通过数值求解定常跨音速流的无粘、小扰动方程，根据实心翼型或多孔翼型的边界条件，获得了相应的压力分布。
By numerically solving the inviscid, small disturbance equation in steady transonic regime, with boundary conditions on solid or porous airfoils, the corresponding pressure distribution is obtained.
结果表明，扰动的增长率正比于基本流与扰动间的动能转换率。
The results indicate that the growth rate of perturbation is proportional to that of the energy conversion.
结果表明：当环境流中弱二次切变强度增加（减少）时，扰动动能的最大值增加（减小），扰动动能的变化加速（减速）；
The result indicates:when the weakly secondary shear grows(decays), the maximum value of the perturbation kinetic energy also grows(decays), and the change of the energy accelerates(slows).
我们发现对轴对称扰动稳定的吸积流外激波对非轴对称扰动却是不稳定的。
We find that the outer shock solution, which was previously found to be stable with respect to axisymmetric perturbations, is, however, generally unstable to non-axisymmetric ones.
文中证明了电导率变化引起恒流场和恒压场扰动的基本公式、修正g - L公式以及声场诱发电场扰动公式。
The formula of constant voltage and constant current field perturbation, modified G-L formula and the formula of electrical field perturbation evoked by sound field are derived.
该方案给出了平面引力波通过同时存在高斯束和匀强静磁场背景区域的扰动解，并发现在同步谐振条件下可望得到可供观测的扰动光子流。
Such a scheme says that the resonance would occur when Gaussian beam, uniform static magnetic field and GWs exist in the same area and give detectable signal photon fluxes due to GWs.
接下主要内容介绍了准一维流动，接著讨论扰动流与非稳态流。
The next large block of lectures covers quasi-one-dimensional flow, followed by a discussion of disturbances and unsteady flows.
提出了分别利用时间和空间的周期脉冲扰动，实现开流系统时空混沌控制的方法。
The paper presents a method of controlling the open flow that works by applying spatial and temporal periodic pulses to the system variables.
我们还发现，含有较强快波分量的扰动可从磁层顶剪切流场中获得能量而得到线性放大。
We also find that the fluctuations with stronger fast mode oscillations can gain more energy from the background shear flow and get amplified as a result.
本发明加强了烟气旋流边界层的扰动和混合，使烟气的传热性能增强；
It speeds up the stirring and mixing of the swirling boundary layer of the smokes to improve the heat conductivity of smokes.
本文提出了用小扰动欧拉振幅方程求解振动叶栅非定常流场的方法。
In this paper, the Euler amplitude equation is developed to obtain the unsteady flow field in vibrating cascades.
本文计算了各种条件下绕圆柱的阻力系数、流函数涡量分布以及扰动流函数等。
The drag coefficient, the stream function and vorticity, the perturbed stream function are calculated under various conditions.
以势流理论为基础，本文用不可压流涡段所产生的扰动流场的线性叠加，计算涡分离流动的流场。
Based on the potential theory, a linearity combination of the disturbance flow field generated by the uncompressible vortex part was applied in the computation of separate vortex flow.
以势流理论为基础，本文用不可压流涡段所产生的扰动流场的线性叠加，计算涡分离流动的流场。
Based on the potential theory, a linearity combination of the disturbance flow field generated by the uncompressible vortex part was applied in the computation of separate vortex flow.
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