A Kinetic Theory Analysis of Evaporation from a Droplet

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概要

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• A weak evaporation from a droplet was studied based upon a linearized kineticmodel equation which yields correct thirteen moments derived from the Boltzmannequation. The basic equation was solved using a singular perturbation method.Obtained results showed that density and temperature jumps at the dropletsurface were weakly dependent upon the model equations if they were measured inthe same length scale and against certain extensive values such as mass flux or heatflux. These extensive values of order 0(Kn) were, however, dependent upon thePrandtl number through the heat conductivity, while they were little dependentupon a scaling factor of the collision frequency. The thickness of the Knudsenlayer was however stretched by the inverse of the scaling factor compared withthe one of the BGK model equation.

• 社団法人日本物理学会の論文
• 1985-07-15

著者

• Soga T

  Nagoya Univ. Nagoya Jpn

• Soga Takeo

  Department Of Aeronautical Engineering Faculty Of Engineering Nagoya University

関連論文

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• On the Interpolation Formula Based upon the Asymptotic Solution to the Kinetic Model Equation
• Direct Simulation of Axially Symmetric Effusive Flow from a Porous Wall into a Vacuum
• Rotational Temperature Measurements in Free Jet Expansions of N_2 Using Electron Beam Fluorescence Technique
• A Kinetic Theory Analysis of Unsteady Evaporation from a Liquid Surface with Temperature Change
• A Kinetic Theory Analysis of Evaporation from a Droplet
• A Kinetic Theory Analysis of Transient Evaporation Problem
• Numerical Study of a Supersonic Jet Impinging on a Flat Plate in a Vacuum
• Model Dependence of Thermal Force on a Spherical Particle of High Thermal Conductivity

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