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Article
Gasdynamic and Thermal Effects of the Synthesis of Micron-Sized Particles by the Carbon Combustion Method in Straight-Flow and Three-Zone Reactors
An axisymmetric two-temperature model for analyzing the synthesis of multiple oxides by the carbon combustion method is developed. The system of governing equations includes the mass, momentum, and energy cons...
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Article
Numerical Simulation of the Tube Flow of a Mixture with Chemical Reactions and Condensation
The results of calculating a model of a direct-flow chemical vapor-deposition reactor are presented. The phase- formation stages are considered over a wide time range. This makes it possible to identify differ...
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Article
Numerical modeling of three-dimensional viscous flows using a space-marching method with pressure iterations
A method of calculating steady three-dimensional compressible and incompressible flows on the basis of simplified Navier-Stokes equations is examined. Some calculation results are presented. These relate to th...
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Article
Unsteady viscous shock layer in the case of supersonic motion through an inhomogeneity
The model of a perfect gas is used in a numerical simulation of unsteady effects in a viscous shock layer near the stagnation streamline near the front part of a rotating blunt body in an inhomogeneous externa...
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Article
Unsteady viscous shock layer near the leading edge of a wing of infinite span
The effect of unsteady injection and wall temperature variation on the parameters of the viscous shock layer near the stagnation line of a wing of infinite span at an angle of slip is investigated on the basis...
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Article
Viscous shock layer near the stagnation point on a rotating body with unsteady injection and surface cooling
Unsteady supersonic flow regimes in the neighborhood of a stagnation point are investigated on the basis of a system of viscous shock layer equations [10] containing all the terms of the Euler equations and th...
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Article
Influence of rotation of the body and exterior vorticity on the heat transfer near the stagnation point of a blunt body in a supersonic stream
A study is made of the influence of longitudinal vorticity Ω on the hypersonic viscous shock layer near an axisymmetric cooled surface that rotates about the longitudinal axis with angular velocity Ω1 [1, 2]. The...
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Article
Flow regimes of a viscous gas in a thin three-dimensional shock layer near a surface with small curvatures
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Article
Unsteady effects in a thin viscous shock layer near a three-dimensional stagnation point of a body moving with given acceleration and deceleration
An unsteady viscous shock layer near a stagnation point is studied. The Navier-Stokes equations are analyzed in the limit γ → 1, Re0 → ∞, df/dt = αn-mF(t/αm). The Reynolds number Re0 is defined in the paper by Eq...
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Article
Investigation of stationary flow of viscous gas in a thin three-dimensional shock layer
A three-dimensional shock layer near the blunt surface of a fairly smooth body is analyzed asymptotically. Equations of the first approximation are obtained and justified in various cases of the limit γ → 1, ɛ...
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Article
Problem concerning a plane explosion in a heterogeneous atmosphere with account taken of the post-breakthrough stage
The problem is considered concerning a plane explosion in an exponential and standard atmosphere. The heterogeneity of the medium exerts an extremely marked influence on the gas flow. As shown in [1], under th...
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Article
Asymptotic of a damped plane shock in an exponential atmosphere
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Article
Investigation of supersonic flow around a blunt body with injection for high Reynolds numbers
The paper discusses the supersonic flow around a blunt smooth body by a stream of viscous gas with subsonic injection from the surface of the body. The effect of various injection cycles on the physical flow c...
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Article
Asymptotic study of viscous compressible gas flow past a blunt body
Supersonic viscous gas flow past a blunt body is examined. A method is proposed which permits constructing the asymptotic expansion of any order in the small parameter ε, which characterizes the viscosity and ...