Volume 16, no. 1Pages 35 - 46
Numerical Simulation Intra-chamber of Unsteady Turbulent Flows Stimulate. Part 2A.M. Lipanov, A.A. Shumikhin, M.R. Koroleva, A.I. Karpov
The flow of gas in a solid-fuel rocket engine is determined by the peculiarities of the physico-chemical processes occurring in the combustion chamber and the process of gas outflow from the nozzle. The paper proposes a method for modeling internal unsteady turbulent flows in a rocket engine with a solid fuel charge of a telescopic type. A system of defining equations written in a cylindrical coordinate system describing the flow of a compressible viscous gas is given. A computational algorithm is proposed that belongs to the class of methods using the Godunov approach, developed on the basis of a modified flow vector splitting scheme. The obtained results of a numerical study of the flow in a model rocket engine show the dependence of the gas temperature on the engine wall on the combustion rate of a low-temperature external charge of a telescopic charge.Full text
- intra-chamber processes; turbulence; unsteady flow; computational fluid dynamics.
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