initial velocity造句

• At the same time , the mathematical models of the electric field and the flow field distribution were established from the theory of electrostatic enhancement of heat transfer . employed finite differential method and over - relaxation iteration method , according to certain boundary conditions in the wire - plate electrode space , the electric field and the flow field in the wire - plate space were numerically simulated under different initial velocities of r11 stream and different magnitudes of applied voltage . the calculation results agreed with theoretical analysis satisfactorily
  同时从静电强化换热理论出发，建立了表征线板电极间的电场和流场分布的数学模型，并根据线-板电极间的边界条件，利用有限差分法和超松弛迭代法，分别就不同气流初速度和不同外施电压的情况下，对线-板空间的电场和流场进行了数值模拟，计算结果与理论分析基本一致。
• At the same time , the thickness of target should also be in accord with the impact velocity . experiments of quasi - isentropic loading to 93 w alloys by 93w - ofc - tc4 - a1 - mbz system flier - plate with graded wave impedance were performed on light gas guns . the corrected visar - measured wave profiles were profiles with an initial velocity jump followed by a stepwise - rising front to the peak velocity amplitude , indicating that quasi - isentropic compression energy waves had been successfully generated
  在轻气炮上利用研制的93w - ofc一tc4 . ai一mbz系波阻抗梯度飞片实现了对93w合金(靶材料)的准等嫡压缩，经修正后的测试波形都是由一个较弱的初始速度跳跃和一段呈阶梯状缓慢上升的波阵面前沿所组成的准等嫡压缩波。
• Firing error caused by using the nato meteorological layer - weight , by using the approximate meteorological layer - weight and by using the exact meteorological layer - weight under different initial velocity and different ballistic coefficient is analyzed . firing error caused by air - layer numbers of trajectory are set forth
  讨论了在不同初速和弹道系数下用北约层权、近似层权和准确层权计算的射击诸元精度，阐明了利用准确层权及近似层权时弹道分层数对射击精度的影响、不同初速与弹道系数下分层数与精度的关系。
• Spectral method and spectral element method are both used in the present dns . the flow is developed from an initial velocity field whose mean and root mean square values are fitted to the experimental data . the reynolds number of the flow is 2250 based on the mean velocity and the radius of the pipe
  本文在空间离散上采用谱方法和谱元法的结合，通过在圆管层流速度剖面上叠加随机扰动作为初始场的方法，计算了管长为，平均雷诺数为2250的光滑圆管内的湍流流动，建立了圆管内较低雷诺数下速度场和压力场的数据库。
• The authors established an initial velocity model based on the first break time of the actual data , then realized the forward calculation with the improved shortest path ray tracing algorithm , and applied the improved constrained damped simultaneous iterative reconstruction technique ( cdsirt ) to solve large - scale and sparse equations for inversing the near - surface velocity field
  根据实际地震数据的初至波时间建立初始速度模型；采用改进的最短路径射线追踪算法进行正演；利用改进的约束带阻尼联合迭代重建技术( cdsirt )求解大型、稀疏的方程组来反演近地表的速度场。