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.
笔者指出，当入射引力波和高斯束不同频率时，高斯束谐振系统产生的一阶扰动光子流没有观测效应。
This paper points out that the first-order perturbation photon flux produced by this system has not observed effect when GWs is different from frequency of Gaussian beam.
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).
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.
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.
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.
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.
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.
当采用某种固定的安装方式时，通过调整超声波流量计的安装角度可以在最大程度上降低因为流场扰动产生的误差。
When uses the way of some kind of fixed installs, it would be possible in the greatest to reduce the error that produces from the perturbation of flow field through the adjustment the angle.
在理想气体假设下给出了扰动流运动微分方程组的解析解；
On the assumption that the media is an ideal fluid, the analytic solution for differential equations of disturbing flow is obtained.
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.
最后，结合数据流技术对电能质量扰动的在线识别进行了研究。
Finally, combining data stream technology, on-line disturbance classification is completed.
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.
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.
射流反向倾斜入射，对上游流场的扰动增加，射流在弯曲段内曲率变化大。
When the jet is injected at negative injection angles, it disarranges the flow upstream and the curvature of jet trajectories varies smartly along the flow direction.
根据讨论的需要，特别研究了海水受海底地表扰动时的流场计算问题。
According to the need of the discussion, the single problem concerning the computation of the flow field ol sea water is particularly studied when it is...
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 system can be controlled to the desired spatial periodicity by spatial periodic pulse.
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 system can be controlled to the desired spatial periodicity by spatial periodic pulse.
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