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THEORY AND EXPERIMENTS ON EVAPORATING SESSILE DROPS OF BINARY LIQUID MIXTURES.

Author(s) : YANG W. J., GUO K. H., UEMURA T.

Type of article: Article

Summary

THEORETICAL AND EXPERIMENTAL STUDIES ARE PERFORMED TO DETERMIN E THE SIZE, HISTORY AND LIFETIME OF EVAPORATING SESSILE DROPS OF BINARY LIQUID MIXTURES. THE MINIMUM AND MAXIMUM DROP LIFETIMES OCCUR AT THE AZEOTROPIC COMPOSITIONS OF THE POSITIVE AND NEGATIVE AZEOTROPES, RESPECTIVELY. THE MECHANISMS LEADING TO THE EXTREMUM DROP LIFETIME ARE DUE TO THE CHANGES IN COMPOSITION OF THE MORE VOLATILE COMPONENT DURING THE VAPORIZATION PROCESS. THIS COMPOSITION CHANGE TENDS TO SUPPRESS VAPORIZATION. A NEW DIMENSIONLESS PARAMETER IS FOUND TO DETERMINE THE INTENSITY OF VAPORIZATIONS OF A BINARY LIQUID DROP.

Details

  • Original title: THEORY AND EXPERIMENTS ON EVAPORATING SESSILE DROPS OF BINARY LIQUID MIXTURES.
  • Record ID : 1990-0087
  • Languages: English
  • Source: International Journal of Heat and Mass Transfer - vol. 32 - n. 7
  • Publication date: 1989

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