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A model for correlating flow boiling heat transfer in augmented tubes and compact evaporators.

Author(s) : KANDLIKAR S. G.

Type of article: Article

Summary

The additive model for the convective and nucleate boiling components for subcooled and low-quality regions was employed for flow boiling in smooth tubes. It is now extended to augmented tubes and compact evaporators. Two separate factors are introduced in the convective boiling and the nucleate boiling terms to account for the augmentation effects due to the respective mechanisms. The fin efficiency effects are included through a reduction in the nucleate boiling component over the fins due to a lower fin surface temperature. The agreement between the model predictions and the data reported in the literature is good.

Details

  • Original title: A model for correlating flow boiling heat transfer in augmented tubes and compact evaporators.
  • Record ID : 1992-2616
  • Languages: English
  • Source: J. Heat Transf. - vol. 113 - n. 4
  • Publication date: 1991/11
  • Document available for consultation in the library of the IIR headquarters only.

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