查询词典 transient time

Base on the Fluent software,the time-average N-S equation,RNG k-ε turbulence modeling,P1 radiant modeling and particle track modeling,example for boost motor PQM-1 of Titan 4,by using flow-solid coupling boundary condition,the 2D axial symmetry gaseity fluid modeling and two phase fluid modeling were founded and the influence of coagulate particle to the flame-spread process in large aspect ratio SRM ignition transient were analyzed.

0引言固体火箭发动机点火过程是点火燃气流动与火焰传播相互耦合的过程，即包括点火燃气流动、药柱加热、局部点燃、火焰传播、室压建立等复杂的非定常过程，其中火焰传播在点火瞬态过程中占有重要地位，是发动机点火延迟、压强峰值过高、断续燃烧和熄火的主要因素，因此国内

The step response and impulse response of homogeneous earth half space, marine double half space and four-layer earth models to horizontal electric dipole source were computed in this paper. A concept of transient impulse time was put forward.

本文计算了水平电偶极子源均匀大地半空间，海洋均匀双半空间和海洋四层模型的阶跃响应和冲激响应，提出了瞬变冲激时刻的概念。

Finite element discretization was carried out on the mathematical model to get a fully coupled finite element equation with the parameters of element nodal displacement and element nodal pore pressure as unknown variables. Finally, the transient nonlinear finite element equation in incremental form for reservoir fluid-solid coupling is obtained by means of time discretization in implicit difference scheme.

基于与微分方程等价的加权余量公式，在空间域采用有限元离散，对时间域进行隐式差分格式离散，导出了以单元节点位移和单元节点孔隙压力为未知量的储层流固耦合的非线性有限元增量方程。

In time it achieve new cell ,to being test electromagnetic compatibility capability , one pass industrial inclemency level testing for electrical fast transient and electrostatic discharge and electromagnetic emission interference.

在新单元研发完成后，对其进行电磁兼容性能测试，一次性通过了电快速瞬变脉冲群、静电放电、电磁发射抗干扰度的严酷工业环境等级抗干扰测试。

Critical clearing time is one of the most important stable indices in power system transient stability analysis.

临界切除时间是电力系统稳定问题分析中最重要的稳定指标之一。

In transient state mechanical analysis input ADAMS extracts size and direction along with time variation contact reaction.

瞬态动力分析的输入ADAMS中求出的大小和方向随时间变化的接触反力。

In this dissertation, the transformation of domain integral to boundary integral which rises in the transient problems was studied theoretically, and the idea of local triangulization was introduced for the first time to deal with the corner problem.

对于瞬态问题的处理方面，本文在理论上研究了区域积分——边界积分的转换过程，并首次引入局部三角化的概念处理了尖角问题，实现了不连续量的精确计算。

With the increase of the engineering applications of broadband signals and non-linear systems, the study of time domain integral equation methods for analysis of transient electromagnetic scattering and radiation phenomena is more and more active.

随着宽带信号和非线性系统的工程应用日益增加，用于分析瞬态电磁散射和辐射现象的时域积分方程方法研究也日趋活跃。

Prony's method has been combined with time domain integral equation to solve transient response from arbitrary thin wire structure.

将时域电场积分方程法和普朗尼方法结合，求解了任意细线结构的瞬态电磁响应问题。

A new method of obtaining secondary electron yield and secondary Cs〓 ionization probability by detecting target current and primary ion current under Cs〓 bombardment is put forward The dependence of Cs〓 ionization probability on primary ion energy, primary beam current and substrate compositions, as well as the dependence of secondary ion intensity on erosion time during transient period has been studied The mechanisms of secondary ion emission are explained

二、提出了通过测量靶流和一次束流求取Cs〓轰击下二次电子产额和二次Cs〓离化率的方法，实验研究了一次离子能量、束流强度及不同基体对二次Cs〓离化率的影响和瞬态过程中二次离子强度的变化规律，并对发射机理做了解释。

Neither the killing of Mr Zarqawi nor any breakthrough on the political front will stop the insurgency and the fratricidal murders in their tracks.

在对危险的南部地区访问时，他斥责什叶派民兵领导人对中央集权的挑衅行为。

In fact,I've got him on the satellite mobile right now.

实际上 我们已接通卫星可视电话了