However, no thorough investigation has been made on shock wave boundary layer interaction in compressor cascades and only a few papers on this topic have been published.
然而迄今为止,尚未深入进行过压气机叶栅激波附面层相互作用的研究,发表的文献极少。
But the theory about the flow regime of the wave boundary layer, the wave friction factor, the bed shear stress and the initiation of sediment motion has not developed very well.
而且波浪是海岸地区一个非常重要的海洋水动力因素,波浪作用下底部边界层的流态、底摩阻系数、床面剪应力和泥沙起动的理论还不成熟。
This paper presents a precise definition of the thickness of wave boundary layer. The thickness equation of the turbulent boundary layer beneath water waves is derived by the principles of similarity.
对波浪边界层厚度提出明确的定义,利用相似原理导出了波浪紊流边界层厚度的合理计算公式;
The perfectly matched layer (PML) boundary condition is used to effectively absorb out going wave on the boundary plane by comparison with the absorbing performance of dispersive boundary condition.
采用理想匹配层边界条件以有效吸收边界面上的出射波,并与色散边界条件的吸收效果作比较。
The perfectly matched layer absorbing boundary condition for the wave equation FDTD method (WE PML) is implemented and validated.
实现了波动方程FDTD算法的PML吸收边界条件(WE PML) ,并进行了数值验证。
In calculation, the bottom shear stress under the effect of waves and currents is supplied by the wave-current bottom boundary layer model.
计算中的底部剪切应力由波流边界层模型给出波—流共同作用下的形式。
The propagation of wave packet produced from a point source in two and three dimensional incompressible boundary layer is investigated numerically on the basis of linear stability theory.
根据线性稳定性理论研究点源产生的波包在二维和三维不可压边界层中的传播特征。
One of the more severe fluctuating pressure environments encountered in supersonic or hypersonic flows is the shock wave oscillation driven by interaction of a shock wave with boundary layer.
在超声速或高超声速绕流中,一种很严重的脉动压力环境是由激波边界层相互作用引起的激波振荡。
NPLS images at high spatiotemporal resolution reveal shockwave, expansion wave, boundary layer and wake in the flow.
高时空分辨率的NPLS图像再现了激波、膨胀波、边界层及尾迹等流场结构。
Aimed at acoustic wave equation, the paper gave absorbing boundary condition by using perfectly matched layer.
本文针对声波方程,给出了完全匹配层吸收边界方法。
Based on linear wave making resistance theory and on & technique of boundary layer separation control, the present paper gives an optimized study of hull form below the design water line.
本文基于线性兴波阻力理论,把控制尾流分离作为约束条件,利用优化计算方法对设计水线下船体外形进行优化研究。
It shows that the boundary layer induced behind a 2 ATM 2h2 + O2, mixture detonation wave may undergo a transition from laminar to turbulent and then turn out a turbulent boundary layer.
值得指出的是,2大气压下2h_2 + O_2气体爆轰波后诱导引起的附面层可能经历着从层流向湍流的转捩,而后成为湍流附面层。
It is shown by calculation and analysis that the main form of the interaction in compressor cascades is the interaction between shock wave and turbulent boundary layer in channels.
作者经过计算和分析,说明压气机叶栅流中主要的相互作用形式是叶栅槽道中激波和湍流附面层的相互作用。
Wall heat transfer fluctuations have been measured using a platinum film resistance thermometer in forward facing steps induced shock wave and turbulent boundary layer interaction fields.
用铂膜电阻温度计测量了前向台阶诱导激波与湍流边界层相互作用流场中的表面热流率脉动。
It has been confirmed by experiments that the boundary layer suction can efficiently eliminate the separation due to interaction of a reflected shock wave with the wall boundary layer.
实验证实了边界层抽吸可以有效地减小激波与壁面边界层相互作用所产生的分离现象。
This paper presents the surface characteristics of the inter-action between shock wave and turbulent boundary layer induced by sharp fin with emphasis on Mach number effects.
本文介绍了尖前缘翼诱导激波和湍流边界层干扰流场壁面特性,着重强调马赫数影响。
This may be caused by the side wall boundary layer and prismatic wave on the surface of the flow.
研究表明,溢流坝反弧段内流动存在着微弱的三维结构,流的三维性主要由侧壁边界层及表面棱形波造成。
Evolutional rule of wear trace wavelength and wave hollow from calculation of boundary layer parameter are deduced. A new thread of researches in erosion wear is provided.
通过对边界层参数的计算推论磨痕波长和波深演变规律,提出了冲蚀磨损机理新的研究思路。
The location of the shock wave will be larger move, even from interior layer to the boundary layer when the boundary conditions change smaller.
得出了在一定的情况下,当边界条件作微小变化时,激波的位置将作较大的变化,甚至由内层转到边界层。
This paper describes a numerical method to predict the hydrodynamic characteristics of 2-d wave-making hydrofoil in the steady viscous fluid flow by the boundary layer theory.
本文采用边界层的概念来研究粘性流中的二维兴波水翼之水动力特性的数值计算方法。
The strong interaction between shock wave and boundary layer in the internal duct is like a bottleneck to the start of the inlet.
内收缩段内的激波与边界层的干扰较强,成为进气道起动的瓶颈。
The strong interaction between shock wave and boundary layer in the internal duct is like a bottleneck to the start of the inlet.
内收缩段内的激波与边界层的干扰较强,成为进气道起动的瓶颈。
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