance to rib height is 10. The discrete ribs were periodically attached to the button wall of the duct with a parallel orientation. The parametric test matrix involves Reynolds number, reciprocating, and reciprocating radius, in the ranges, 1,000∼6,000, 1.7∼2.5 HB and 7∼15cm, respectively. The combined effects of reciprocating frequency and reciprocating radius have considerable influence on the heat transfer due to the modified vortex flow structure.

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References

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