摘要
基于飞机结冰参量模型对飞机在结冰条件下的飞行动力学特性进行了仿真研究。提出一种飞机结冰参量模型的参数计算方法,并针对一定结冰气象条件下的不同结冰时间对飞机的结冰严重程度进行了评估,基于小扰动理论对飞机结冰前和不同结冰严重程度下的纵向、横侧动稳定性以及操纵响应进行了仿真计算,根据仿真计算结果分析了不同结冰严重程度对飞机造成的影响以及所应采取的对策。
Based on the aircraft icing parameter model, the flight dynamics characteristics of aircraft affected by ice accretion were simulated. A method to calculate the parameters of the model was proposed. The aircraft icing parameter which represents icing severity was calculated under certain icing conditions for different ice accretion time and the corresponding aerodynamic parameters of the aircraft under iced configuration were calculated. The small disturbance equations of the aircraft were employed to study the longitudinal and lateral stability and the elevator, aileron and rudder step response of the aircraft under the clean and different icing severity configurations. According to the results, the effects of different icing severities on the aircraft were analyzed and the corresponding countermeasures were recommended.
出处
《飞行力学》
CSCD
北大核心
2011年第3期4-7,11,共5页
Flight Dynamics
基金
中国博士后科学基金资助(20100471639)
关键词
结冰
飞行动力学
仿真
飞机结冰参量模型
ice accretion
flight dynamics
simulation
aircraft icing parameter model
