Pool boiling heat transfer coefficient of pure liquids using dimensional analysis

Document Type : Research Article

Authors

Department of Chemical Engineering, Gachsaran Branch, Islamic Azad University, Gachsaran, Iran

Abstract

The pool boiling heat transfer coefficient of pure liquids were experimentally measured on a horizontal bar heater at atmospheric pressure. These measurements were conducted for more than three hundred data in thermal currents up to 350 kW.m-2. Original correlations and the unique effect of these correlations on experimental data were discussed briefly. According to the analysis, a new empirical relationship implying a performance superior to other available correlations is presented.

Highlights

  • Dimensionless groups were created linking new boiling heat transfer coefficient to physical properties of boiling liquids.
  • Boiling heat transfer coefficient of liquids increased slowly through an increase in heat flux.
  • A precise correlation was achieved to link dimensionless groups by optimizing the model using genetic algorithm.

Keywords

References

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Journal of Particle Science and Technology
Volume 3, Issue 2
June 2017
Pages 63-69

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History

  • Receive Date: 08 April 2017
  • Revise Date: 24 June 2017
  • Accept Date: 04 December 2017

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