The turbulent axisymmetric flow around a stepped body — a cylinder with coaxial front and rear disks — has been calculated with the aid of a VP2/3 package based on multiblock computational technologies and the generalized procedure of pressure correction. The computational model has been tested with the example of a supersonic flow around a sphere. The numerical forecasts made with the use of Spalart–Allmares shear stress transfer and eddy viscosity transfer models have been compared with the data of the aeroballistic experiment, wind tunnel tests, and the results of the calculation of the flow around the disk–cylinder arrangement by a simplified zonal model in a wide range of variation of the incident flow Mach number (from 1.5 to 4). We have obtained a good agreement between the calculated transverse flow density distributions in the front stalling zone and those determined from the interferograms for the wave-drag-rational disk–cylinder arrangement. The influence of the rear disk on the drag of the disk–cylinder–disk arrangement has been estimated.
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Translated from Inzhenerno-Fizicheskii Zhurnal, Vol. 84, No. 4, pp. 764–776, July–August, 2011.
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Isaev, S.A., Lipnitskii, Y.M., Mikhalev, A.N. et al. Simulation of the supersonic turbulent flow around a cylinder with coaxial disks. J Eng Phys Thermophy 84, 827–839 (2011). https://doi.org/10.1007/s10891-011-0540-6
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DOI: https://doi.org/10.1007/s10891-011-0540-6