本文研究二维厚度翼型的大攻角非定常运动。
The unsteady motion of a two-dimensional thick airfoil at high angles of attack is considered in this paper.
作者引出了在凝结反馈作用下非定常运动中的频率公式和定常运动下的波速公式。
The frequency equation for the non-stationary case is given with the feedback of condensationtaken into consideretion.
当降落伞在空气中作非定常运动时，空气动量的变化率必须包括在降落伞的运动方程中。
As a parachute canopy moves unsteadily through the air, its equations of motion must include the rate of change of momentum of the air in which it is immersed.
用数值方法模拟了竖直通道宽度对气泡在液体中的非定常运动、变形以及传热特性的影响。
The motions, deformation and heat transfer characteristic of a rising gas bubble through the liquid in a vertical channel are numerically predicted in this paper.
哈斯·金德用复变函数理论讨论了微弯滑行板的非定常运动，获得了计算水动力的一般公式。
Haskind discussed the non-steady motions of small curved planing plate by using the theory of complex functions, and obtained the general expression of hydrodynamic forces.
但在实际问题中，常需要了解亚音速机翼作完全非定常运动时气动力的变化规律，目前能作这种计算的方法还不多。
The method is capable of computing the varying aerodynamic force or velocity field in time domain over wings with arbitrary motion.
用欧拉方程计算非定常气动力，在时域内求解结构运动方程。
Euler equations are applied to calculate the aerodynamic forces, when the time-domain method is used to solve structural motion equations.
将非定常势流理论用于应急上浮运动流场分析与水动力计算。
The unsteady potential flow theory is used to analyses the flow field and hydro-dynamic calculation.
文中利用一维等熵非定常气体的运动方程计算系统的各参数，并把所得参数作为设计和试验的参考数据。
Kinematic equation of one-dimensional isoentropic nonsteady air was used to calculate system parameters for reference of design and experiment.
应用该模型对某飞机模型做俯仰滚转耦合运动的非定常气动力进行了辨识。
Using the model the unsteady aerodynamics of one aircraft in pitching-rolling motion is identified.
矿井火灾时期，火源巷道内高温烟流运动为三维非定常的流动及传热传质过程。
The movement of high temperature smoke in a fire road during mine fire was a three dimensional unsteady flow which is accompanied with heat and mass transfer.
矿井火灾时期，火源巷道内高温烟流运动为三维非定常的流动及传热传质过程。
The movement of high temperature smoke in a fire road during mine fire was a three dimensional unsteady flow which is accompanied with heat and mass transfer.
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