在高速直线电机设计中引入一个新的纵向边端效应系数表达式。
A new expression of longitudinal end effect factor is introduced to the design of high speed linear induction motor.
阐述了以动态规划法按最小总张力系数对高速线材轧机精轧机组孔型进行优化设计的方法与实例。
The method and example of pass optimization design of high speed wire rod finishing mill by dynamic programming with minimum total tension coefficient are described.
通过建立线材连轧流量方程,推导出拉钢系数与轧件拉缩宽度的关系式,并借此分析高速线材头尾超差问题。
The relationship between the pulling coefficient and the width of pull contract for rolled piece was derived by means of establishing flow equation during continuous rod rolling.
本文扼要地介绍了高速船螺旋桨设计中碰到的螺旋桨选型问题、相互作用系数选取问题以及某些图谱和经验公式的应用。
This paper concisely describes the selection of propeller type and interaction coefficients for high speed, and gives the application of some diagrams and empirical formulas.
本文介绍高速输送带弹性振动的基本公式,阐述我国目前常用几种输送带的圆柱刚度和杨氏弹性模量等振动系数的计算法。
This paper introduces basic formulas of elastic vibration of conveyor belt and the calculation of its vibration coefficients e. g. cylindrical rigidity and modulus of elasticity.
结果表明,高速列车通过时跨线天桥表面受到空气压力波的作用,压力系数的波动范围为-0.135~0.095。
Results of the computations show that on overline bridge a pressure pulse occurs while a train passes. the coefficients of the pressure pulse range from-0.135 to 0.095.
对比分析了高速钢与高铬铁轧辊在热凸度、摩擦系数、氧化膜特征、抗事故性等方面的区别;
Some differences between the rolls of high-speed steel and high-chrome iron in hot crown, friction coellieient, characteristics of oxidative film and anti-accident and so on are analyzed.
折射率、色散和吸收系数是用于超高速全光开关的光学材料的重要品质指数。
Refractive index, chromatic dispersion and absorption coefficient are material figures of merit for ultrafast all optical switch.
采用同炮检距道集进行迭代叠加和乘模型系数道叠加,可以提高速度分析的精度。
The velocity analysis accuracy may be raised by applying iterative stacking method and multiplying model trace stacking method to common-range gathers.
对于高速铁路大断面黄土隧道严格的设计计算而言,黄土隧道围岩的弹性抗力系数、变形模量和压缩模量十分重要。
Elastic resistant coefficient, deformation and compressive moduli of surrounding rock in large-section loess tunnel are very important for design of tunnel.
研究表明,随着气流马赫数的增加,吸声结构的消声系数明显下降,微穿孔板的非线性声阻和声质量修正值都略有减少。更需注意,在高速流条件下吸声结构的共振峰将会发生偏移。
It is shown that the attenuation coefficient will decrease obviously with the increase of Mach number, and the nonlinear acoustic resistance and acoustic mass will reduce slightly.
在高速升温段,由于局部炉气分布不均匀,修正换热系数较大;而在预热和保温段,计算所得的修正换热系数较小。
The corrected heat transfer coefficient is large in the high-speed heating process due to the local an uneven furnace atmosphere distribution, and is small in the preheating and holding period.
围绕超高速这一特点,对系统的相位噪声、接收机噪声系数、发射功率、系统门限接收电平等作详细的论证,以确定总体设计方案。
Round the feature of the ultrafast speed, make the detailed description of phase noise, receiver noise figure, launch power, threshold level of system.
扩张角的增加可提高速度环量,但是流动混合损失增加,总压恢复系数减小。
The increase of lobe diffusion angle results in the increase of velocity circulation at the lobe exit section, but it raises the mixing loss and lowers the pressure recovery coefficient.
扩张角的增加可提高速度环量,但是流动混合损失增加,总压恢复系数减小。
The increase of lobe diffusion angle results in the increase of velocity circulation at the lobe exit section, but it raises the mixing loss and lowers the pressure recovery coefficient.
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