Abstract
In recent years, there has been a growing interest in new fundamental and application problems focused on the study of strong phase transitions like evaporation and condensation. Problems of this kind arise in the study of many processes.
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- 1.
Strictly speaking, the concept of hydrodynamic velocity cannot be applied to the Knudsen layer, so parameter \( \tilde{u} \) can be described as a second (along with \( \varepsilon \)) ellipsoidal parameter.
Abbreviations
- \( {\mathbf{c}} \) :
-
Molecular velocity vector
- \( c_{x} ,c_{y} \) :
-
Projections of molecular velocity vector to the axis x, y parallel to the surface
- \( c_{z} \) :
-
Component of molecular velocity normal to the surface
- \( f \) :
-
Distribution function
- \( I,K \) :
-
Dimensionless molecular fluxes
- J :
-
Molecular flux
- j :
-
Mass flux
- \( k_{B} \) :
-
Boltzmann constant
- m :
-
Molecular mass
- M:
-
Mach number
- n :
-
Molecular gas density
- p :
-
Pressure
- \( \tilde{p} \) :
-
Pressure ratio
- T :
-
Temperature
- \( \tilde{T} \) :
-
Temperature ratio
- \( u \) :
-
Hydrodynamic velocity
- v:
-
Hydrodynamic velocity vector
- \( \tilde{u} \) :
-
Velocity factor
- v:
-
Thermal velocity of molecules
- \( \alpha_{\rho } ,\,\alpha_{\text{v}} ,\,\alpha_{\text{u}} \) :
-
Coefficients
- \( \rho \) :
-
Density
- \( \varepsilon \) :
-
Ellipsoidal parameter
- \( w \) :
-
Condensed phase surface
- \( \delta \) :
-
Mixing surface
- \( \infty \) :
-
Infinity
- 1:
-
Mass flux
- 2:
-
Momentum flux
- 3:
-
Energy flux
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Zudin, Y.B. (2018). Approximate Kinetic Analysis of Strong Condensation. In: Non-equilibrium Evaporation and Condensation Processes. Mathematical Engineering. Springer, Cham. https://doi.org/10.1007/978-3-319-67306-6_5
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DOI: https://doi.org/10.1007/978-3-319-67306-6_5
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