Initial Behavior Characteristics of Guided Missiles Launched from a Helicopter According to Launch Conditions
Journal of the Korean Society for Aeronautical & Space Sciences(2023)
摘要
Guided missiles launched from helicopters can experience unstable behavior due to the downstream of the main rotor. Therefore, it is necessary to accurately predict the downstream of the rotor and analyze the initial interaction between the downstream and the guided missile. In this study, the initial behavior characteristics of guided missiles launched from a helicopter under various launch conditions were analyzed through computational simulations. A three-dimensional unsteady CFD simulations were performed on the entire configuration of the helicopter, and the rotation of the rotor and the launch of a guided weapon were simulated. The difference in initial behavior of guided missiles according to the flight condition of the helicopter was observed, and the behavioral characteristics according to the launch location of the guided missiles were analyzed. As a result of the analysis, it was confirmed that the influence of altitude was different depending on the flight condition, hovering or forward flight, and the behavior of guided missiles was different depending on the firing location.
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关键词
Helicopter, Guided Missile, Downstream, Launch Condition
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