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  • 1
    Electronic Resource
    Electronic Resource
    Role of the Knudsen layer in the problem of droplet evaporation (1984)
    Springer
    Fluid dynamics 19 (1984), S. 107-111 
    Details
    ISSN: 1573-8507
    Source: Springer Online Journal Archives 1860-2000
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics , Physics
    Notes: Abstract A study is made of the part played by the Knudsen layer in the problem of weak unsteady evaporation of a spherical droplet in its own vapor. It is shown that use of the classical Hertz—Knudsen formula may lead to appreciable errors, in particular, in the determination of the time required by the droplet temperature to relax to the state corresponding to steady evaporation.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01090916
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Boundary kinetic effects in the problem of slow flow over an evaporating heat-conducting spherical particle (1987)
    Springer
    Fluid dynamics 22 (1987), S. 279-283 
    Details
    ISSN: 1573-8507
    Source: Springer Online Journal Archives 1860-2000
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics , Physics
    Notes: Abstract It is shown that for sufficiently large values of the thermal conductivity of the condensed phaseλ' as compared with the thermal conductivity of the vaporλ (λ/λ' ∼ Kn) the effects associated with the presence of a Knudsen layer on the evaporating surface must be taken into account in order to obtain a solution of the problem of a spherical particle in a slow (Re∞, ≪ 1) continuum (Knudsen number Kn ≪ 1) flow of its own vapor. The drag is calculated for various types of boundary conditions on the particle surface.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01052263
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    Paper (German National Licenses)
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  • 3
    Electronic Resource
    Electronic Resource
    Lift force exerted on a spherical particle in a laminar boundary layer (1989)
    Springer
    Fluid dynamics 24 (1989), S. 710-714 
    Details
    ISSN: 1573-8507
    Source: Springer Online Journal Archives 1860-2000
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics , Physics
    Notes: Abstract A spherical particle moving in an unbounded viscous shear flow is acted upon by a lift force [1, 2] which results from taking the inertial terms into account in the equations of motion. When the particle moves at the bottom of a laminar boundary layer the magnitude of the force differs from that obtained in [1, 2], The problem of determining the lift force exerted on the particle as a function of its distance from the wall has been solved by matched asymptotic expansions. The magnitude of the force is expressed in terms of a multiple integral which can be evaluated numerically.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01051723
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    Paper (German National Licenses)
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  • 4
    Electronic Resource
    Electronic Resource
    Dynamics of a spherical particle in a laminar boundary layer (1990)
    Springer
    Fluid dynamics 25 (1990), S. 886-890 
    Details
    ISSN: 1573-8507
    Source: Springer Online Journal Archives 1860-2000
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics , Physics
    Notes: Abstract The problem of the motion of an individual spherical particle in a laminar boundary layer is considered for small Reynolds numbers determined from the relative velocity and the transverse velocity gradient of the flow undisturbed by the particle. The dependence of the transverse force acting on the particle, which results from the nonuniformity of the free stream, on the distance of the particle from the surface of a flat plate is calculated. It is shown that the direction of the transverse force changes with the distance of the particle from the plate: near the surface the force is positive, i.e., directed away from the plate, and at greater distances negative.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01049699
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    Paper (German National Licenses)
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  • 5
    Electronic Resource
    Electronic Resource
    Particle motion in a laminar boundary layer on the transverse velocity relaxation length (1993)
    Springer
    Fluid dynamics 28 (1993), S. 63-68 
    Details
    ISSN: 1573-8507
    Source: Springer Online Journal Archives 1860-2000
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics , Physics
    Notes: Abstract The properties of the equation of quasi-equiiibrium particle motion in the boundary layer on a flat plate are investigated. In particular, it is shown that in general it has a nonunique solution and that, depending on its initial velocity, the particle may approach the surface of the plate or move in the opposite direction.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01055666
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    Paper (German National Licenses)
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  • 6
    Electronic Resource
    Electronic Resource
    Dispersed phase motion in laminar boundary layer flow over a wedge (1993)
    Springer
    Fluid dynamics 28 (1993), S. 778-784 
    Details
    ISSN: 1573-8507
    Source: Springer Online Journal Archives 1860-2000
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics , Physics
    Notes: Abstract The motion of a dispersed phase in the laminar boundary layer on a wedge is considered with allowance for the effect of not only the Stokes force, which coincides in direction with the flow velocity, but also the transverse force (Saffman force) resulting from the transverse nonuniforrnity of the flow over the individual particle [1–3].
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01049778
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  • 7
    Electronic Resource
    Electronic Resource
    Motion of a suspension in the laminar boundary layer on a flat plate (1992)
    Springer
    Fluid dynamics 27 (1992), S. 49-54 
    Details
    ISSN: 1573-8507
    Source: Springer Online Journal Archives 1860-2000
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics , Physics
    Notes: Abstract The boundary layer motion of a weak suspension is investigated with allowance for the effect on the particles not only of the Stokes force but also of the additional transverse force resulting from the transverse nonuniformity of the flow over the individual particle. As distinct from studies [1–3], in which the limiting values of the transverse force (Saffman force) were used [4], the velocity and density of the dispersed phase have been determined with allowance for the dependence of the Saffman force on the ratio of the Reynolds numbers calculated from the velocity of the flow over the individual particle and the transverse velocity gradient of the undisturbed flow, respectively [5, 6].
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01054172
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    Paper (German National Licenses)
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