Geodesic
Estimation of the efficiency of gas dynamic protection of the SPRM casing body with an internal-external burning combined charge
Vestnik Tomskogo gosudarstvennogo universiteta. Matematika i mehanika, no. 3 (2011), pp. 83-86 Cet article a éte moissonné depuis la source Math-Net.Ru

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The problem of gas dynamic protection of the body of a solid propellant rocket engine with a set-in sequential multigrain charge is considered. For this purpose, the main grain is made as a coaxial cylinder with an outer cylinder made of fuel composition with significantly lower burning temperature. Low-temperature fuel combustion products form a gas-screen along the inner surface of combustion chamber serving as a thermal protection. The inter-grain retainer pad structure provides steady motion of the gas-screen. Results of numerical analysis of efficiency of the selected method of thermal protection of the model engine body for the 2D gas dynamic scenario are given.
Keywords: solid propellant rocket motor, thermal protection, gas dynamics of flow. 
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     title = {Estimation of the efficiency of gas dynamic protection of the {SPRM} casing body with an internal-external burning combined charge},
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A. S. Zhukov; B. V. Borisov; S. S. Bondarchuk. Estimation of the efficiency of gas dynamic protection of the SPRM casing body with an internal-external burning combined charge. Vestnik Tomskogo gosudarstvennogo universiteta. Matematika i mehanika, no. 3 (2011), pp. 83-86. http://geodesic.mathdoc.fr/item/VTGU_2011_3_a9/

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