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A numerical model for condensate drops and bridges retained on the air-side surface of heat exchangers.

Author(s) : XIA Y., SOMMERS A. D., JACOBI A. M.

Summary

A model is developed to predict the shape of a drop or condensate bridge by numerically solving the Young-Laplace equation which governs the shape of the liquid-vapour interface, subject to a prescribed shape of the base contour and variation of the contact angle along the base contour. The model is successful in predicting the shapes and volumes of condensate elements on surfaces with widely varying hydrophilicity. In addition to its utility in predicting the volume (or mass) of condensate retained on fin surfaces as drops or bridges, this model can be used to study the effects of hydrophilicity on inter-fin or inter-louver condensate bridging.

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Details

  • Original title: A numerical model for condensate drops and bridges retained on the air-side surface of heat exchangers.
  • Record ID : 2008-2082
  • Languages: English
  • Source: 2006 Purdue Conferences. 18th International Compressor Engineering Conference at Purdue & 11th International Refrigeration and Air-Conditioning Conference at Purdue [CD-ROM].
  • Publication date: 2006/07/17

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