We have established the continuity equations under train pipe leakage condition and presented an explicit finite difference method to solve the pressure-velocity coupling equations.
建立了考虑列车管泄漏的连续性方程,给出一种求解压力速度耦合方程的显式有限差分算法。
LFMCW radar, with its LPI characteristic and greater advantage over monopulse radar in the ambiguity of range and velocity coupling, has always been an important topic in the radar research field.
线性调频连续波雷达具有低截获特性,在距离速度解模糊方面比普通的脉冲雷达具有较大优势,一直是雷达研究领域的一个重要课题。
The discretized schemes of the convective fluxes, diffusive fluxes and unsteady term are all of second -order accuracy. The SIMPLE algorithm is adopted to deal with the pressure-velocity coupling.
对流项、扩散项和非恒定项的离散格式均具有二阶精度,利用SIMPLE算法处理压力-速度耦合。
Coupling the Bernoulli's equation and critical tractive stress theory, a critical hydraulic gradient model based on critical velocity is developed.
结合伯努里方程和临界牵引力理论,得到了基于临界速度的临界水力梯度公式;
This dynamometer using permanent magnetic eddy load, without any contact, can avoid the velocity limit of mechanical bearing and coupling.
此测功机采用非接触式加载——永磁涡流加载,可以避免机械轴承和联轴器的速度极限的限制。
On the basis of the principle of range-Doppler coupling of linear frequency modulation signal, a new method of radial velocity estimation for high coupling coefficient is presented.
本文在分析了线性调频信号距离—多普勒耦合原理的基础上,提出了一种高耦合系数条件下径向速度估计的新方法。
The temperature field and concentration field are solved by coupling the energy and species conservation equations as well as the velocity similar solution.
温度场与浓度场是用联立能量与组份守恒方程以及相似的速度场求解得到的。
In addition, an amplitude interpolating method is given to resolve the range coupling shift caused by velocity estimated error.
此外,本文还提出了另一种幅度内插的方法,很好地解决了速度估计误差造成的距离耦合时移问题。
The distributions of. temperature T, density N and velocity V are given using the equations coupling the MHD waves with the coronal atmosphere.
本文利用MHD波与日冕大气耦合的磁流体动力学方程组,计算得到冕洞内的日冕大气的温度T、密度N和流速V的分布。
Coupling control equation of system was presented based on assumption method and change tendencies of critical velocity for flutter with both gap and the thickness of beam were discussed.
采用假设模态法建立耦合控制方程。分析系统的颤振临界流速随间隙和板厚的变化规律。
The linearized inversion was undertaken by DE coupling velocity parameters from reflector depths.
线性化反演是通过从反射界面深度由分离速度参数迭代进行的。
The dynamical behaviors of subsystem in coupling chemical reaction system with time delay as well as velocity perturbation were studied by numerical simulation.
在耦合自催化反应系统中,采用数值分析方法研究了考虑时滞效应和流速扰动时子系统的动力学行为。
The coupling between the transverse velocity and electromagnetic perturbation is considered.
考虑了横向扰动速度与电磁场扰动的耦合。
The influence of flowing velocity, pressure, solid_liquid coupling damp and solid_liquid coupling stiffness on natural frequency are discussed respectively.
讨论了流体的流速、压强变化以及固—液耦合阻尼和固—液耦合刚度对管道固有频率的影响;
The distribution of the temperature field in solidification zone was gained by coupling calculating of velocity field and temperature field.
通过速度场与温度场的耦合计算,得到了凝固区的温度场分布情况。
The coupling variable can be displacement , velocity or acceleration.
耦合的变量既可以是位移,也可以是速度、加速度。
The structural parameters of incising wire system are changed by rolling diameter and the coupling between between tension and velocity is strong, which relations are analyzed.
分析了切丝张力系统卷径时变引起结构参数变化,以及切丝张力与速度之间的耦合关系。
The latter has high coupling coefficient, low acoustic velocity and excellent temperature stability.
后者具有高的耦合系数,低的声速,好的温度稳定性。
The N-S equations were discretized by the finite volume method in body-fitted coordinates and the coupling of pressure and velocity was implemented with the compressible form of SIMPLE algorithm.
N - S方程的求解采用贴体坐标系下的有限容积法,速度和压强的耦合采用可压缩的SIMPLE算法。
In the research of water hydraulic technology, flow field simulation is done by the method of Fluid-Solid coupling, leading to the pressure nephogram and velocity vector of the pump model.
在水压技术理论研究方面,应用流固耦合理论对水压齿轮泵进行了二维流场的仿真分析,得出了其流场压力云图和速度矢量图。
The influences of the electronic velocity on the mean number of phonons of the strong-and weak-coupling polaron in a semiconductor quantum dot are derived.
导出了电子速度对半导体量子点中强、弱耦合极化子的声子平均数的影响。
Based on the fact that a chirp radar signal has a strong coupling between time and velocity, a deceptive jamming technique with shift frequency is proposed.
本文基于线性调频脉压信号在时间和多卜勒频率间存在强耦合的事实,提出用移频干扰实现欺骗干扰的方法。
The orthogonal method and multiple-domain coupling numerical simulation are used to explore the influence of structural parameters on piezoelectric micro synthetic jet velocity.
压电式微型合成射流器的结构参数对射流速度有极大影响,然而各结构参数的影响规律及程度无法用单因素考查法来确定。
The better effect could be achieved on the automatic control for the velocity regulation while the fuzzy PID controller is applied to the velocity-regulated liquid coupling.
这一模糊PID控制器对于调速型液力偶合器调速自动控制效果是比较好的。
The better effect could be achieved on the automatic control for the velocity regulation while the fuzzy PID controller is applied to the velocity-regulated liquid coupling.
这一模糊PID控制器对于调速型液力偶合器调速自动控制效果是比较好的。
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