| Citation: | LIU Liyuan, LI Yachao, YAN Chaoet al. Numerical simulation of effect of nozzle layout on jet lateral control for missiles[J]. Journal of Beijing University of Aeronautics and Astronautics, 2017, 43(8): 1632-1639. doi: 10.13700/j.bh.1001-5965.2016.0603(in Chinese)
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In order to keep the motility in the thin atmosphere, air vehicles usually employ reaction control system (RCS), but in supersonic flow, it leads to complex jet interaction flow field on the surface of air vehicles, which has enormous influence on flight control. In order to improve the regularity understanding of jet lateral control, a model without any vane and a model with four tail vanes were used to study the sonic jet control effects in supersonic cross-flow by numerical simulation. The investigation of the influence of the jet location on the jet lateral control was conducted and the quantitative analysis of the contribution of different characteristic regions on the sweep to the jet lateral control was given. The numerical results indicate that as to wing-body configuration, the backward moving of the jet location and the increase of Mach number observably improve the jet lateral control effect; the amplification coefficient of the jet interaction force increases with the increasing angle of attack, and decreases with the increasing static pressure on condition that the jet is located before the tail vane; however, the law is opposite on condition that the jet is located after the tail vane; wing-body configuration, compared to body-alone configuration, does not have advantages on jet lateral control effects under some jet location and flow conditions.
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