阻尼器的结构尺寸、体介质密度是影响阻尼力矩系数的决定因素。
Structure size and liquid medium density are decisive factors affecting damping moment modulus.
阻尼器的结构尺寸、体介质密度是影响阻尼力矩系数的决定因素。
Studies of Effects of System Operating Condition Variation on Oscillation Modes and Damping Torques;
列车的横风倾覆力矩特性包括横风倾覆力矩系数和风速取值两个方面。
The lateral winds-overturning moment characteristics of trains include both a overturning moment coefficient and the selections of the wind speed value.
本文给出了由风洞试验确定的倾覆力矩系数,并对风速取值提出了一些建议。
This paper gives the overturning moment coefficients that had been determined by the wind tunnel experiments, and brings up the Suggestions about selecting wind speed value.
给出了反馈力矩系数,分析了力矩系数对提高加速度表量程和保证精度的作用。
The moment reactive coefficient is given, and the effect of moment reactive coefficient on expanding the measurement range and improving the accuracy of force-balance accelerometer is analyzed.
由此计算出飞行器的法向力、轴向力和俯仰力矩系数,计算结果与实验数据相符。
The aerodynamic coefficients such as the normal force, axial force, and the pitching moment of the ve-hide computed by the local method are in good agreement with the experimental data.
铰链力矩系数在失速迎角达到之前就发生突变,可以更安全地用来预测失速的发生。
The hinge moment coefficient breaks before the stall of Angle of attack and can be used for predicting stall more safely.
分析了升力矩系数和扭转刚度的非线性特性对于稳定条件、失稳点以及失稳机理的影响。
The effect of nonlinearity of pitch moment coefficient and module of rigidity of torsion on conditions of stability, instability points and instability mechanism is analyzed.
考虑了不同飞行攻角、不同燃料流率下气动参数,包括升力系数、阻力系数和俯仰力矩系数的变化规律。
The change rules of aerodynamic parameters including lift coefficient, drag coefficient and pitch moment coefficient have been analyzed when Angle of attack and fuel flow rate is changed.
永磁同步电动机系统具有力矩系数大、力矩波动小以及控制灵活等优点,在许多精密伺服控制系统中得到广泛应用。
Due to the large torque coefficient, small torque ripple and ease of control, permanent magnet synchronous motor (PMSM) system has been widely used in many accurate servo control systems.
根据由李亚普诺夫定理导出的综合阻尼系数的原理,统一定义了同步发电机的动态阻尼力矩系数和动态同步力矩系数。
A unified definition for damping torque coefficient of synchronous machines is proposed in this paper according to the principle of synthetic damping coefficients deduced from the Lyapunov Theorem.
结果表明:雷诺数对阻力系数影响较大,现场实测值比风洞试验所得值小约15%,对升力系数及力矩系数影响较小。
The drag coefficient derived from filed measurement was 15 percent less than that of wind tunnel test. On the contrary Reynolds number has a minimal effect on lift force and moment coefficient.
研究结果表明,结构尺寸、液体介质密度确定的阻尼器的阻尼力矩系数接近一常数,阻尼力矩基本上与阻尼器的转子转速的平方成正比;
Results show that damping moment modulus of damper with given size and liquid medium is almost constant and basically in direct proportion to square of rotor speed.
采用流场数值模拟计算方法,计算了横风作用时的垂向气动升力系数、气动横向力系数和侧滚力矩系数,得出各系数与车辆速度和风速之间的变化关系。
Using numerical computation of fluid flow, the coefficients of vertical force, lateral force and rolling moment caused by cross-wind were calculated, which were related to train speed and wind speed.
分析了车辆的制动过程,阐述了制动力矩、制动减速度与地面附着系数之间的关系。
This paper analyses dynamic feature of vehicle brake and expounds relations between brake torque, brake deceleration and adhesion coefficient on road surface.
采用对油膜压力进行泰勒级数展开的方法,导出了油膜对镜板的作用力和油膜对可倾瓦的力矩的刚度阻尼系数。
Stiffness and damping coefficients of force for film on mirror plate and moment of force for film on tilting pads are derived by making use of Taylor series expression of film pressure.
采用8系数轴承力学模型,考虑到陀螺力矩的影响,对刚性转子进行了动平衡理论分析。
The theoretical analysis of the balancing of the rigid rotor is performed by means of 8-coefficient bearing model and on the basis of taking into consideration the influence of the gyroscopic moment.
矿井提升绞车在计算低频制动电压时,通常采用低频最大力矩是平均力矩1.25倍的折算系数。
We usually take the coefficient 1.25 times the average torque as the low frequency maximum torque to calculate the low frequency braking voltage.
本文从力矩的角度出发,得出了要实现物料的滚落状态,可以提高物料与窑壁间的摩擦系数,并提出了具体方法。
It was indicated that enhancing the friction between the material and the rotary kiln wall is easy to carry out the rolling motion from the aspect of force moment.
在烧蚀滞后滚转力矩的计算方法中,本文主要介绍滞后引射率和粗糙度对壁面摩擦系数联合影响的一种快速计算方法。
In the calculations of roll torque of ablation lag, a rapid method for calculating combined influence of ablation injection and roughness on skin friction coefficient is mainly described.
针对同时受力和力矩的模型,采用限制刚度系数的方法得到了复合载荷形式的2R伪刚体模型参数。
For the combination of external force and moment lord, the parameters of 2R PRBM for the complex loads is obtained by limiting the spring stiffness coefficient.
讨论了使用综合阻尼力矩求解线性最优励磁控制器的状态反馈系数的原理,它较经典的庞特里亚金法易懂。
The principle of using comprehensive damping torque to solve feedback gain of linear optimal excitation controller is presented.
从基于微机械光电系统(MOEMS)的倾斜下电极扭臂式光开关出发, 求解雷诺方程, 得到空气压膜阻尼系数和阻尼力矩的分析公式。
This paper presents theoretical analysis for the effect of air squeeze film damping on a micro-opto- electro -mechanical systems (MOEMS) optical switch with a slant lower electrode.
然后,根据差速器的转矩分配特性,讨论在不同附着系数的路面上,采用互逆式中央制动器时可以分配到前后轴每个车轮的制动力矩。
Combined with the analyses of front and rear shaft, each wheel's braking torque and automobile's braking stability is analyzed when the automobile brakes.
对轧制力矩的计算考虑了变形参数对力臂系数的影响,从而使力矩的计算更为贴近实际。
Furthermore the influence of geometry parameter in distortional section on arm coefficient is considered in calculating of rolling moment, which makes results agree with the fact values.
型断面阻力系数雷诺数效应与近流线型断面规律相反,升力矩及升力系数雷诺数效应不明显;
Between the two type deck sections, the trend of mean drag coefficient varying with Reynolds number is opposite to each other, which challenges the traditional opinion on the blunt section;
型断面阻力系数雷诺数效应与近流线型断面规律相反,升力矩及升力系数雷诺数效应不明显;
Between the two type deck sections, the trend of mean drag coefficient varying with Reynolds number is opposite to each other, which challenges the traditional opinion on the blunt section;
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