俯仰力矩 meaning in English
elevation moment
longitudinal moment
moment in pitch
moment; pitching
pitch moment
pitching couple
pitching moment
trimming moment
Examples
- A variable pitching moment is provided by moving the elevator .
俯仰力矩的变化由升降舵的偏转来提供。 - Pitching moment coefficient
俯仰力矩系数 - The complicated aerodynamics characteristic of spinning projectile with lateral jets and with attack angle is studied detailedly . the formation and changes are analyzed including magnus force , normal force , yawing moment , pitching moment and pressure center
系统分析了旋转侧喷弹丸复杂的空气动力学特性，分析了马格努斯力系数、法向力系数、偏航力矩系数、俯仰力矩系数和压力中心等参数的产生机理和变化规律。 - The aerodynamic characteristics of a projectile with wrap around fins are studied systematically in this paper , as follows : 1 . the lift coefficients 、 drag force coefficients 、 pitch moment coefficients 、 pitch damping moment derivatives and roll damping moment derivatives are obtained from engineering calculation through looking wrap around fins as flat fins of the same projection aera
本文对某卷弧尾翼弹气动特性进行了系统研究,主要内容与结论为: 1 .将卷弧翼按照相同投影面积的平板翼进行工程估算,得到升力系数、阻力系数、俯仰力矩系数、俯仰阻尼导数、滚转阻尼导数曲线。 - Based on the mechanism of slipstream interaction , described in this thesis is firstly the interaction of the propeller slipstream with the wing 、 fuselage and horizontal tail . subsequently , the changes in lift 、 drag and pitching moment are derived , giving an engineering model for the prediction of the increments in the aerodynamic characteristics caused by the interference between the propeller slipstream and the other parts of aircraft . this method offers a powerful means to the calculation of the aerodynamic interaction between the propeller and the aircraft , providing reliable data for the design of and aerodynamic calculation on propeller - powered aircraft
本文以滑流干扰的机理为出发点,研究了螺旋桨滑流与飞机机翼、机身、平尾组合体之间的相互影响,推导出滑流引起的飞机升力、阻力和俯仰力矩的变化,给出了滑流干扰对机体气动特性影响的工程估算方法,为研究螺旋桨与飞机部件之间的相互干扰提供了有力的工具,为以螺旋桨发动机为动力的飞机的设计和气动计算提供可靠的依据。