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Original Articles

THE GHOST EFFECT IN THE CONTINUUM LIMIT FOR A VAPOR–GAS MIXTURE AROUND CONDENSED PHASES: ASYMPTOTIC ANALYSIS OF THE BOLTZMANN EQUATION

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Pages 205-237 | Received 25 Jan 2000, Accepted 15 Mar 2000, Published online: 12 Aug 2013

REFERENCES

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  • This means that the flow speed divided by the mean thermal speed (or the Mach number of the flows) is of the order of the Knudsen number
  • Sone , Y. 1997 . “ Continuum gas dynamics in the light of kinetic theory and new features of rarefied gas flows ” . In Rarefied Gas Dynamics Edited by: Shen , C. 3 Beijing : Peking University Press .
  • Sone , Y. 2000 . Flows induced by temperature fields in a rarefied gas and their ghost effect on the behavior of a gas in the continuum limit . Annu. Rev. Fluid Mech. , 32 : 779
  • Sone , Y. , Takata , S. and Sugimoto , H. 1996 . The behavior of a gas in the continuum limit in the light of kinetic theory: The case of cylindrical Couette flows with evaporation and condensation . Phys. Fluids comma , 8 : 3403 10, 1239 (E) (1998)
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  • Ohwada , T. , Sone , Y. and Aoki , K. 1989 . Numerical analysis of the shear and thermal creep flows of a rarefied gas over a plane wall on the basis of the linearized Boltzmann equation for hard-sphere molecules . Phys. Fluids A , 1 : 1538
  • Sone , Y. 1991 . Simple demonstration of a rarefied gas flow induced over a plane wall with a temperature gradient . Phys. Fluids A , 3 : 997
  • Galkin , V. S. , Kogan , M. N. and Fridlender , O. G. 1970 . Some kinetic effects in continuum flows . Fluid Dyn. , 5 : 364
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  • The ghost effect caused by the boundary motion reveals that a serious ambiguity is contained in the classical fluid dynamics (see Ref. [1] and footnote 44)
  • In special problems such as the cylindrical Couette flow with evaporation and condensation [5], the flows of the order of the Knudsen number that are caused by evaporation and condensation on the boundary can also be the source of the ghost effect
  • Galkin , V. S. , Kogan , M. N. and Fridlender , O. G. 1972 . Concentration-stress convection and the properties of slow flows of mixtures of gases . Fluid Dyn. , 7 : 287
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  • Takata , S. , Aoki , K. and Muraki , T. 1999 . “ Behavior of a vapor–gas mixture between two parallel plane condensed phases in the continuum limit ” . In Rarefied Gas Dynamics Edited by: Brun , R. and et al. Vol. I , 479 Toulouse : Cépaduès-Éditions .
  • Takata , S. and Aoki , K. 1999 . Two-surface problems of a multicomponent mixture of vapors and noncondensable gases in the contiuum limit in the light of kinetic thory . Phys. Fluids , 11 : 2743
  • Takamura , K. 1998 . master thesis Department of Aeronautics and Astronautics, Kyoto University . If there are injection (or evaporation) and absorption (or condensation) of the gas of the order of the Knudsen number, the ghost effect appears in the continuum limit even for a single component gas in spatially one-dimensional problems (in Japanese). But this is a rather special situation
  • Kogan , M. N. 1969 . Rarefied Gas Dynamics New York : Plenum .
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  • In the literature, the temperature , partial pressure , stress tensor , and heat-flow vector of each component are often defined by the last four equations of Eq. 2.7 with ui α being replaced by ui [the third equation of Eq. 2.8] (e.g., Refs. [22] and [23]). If these definitions are adopted, the pressure , stress tensor , and heat-flow vector of the total mixture, defined by the last three equations of Eq. 2.8, are expressed by the simple sums of , respectively, instead of the last three equations of Eq. 2.9
  • Sone , Y. 1969 . “ Asymptotic theory of flow of rarefied gas over a smooth boundary I ” . In Rarefied Gas Dynamics Edited by: Trilling , L. and Wachman , H. Y. Vol. 1 , 243 New York : Academic .
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  • Sone , Y. and Aoki , K. 1994 . Molecular Gas Dynamics , Chap. 3 Tokyo : Asakura . (in Japanese)
  • Sone , Y. 1998 . “ Theoretical and numerical analyses of the Boltzmann equation – Theory and analysis of rarefied gas flows ” . In Lecture Notes , Part I Department of Aeronautics and Astronautics, Graduate School of Engineering, Kyoto University . (http://www.users.kudpc.kyoto-u.ac.jp/~a50077/)
