Influence of plate inclination on heat transfer and breakdown of locally heated flowing liquid film

E. A. Chinnov, O. A. Kabov, A. V. Muzykantov, D. V. Zaitsev

Research output: Contribution to journalArticle

21 Citations (Scopus)

Abstract

Experimental investigation of heat transfer from local heat sources to a dielectric liquid film, flowing under gravitation over a plate inclined at different angles with respect to the horizontal, has been performed. The liquid evaporated to the vapor-air mixture. The initial temperature of the liquid was essentially lower than its saturation temperature at atmospheric pressure. At a threshold value of heat flux, regular structures formed at the film surface. With decrease in plate inclination angle the wavelength of the regular structures became several times larger. Change in plate inclination angle did not significantly influence heat transfer in the region before the regular structures formation. Film breakdown occurred either after or at the moment of the regular structures formation. Heat flux at which continuous film flow was disturbed, decreased with decreasing the plate inclination angle and increased with decreasing the heater length along the flow.

Original languageEnglish
Pages (from-to)31-44
Number of pages14
JournalInternational Journal of Heat and Technology
Volume19
Issue number1
Publication statusPublished - 2001

Fingerprint

Liquid films
heat transfer
films (materials)
inclination
Hot Temperature
breakdown
Heat transfer
liquids
Heat flux
heat
Dielectric liquids
heat flux
Dielectric films
Liquids
heaters
Atmospheric pressure
atmospheric pressure
Gravitation
heat sources
Vapors

ASJC Scopus subject areas

  • Fluid Flow and Transfer Processes
  • Food Science

Cite this

Influence of plate inclination on heat transfer and breakdown of locally heated flowing liquid film. / Chinnov, E. A.; Kabov, O. A.; Muzykantov, A. V.; Zaitsev, D. V.

In: International Journal of Heat and Technology, Vol. 19, No. 1, 2001, p. 31-44.

Research output: Contribution to journalArticle

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