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Unsteady heat and mass transfer during frost formation in a fin-and-tube heat exchanger.

Author(s) : LENIC K., TRP A., FRANKOVIC B.

Summary

In the paper, numerical and experimental analyses of heat and mass transfer during frost formation on a fin-and-tube heat exchanger have been performed. The modelling of the frost formation on cold surfaces placed in a humid air stream requires a complex mathematical approach. The results have shown that the frost layer growth is faster with higher inlet air humidity. The frost layer formation significantly influences the heat transfer between air and refrigerant. Using the developed mathematical model, the algorithm and the computer code, which have been experimentally validated, it is possible to predict a decrease of exchanged heat flux in the heat exchanger under frost growth conditions.

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Pages: pp. 35-48

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Details

  • Original title: Unsteady heat and mass transfer during frost formation in a fin-and-tube heat exchanger.
  • Record ID : 2010-1396
  • Languages: English
  • Source: Energija i okolis 2006. Medunarodni kongres: XX. znanstveni skup o energiji i zastiti ikolisa./ Energy and the environment 2006. International congress: 20th Scientific Conference on Energy and the Environment.
  • Publication date: 2006/10/25

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