TECHNICAL MECHANICS
ISSN (Print): 1561-9184, ISSN (Online): 2616-6380

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UDC 532.516

Technical mechanics, 2016, 4, 24 - 34

NUMERICAL SIMULATION OF SUPERSONIC FLOW OVER ZENIT-2SLÁ LAUNCH VEHICLE

N. V. Grishin, A. A. Prikhodko

N. V. Grishin
StateEnterprise “Design Bureau “Yuzhnoye” named after M. Yangel”
Ukraine

A. A. Prikhodko
Dniepropetrovsk National University named after Oles Gonchar
Ukraine

      The results of a numerical simulation of a supersonic flow over the Zenit-2SLÁ launch vehicle at angle of attack 5, 15 and 25 degrees are presented. Attention in this work is devoted to obtaining the proved three-dimensional vortex structure of the flow around the Zenit-2SLÁ launch vehicle. The numerical simulation is based on the unsteady three-dimensional Reynolds-averaged Navier-Stokes equations for a compressible gas. Reference equations are solved by the control volume method. From computations three characteristic regimes of the flow around a rocket body at angle of attack are obtained, including a nonstalling flow around a cylindrical body part, attached and unattached separation of flow at cross section. The simulation results correlate satisfactorily with the existing computations and experimental data.

supersonic flow around, Zenit-2SLÁ launch vehicle, Navier-Stokes equation, numerical simulation.

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