A Numerical Study on Cooling Characteristics by Impinging Jet at a Square Heating Element with Duct

충돌제트에 의한 덕트내 사각발열체의 냉각특성에 관한 수치해석적 연구

  • 윤정호 (동아대학교 기계공학과) ;
  • 김시범 (동아대학교 기계공학과) ;
  • 김동균 (동명대학 컴퓨터응용기계과) ;
  • 이치우 (진주산업대학교 기계공학과) ;
  • 김지훈 (동아대학교 기계공학과)
  • Published : 2005.01.01

Abstract

Because Impinging jet has excellent heat & mass transfer characteristics. it has many advantages of cooling. drying. etc and widely applied at industrial fields. Therefore, there have been many experimental investigations and theoretical studies about Impinging jet. The present study is about a cooling characteristic by Impinging jet for a Square Plate on Duct and investigated this characteristic through three-dimensions numerical analysis, using FLUENT. As the result of this study, heat transfer effect is the most appropriate condition when the ratio of distance is 6 between nozzle exit diameter and heat source. diameter of duct is 90mm and height of duct is 60mm. In addition. under the influence of injected jet. stagnant fluid flow into free jet field and this affected the whole flow field. So the shape of duct is a important factor and the researcher confirmed the need of investigation about duct.

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References

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