Transactions of the Korean Society of Mechanical Engineers B (대한기계학회논문집B)

The Korean Society of Mechanical Engineers (대한기계학회)
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Frost Formation on a Cold Cylindrical Surface in Cross Flow

직교류내 원통형 냉각표면에서의 착상

  • 이관수 (한양대학교 기계공학부) ;
  • 이동훈 (한양대학교 대학원 기계공학과) ;
  • 양동근 (한양대학교 대학원 기계공학과)
  • Published : 2004.08.01
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Abstract

This paper presents a semi-empirical model to predict the frost growth formed on the cold cylinder surface. The model is composed of the correlations for frost properties including the various frosting parameters and local heat transfer coefficient. The effects of varying the correlations for local heat transfer coefficient on the frost growth are examined to establish the model. The numerical results are compared with experimental data obtained by the previous researchers. The results agree well with the experimental data within a maximum error of $13\%$. As the results, the frost thickness decreases with changing angular position from front stagnation to separation point. Also, the effects of air velocity on the frost growth are negligible, as compared to the other frosting parameters.

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References

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