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An experimental study on frosting of laminar air flow on a cold surface with local cooling.

Author(s) : KWON J. T., LIM H. J., KWON Y. C., et al.

Type of article: Article, IJR article

Summary

This paper presents the heat and mass transfer characteristics of the humid airflow in frosting conditions. A flat plate of aluminium with cooling modules at the central region was used for the simulation of the flat surface part of the fin of the heat exchanger. The local surface temperature of the plate and the local thickness and total mass of the frost on the plate were measured to analyze the heat and mass transfer characteristics. In order to analyze the frosting characteristics, an analysis algorithm was developed, which can provide the local air temperature, the frost surface temperature, the sensible and the latent heat flux distributions at the test plate. Also, by integrating the local heat flux distribution, the average heat flux characteristics were analyzed. The experiment and analysis presented in the paper found that the characteristic of the upstream airflow was very different from that of the downstream airflow.

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Pages: 754-760

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Details

  • Original title: An experimental study on frosting of laminar air flow on a cold surface with local cooling.
  • Record ID : 2006-1782
  • Languages: English
  • Source: International Journal of Refrigeration - Revue Internationale du Froid - vol. 29 - n. 5
  • Publication date: 2006/08

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