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Heat Transfer Research

ISSN for PRINT: 1064-2285

Institutional price:	$2485.00
Issues per year:	8

Best Paper Award Selection - Editorial Board Site

2004, Volume35

134 pages

DOI: 10.1615/HeatTransRes.v35.i12

Issue price - $674.00

Numerical Modeling of Combustion in a Turbulent Boundary Layer with Injection of Hydrogen Through a Porous Plate

E. P. Volchkov
S. S. Kutateladze Institute of Thermophysics, Siberian Branch of the Russian Academy of Sciences, Novosibirsk, Russia

Victor V. Terekhov
Lab. of Thermal and Gas Dynamics Kutateladze Institute of Thermophysics, Russian Academy of Sciences, Siberian Branch, 630090, 1, Acad. Lavrent'ev Avenue, Novosibirsk, Russia

V. I. Terekhov
S. S. Kutateladze Institute of Thermophysics of the Siberian Branch of the Russian Academy of Sciences, Novosibirsk, Russia

ABSTRACT

Results of numerical investigation of the effect of the rate of hydrogen injection through a porous surface during its combustion in a boundary layer are presented. In order to simulate turbulent characteristics of flow we used the turbulence model with the Chen modification for low Reynolds numbers. For description of the process of chemical reaction we applied the diffusion model with account for the difference between the coefficients of diffusion for different substances. Comparison of the cases of injection with and without combustion shows that the front of heat liberation leads to delay of laminar-to-turbulent transition and to substantial deformation of the density profiles of a gaseous mixture and its viscosity. The effect on a decrease of surface friction due to merely injection and combustion is analyzed.