为了得出某型运输机螺旋桨在飞行中的实际使用效率,根据螺旋桨和发动机的安装情况,经受力分析,决定尝试通过应变法测量螺旋桨的有效拉力来计算其使用效率.通过对地面加载试验及数据处理方法的研究探索,给出了计算螺旋桨拉力的载荷方程.并通过试飞对载荷方程进行验证,以探索应用应变法测量螺旋桨拉力方法的可行性.%In order to obtain the practical propeller efficiency of X-type transport airplane in flight, based on propeller and engine' s installation condition as well as force analysis, strain method to measure the effective propeller thrust is adopted. After research on load test on the ground as well as data processing method, load equation for measuring propeller thrust is worked out and further verified in flight test with the aim to explore the feasibility of strain method in measuring propeller thrust.
展开▼
