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AN APPROXIMATE ANALYSIS FOR GENERAL FILM CONDENSATION TRANSIENTS.

Author(s) : FLIK M. I., TIEN C. L.

Type of article: Article

Summary

THE ANALYSIS SHOWS THAT GENERAL FILM CONDENSATION TRANSIENTS ARE GOVERNED BY THE PROPAGATION OF A KINEMATIC WAVE ALONG THE FILM. SCALING ARGUMENTS ESTABLISH CONDITIONS FOR THE USE OF QUASI-STEADY PROFILES IN THE INTEGRAL CONSERVATION EQUATIONS. AN ELEMENTARY METHOD PERMITS SIMPLE SOLUTIONS OF THE GOVERNING HYPERBOLIC EQUATION FOR TIME-STEP CHANGES WITH ARBITRARY INITIAL CONDITIONS. THEAPPLICATION OF THIS METHOD YIELDS CLOSED-FORM SOLUTIONS FOR STEP CHANGES OF BODY FORCE, VAPOUR SHEAR, AND WALL TEMPERATURE FOR A LAMINAR FILM AND FOR STEP CHANGES OF BODY FORCE AND WALL TEMPERATURE FOR A FILM WITHIN A POROUS MEDIUM.

Details

  • Original title: AN APPROXIMATE ANALYSIS FOR GENERAL FILM CONDENSATION TRANSIENTS.
  • Record ID : 1990-0549
  • Languages: English
  • Source: J. Heat Transf. - vol. 111 - n. 2
  • Publication date: 1989
  • Document available for consultation in the library of the IIR headquarters only.

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