一种空投型高速模型总体设计方法研究

Research on the Overall Design Method of Air-launched High Speed Model

系统梳理了空投型高速模型设计与飞行试验的难点问题。以国外典型气动布局飞机为研究对象,在确定相似设计准则的基础上,通过分析涡轮发动机对总体设计参数及飞行性能的影响,提出了一种采用飞机挂飞投放+内埋小型助推火箭的高速模型飞行试验方法。建立了固体火箭发动机几何、重量、性能的参数化模型,初步权衡模型飞机分离点高度、速度影响,提出了飞机与发动机一体化总体参数计算方法与流程,通过动力学仿真验证了设计案例的准确性。以上研究成果可为高速模型总体设计提供借鉴。

The design of air-launched high-speed model and the difficulty of flight test are combed systematically.Based on the determination of the similarity design criteria and the analysis of the effects of turbine engines on the overall design parameters and flight performance,a method of high speed model flight test using air-launched and rocket-powered is presented,and the geometric,gravimetric and dynamic parameters of solid rocket motor are calculated.The paper puts forward the calculation method of aircraft and engine integrated parameters,and validates the accuracy of the design case by dynamic simulation.The above research results can provide reference for the overall design of high speed model.