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ABSORPTION OF WATER VAPOUR INTO A WAVY FILM OF AN AQUEOUS SOLUTION OF LITHIUM BROMIDE.

Author(s) : MORIOKA I., KIYOTA M.

Type of article: Article

Summary

THE SURFACE HAS BEEN TREATED AS PERFECTLY SMOOTH IN THE ANALYSIS OF ABSORPTION OF WATER VAPOUR INTO FALLING FILM OF AQUEOUS LITHIUM BROMIDE SOLUTION. HOWEVER, WAVES OR DISTURBANCES BEGIN TO APPEAR AT FILM REYNOLDS NUMBER OF 20. IN THE PAPER, THE INFLUENCE OF THE WAVES IS ANALYZED NUMER THE VELOCITY PROFILE INSIDE THE FILM IS DETERMINED FOLLOWING KAPITZA'S ANALYSIS. THE WAVE VELOCITY AND THE WAVELENGTH ARE DETERMINED FROM PIERSON AND WHITAKER'S EQUATIONS. THE LIQUID SURFACE IS IMMOBILIZED BY COORDINATE TRANSFORMATION. THE RESULTS ARE COMPARED WITH THOSE FOR A LAMINAR FLOW WITH A SMOOTH SURFACE. IT IS FOUND THAT THE ABSORPTION RATES INCREASE BY A FACTOR OF 1.7-2.4 OVER THE FILM REYNOLDS NUMBER RANGE OF 20-100.

Details

  • Original title: ABSORPTION OF WATER VAPOUR INTO A WAVY FILM OF AN AQUEOUS SOLUTION OF LITHIUM BROMIDE.
  • Record ID : 1992-0600
  • Languages: English
  • Source: JSME int. J., Ser. II - vol. 34 - n. 2
  • Publication date: 1991/05
  • Document available for consultation in the library of the IIR headquarters only.

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