Effect of a Dispersed Admixture on the Flow Pattern and Heat Transfer in a Supersonic Dusty-Gas Flow Around a Cylinder

被引：0
作者：
A. N. Volkov
Yu. M. Tsirkunov
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来源：
Fluid Dynamics | 2005年 / 40卷
关键词：
dusty gas; supersonic flow; crosswise flow past a cylinder; two-phase flow; heat transfer;
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摘要：
A mathematical model of two-phase (gas-solid particle) flow which takes into account particle-particle collisions and the feedback effect of the admixture on the gas parameters is proposed. The dispersed phase is described by a kinetic equation of the Boltzmann type and the carrier gas by modified Navier-Stokes equations. Using this model, a supersonic uniform dusty-gas flow past a cylinder is calculated. The fields of the macroparameters of the admixture and the carrier medium are obtained. The dependence of the heat transfer at the stagnation point on the relative particle size and the free-stream admixture concentration is studied in detail. The ranges of these parameters on which particle collisions and the feedback effect of the admixture on the carrier-gas flow are important are found.
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页码：561 / 574
页数：13
相关论文
共 36 条
[1]  
Osiptsov A. N.(1985)Boundary layer on a blunt body in a flow of dusty gas Fluid Dynamics 20 750-757
[2]  
Osiptsov A. N.(1986)Effect of particle environment on boundary layer structure in hypersonic flow past a blunt body Fluid Dynamics 21 722-729
[3]  
Shapiro E. G.(2001)Limits of inertial particle deposition regime and heat transfer in supersonic viscous-dusty-gas flow past bodies Fluid Dynamics 36 952-963
[4]  
Egorova L. A.(2001)Heat exchange on the front surface of a blunt body in a high-speed flow containing low-inertia particles J. Engng. Phys. Thermophys. 74 1399-1411
[5]  
Osiptsov A. N.(1989)Monte-Carlo analysis of wall erosion and direct contact heat transfer by impinging two-phase jet J. Thermophys. and Heat Transfer 3 112-122
[6]  
Sakharov V. I.(1992)Heat transfer in a supersonic heterogeneous flow Teplofiz. Vys. Temper. 30 1147-1153
[7]  
Vasilevskii E. B.(2000)Kinetic model of a collisional admixture in dusty gas and its application to calculating flow past bodies Fluid Dynamics 35 380-392
[8]  
Osiptsov A. N.(1994)Boundary layer effects in the dusty gas flow over a blunt body Proc. EUROMECH Colloq.-319: Proc. Estonian Acad. Sci. Phys. Math. 43 250-262
[9]  
Chirikhin A. V.(1976)Drag coefficients of spheres in continuum and rarefied flows AIAA J. 14 707-708
[10]  
Yakovleva L. V.(1998)Experiments on the lift of a spinning sphere in a range of intermediate Reynolds numbers Experim. Fluids 25 16-22
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