| 1. | Pitching moment coefficient 俯仰力矩系数
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| 2. | Heeling moment coefficient 倾侧力矩系数
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| 3. | Rolling moment coefficient 滚动力矩系数
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| 4. | The in - plane stability and in - plane equivalent moment coefficient of tapered column 多个弹性支承上轴心受压杆件的弹性稳定
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| 5. | Finally radial basis function ( rbf ) is adopted to identify the moment coefficient 最后还采用径向基函数神经网络识别了力矩系数。
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| 6. | With the increase of the relative velocity , the variations of side force coefficient and yawing moment coefficient of the overtaken vehicle will increase linearly 被超车侧向力系数和横摆力矩系数的变化量随两车相对车速的增加呈线性增加的趋势。
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| 7. | This paper adopts linear interpolation to deal with data of wind tunnel experiment for sample uav and realizes modeling and simulation of the sample uav with c language in common aerodynamics and moment coefficient 本文采用线性插值处理样例无人机风洞试验数据,采用正常情况下的气动力及力矩系数数学模型,并用c语言实现样例无人机建模与仿真。
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| 8. | In light of the elastic thin plate theory , the author induced equilibrium differential equation of bi - direction cellular slab , which was proved correct through analysis and comparison to result of ansys to with theoretical calculation . through the deflection and bending moment coefficient calculation of bi - direction cellular slab under various boundary conditions , the author brought forward the theory that the deflection of mid - span and bending moment coefficient calculation of mid - span and support of bi - direction cellular slab could be in accordance with solid plates " , which could satisfy the precision of engineering 本文根据弹性薄板理论,导出了双向空腹板的平衡微分方程,并通过理论计算和通用有限元程序ansys结果对比,验证了其正确性;通过对各类边界条件下双向空腹板挠度和弯矩系数的计算比较,本文提出:双向空腹板跨中挠度及跨中、支座弯矩可使用本文空腹板刚度公式查找现有的实心板挠度弯矩系数表进行计算,完全能满足工程精度要求。
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| 9. | 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。
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| 10. | ( 2 ) the results reveal that the pre - swirl ratio has a great influence on the flow field of the rotating disk , even greater than the rotational reynolds number , and an initial constant is induced in moment coefficient cm and average nusselt number nuave correlations , which does not exist in the case of without pre - swirl ( 2 )分析了预旋系数_ r对该旋转盘腔流场的影响,定义了一个新的压力系数c _ p ,该压力系数c _ p沿径向位置的变化对特定的旋转雷诺数re _是一个常数。
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