  • Aoki , K. , Takata , S. and Kosuge , S. 1998 . Vapor flows caused by evaporation and condensation on two parallel plane surfaces: Effect of the presence of a noncondensable gas . Phys. Fluids , 10 : 1519
  • In principle, the solution f H2 α is required to obtain Eq. 3.19 for appearing in Eq. 3.16. However, the integral ∫ ζ i ζ j f H2 β dζ occurring in Eq. 3.10b with m = 3 can be calculated from f H1 α with the help of the property of the operator (f, g) [Eq. 4]
  • Devoto , R. S. 1970 . Thermal conductivity of multicomponent gas mixtures . Physica , 45 : 500
  • Shibata , T. 1999 . Master thesis Department of Aeronautics and Astronautics, Graduate School of Engineering, Kyoto University . (in Japanese)
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  • Cercignani , C. , Lampis , M. and Lentati , A. Some new results about the temperature jump for a mixture . Proceedings of the Seventh European Conference on Mathematics in Industry . Edited by: Fasano , A. and Primicerio , M. pp. 175 Stuttgart : B. G. Teubner .
  • Huang , C. M. , Tompson , R. V. , Ghosh , T. K. , Ivchenko , I. N. and Loyalka , S. K. 1999 . Measurements of thermal creep in binary gas mixture . Phys. Fluids , 11 : 1662
  • Sone , Y. and Onishi , Y. 1973 . Kinetic theory of evaporation and condensation . J. Phys. Soc. Jpn. , 35 : 1773
  • Sone , Y. , Ohwada , T. and Aoki , K. 1989 . Evaporation and condensation on a plane condensed phase: Numerical analysis of the linearized Boltzmann equation for hard-sphere molecules . Phys. Fluids A , 1 : 1398
  • Sone , Y. , Ohwada , T. and Aoki , K. 1989 . Temperature jump and Knudsen layer in a rarefied gas over a plane wall: Numerical analysis of the linearized Boltzmann equation for hard-sphere molecules . Phys. Fluids A , 1 : 363
  • From Eqs. 3.18 and 3.21, it is seen that Eq. 3.32 is equivalent to a relation among the boundary values of u iH1 ni , , and (∂X H0 A /∂xi )ni. Therefore, if we regard Eqs. 3.15, 3.16, 3.17 with Eqs. 3.18, 3.19, 3.20, 3.21, 3.22 as the equations for , and [see the last part of the paragraph containing Eq. 3.22], then the boundary conditions 3.25a, 3.25b, 3.32, and 3.33 are interpreted as follows: Eq. 3.25a, 3.25b specifies the boundary values of and ; Eq. 3.32 gives a relation among the boundary values of u iH1 ni , , and ; and Eq. 3.33 gives a relation among the boundary values of u iH1 ti , , and
  • In fact, if the assumptions 3.11 and 3.23 are not compatible with the physical problem under consideration, the analysis cannot be performed consistently. The compatibility does not exclude the possibility of a solution with a flow of O(1), but the presence of such a solution is unlikely in the situation without external forces
  • As discussed in Ref. [1], the factor I has a different nature from others. The boundary data and of the system in the continuum limit are well defined; therefore, if we assume that Ui = 0, all the effects caused by the factors II–VII are determined unambiguously. In contrast, the boundary data Ui , on which the factor I is based, cannot be known from the system in the continuum limit. In other words, the effect caused by the factor I cannot be determined only by the information from the system that is in the continuum limit. This fact shows that fatal ambiguity is also contained in the classical fluid dynamics
  • Bird , R. B. , Stewart , W. E. and Lightfoot , E. N. 1960 . Transport Phenomena New York : Wiley .
  • Cussler , E. L. 1997 . Diffusion – Mass Transfer in Fluid Systems Cambridge : Cambridge University Press .
  • It can be shown, with the aid of Eqs. 3.18 and 3.21, that the conditions 3.32 and 6.1 are equivalent to u iH1 ni = 0 on the boundary and a relation between the boundary values of . These two relations, together with Eqs. 3.25b and 3.33, form the boundary conditions for Eqs. 3.15, 3.16, 3.17, 3.18, 3.19, 3.20, 3.21, 3.22 when they are regarded as the equations for (see footnote 42)
  • Grad , H. 1969 . “ Singular and nonuniform limits of solutions of the Boltzmann equation ” . In Transport Theory Edited by: Bellman , R. and et al. 269 Providence , RI : AMS .
  • Bardos , C. , Caflisch , R. E. and Nicolaenko , B. 1986 . The Milne and Kramers problems for the Boltzmann equation of a hard sphere gas . Commun. Pure Appl. Math. , 39 : 323
  • Cercignani , C. 1986 . “ Half-space problem in the kinetic theory of gases ” . In Trends in Applications of Pure Mathematics to Mechanics Edited by: Kröner , E. and Kirchgässner , K. 35 Berlin : Springer .
  • Golse , F. and Poupaud , F. 1989 . Stationary solutions of the linearized Boltzmann equation in a half-space . Math. Methods Appl. Sci. , 11 : 483

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