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EVAPORATION OF A LITHIUM BROMIDE AQUEOUS SOLUTION IN A FALLING FILM HEATER UNDER REDUCED PRESSURES.

[In Japanese. / En japonais.]

Author(s) : MATSUDA A., IDE T., YUKINO K.

Type of article: Article

Summary

EXPERIMENTS WERE MADE IN AN EXTERNALLY HEATED WETTED-WALL COLUMN UNDER REDUCED PRESSURES. FOR WATER, THE EVAPORATION RATE INCREASED SLIGHTLY AS THEFEED RATE DECREASED. THE HEAT TRANSFER COEFFICIENTS OF THE FALLING FILM AGREED WITH THOSE FOR FILMWISE CONDENSATION. THE EQUATIONS OF CONTINUITY, DIFFUSION AND ENERGY, WHICH ASSUME THAT ONLY WATER MOVES TO THE SURFACE AND THE LITHIUM BROMIDE DOES NOT MOVE THROUGH FALLING FILM OF THE LITHIUM BROMIDE SOLUTION, WERE SOLVED NUMERICALLY. CALCULATED VALUES FOR THE EVAPORATION RATE AND OUTLET TEMPERATURE OF SOLUTION AGREED WITH EXPERIMENTAL RESULTS AND IT WAS SHOWN THAT THE FALLING FILM HEATER IS SUPERIOR TO THE POOL BOILING HEATER AS REGARDS HEAT TRANSFER.

Details

  • Original title: [In Japanese. / En japonais.]
  • Record ID : 1986-1908
  • Languages: Japanese
  • Source: Trans. JAR - vol. 2 - n. 3
  • Publication date: 1985
  • Document available for consultation in the library of the IIR headquarters only.

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