velocity ratio
速度比;传动比;潮速比
2025-11-02 02:00 浏览次数 14
速度比;传动比;潮速比
1. the ratio of a distance through which any part of a machine moves to that which the driving part moves during the same time
a major problem in design of start-stop mechanism is expressed in terms of the relationship between two angular velocity ratio and, and the increase in and decrease in , arc also dealt with.
文中还将启闭机构设计中后箱板关闭的可靠性问题,以两个角速度比和的关系来表示,同时还对如何增大和减小进行了讨论。
because has cancelled the gear drive, therefore its velocity ratio may change at will, the speed change is smoother, has not shifted gears kicks the feeling.
由于取消了齿轮传动,因此其传动比可以随意变化,变速更加平顺,没有换挡的突跳感。
the intrinsic frequency of p-wave increases because of existence of apparatus and its amplitude has been influenced by velocity ratio of p-wave vs s-wave.
纵波的固有频率因仪器的存在而增大,纵波幅度还受地层的纵、横波速度比的影响。
the relationship between extent of reverse flow and velocity ratio as well as the relationship between extent of reverse flow and geometric parameters of the slot are also investigated.
同时,给出了射流背流面逆流区长度与流速比、喷口形状因子之间的关系。
the computed characteristic scales of the upstream vortex show distinguished three-dimensionality and vary with the velocity ratio and the water depth.
计算得到了上游壁面涡的特征尺度,结果表明上游壁面涡具有高度的三维性,其特征尺度依赖于流速比和环境水深。
further, the disturbance velocity ratio curves for different properties of particles and flow-field are given out by means of numerical simulation.
通过数值计算,得到了不同雷诺数及固粒属性下固气扰动复速度比值曲线。
the factors of the timing system and wadati's method affecting the accuracy of seismic velocity ratio are discussed and analysed.
本文对影响波速比方法的时间服务系统和和达法的局限性进行了分性析和讨论。
and finally, the feasibility of analysing the numerical solution with velocity ratio is verified with the experiment results from …
并结合模拟井的实验结果,验证用速度比分析数值解的可行性,得出了不同边界条件下持水率的解空间。
moreover, the effects of the initial fluctuating velocity, density and velocity ratio of mixing layers on the mixing layer had also been calculated numerically.
同时还讨论了混合层初始状态条件下不同扰动、不同初始速度比以及不同初始密度比对混合层演变过程的影响。
universal formula in the calculation of transmission velocity ratio of mechanisms having multiple structural components using the unit method was obtained.
经过将多构件机构中的传动形式归纳为两种传动单元,推导出用传动单元法计算多构件机构传速比的通用公式。
in the paper the calculation method of form center position and velocity ratio of upper and lower rolls was introduced.
本文介绍了确定形心位置与上下辊速比的计算方法。
but this effect of the main flow to the flow inside the hot jet tube disappears after the velocity ratio become larger than 0 05.
在射流管内,低流速比时存在有紊动区,当流速比大于00 5以后,射流管内温度已不受主流的影响。
the electron beam is equivalent to transmission-line inner conductor. a ceramic capacitance divider is proposed for velocity ratio measurements.
提出将电子束作传输线内导体等效,采用陶瓷电容分压器来测量速度比的方法。
for the tight sandstone containing gas, only velocity ratio of p wave to s wave and poisson ratio are sensitive to fluid variation.
而对于致密含气砂巖,纵、横波速度比及泊松比对流体变化相对较为敏感。
the analysis result shows that velocity and density can sensitively reflect the change of porosity, and the velocity ratio can sensitively reflect the change of saturation.
结果表明,波速度、介质密度对孔隙度的变化较为敏感,速度比值对饱和度的变化较为敏感。
given the velocity ratio of s-to p-waves, the depth of reflector and the offset, the horizontal distance between source and the converting point can be determined by solving a quartic equation.
如果我们已知介质中横波与纵波速度的比值、水平界面的埋藏深度和炮检距,炮点到共转换点的水平距离就可以通过解一个四次方程求出。
the a/ aanomalies correspond approximately with the velocity ratio anomalies of seismic waves and duration ratio of the seismic waves.
异常与波速比、振动持续时间比异常大致同步出现。
the general expression of friction factor for gas phase is derived, then the new expressions of void fraction and velocity ratio of gas to liquid are given and discussed.
首先推导出气相摩擦乘子的一般表达式,然后求得空泡份额与滑速比的解析式,并进行了分析讨论。
different values of velocity ratio (rv) between the two rollers were considered to examine its effect on the microstructure, texture and mechanical properties of the processed sheets during dsr.
本研究对铸轧条带采用了不同异速比的异步轧制工艺,开展了微观组织、织构分析和力学性能等研究。
it is important to determine each angular velocity ratio of gear train for design of gearings.
设计多级齿轮减速器,传动比如何分配是十分重要的。
this paper presents an adaptive control algorithm of dual ac motor drives according to thecharacteristics of the fixed velocity ratio drives in engineering machinery.
针对工程机械定速比传动的特点,提出一种交流双机定速比传动自适应控制方法。
the results show that particles mix more rapidly than their gas carrier, smaller particles disperse more rapidly than larger ones, and a larger gas velocity ratio enhances particle dispersion.
研究表明,当颗粒处于环形射流中时,颗粒的弥散速率高于气相的混合速率,小颗粒的弥散速率高于大颗粒的弥散速率,颗粒弥散受气流速比的影响较弱。
this kind of transmission is novel in design, its craft is simple, and has the multi-teeth to mesh, the velocity ratio in a big way, the bearing capacity is strong, the efficiency higher merit.
此种传动设计新颖,工艺简单,并具有多齿啮合、传动比大、承载能力强、效率高等优点。