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最小离地速度(Vmu)试飞是民用飞机最大性能起飞的试验机动,是在地面效应影响条件下飞机的低速大迎角试飞科目,试验难度大、风险高。针对受几何结构限制的民用运输类飞机Vmu的试飞设计和风险控制技术,研究不同飞机Vmu试飞状态矩阵选择方法,总结Vmu试飞的风险控制技术,对深化国内Vmu试飞技术研究并应用于未来客机型号具有非常重要的作用。
The minimum ground speed (Vmu) test is the test maneuver of the civilian aircraft taking off its maximum performance. It is a test aircraft with a low angle of attack at high angles of attack under the influence of ground effect. It is difficult and risky to test. Aiming at the test design and risk control technology of civil transport Vmu which is limited by the geometric structure, this paper studies the selection method of Vmu flight status matrix of different aircraft, summarizes the risk control technology of Vmu test flight, studies the deepening domestic Vmu test technology and applies to the future passenger aircraft model Has a very important role.