The leverage on the performance of aerospace plane from boundary layer transition is presented in outline.
本文概述了边界层转捩对空天飞机性能的影响。
The mechanism of the effect is that the transition induced normal force arise when the boundary layer transition appear on the slender cone.
影响的基本机理是锥面的边界层在转捩时形成了负方向的诱导法向力。
In wind tunnel test, tripping wires or a local surface roughness are often applied to fixing the boundary layer transition on airfoils or wings.
在翼型或机翼的风洞试验中,常用绊线或局部表面粗糙度来固定边界层转捩。
The hydrogen bubble flow visualization technique was used to study the effects of small semi-sphere on the boundary layer transition of flow over a smooth circular plate.
应用氢气泡流动显示技术对圆盘上小半球对边界层转捩的影响进行了观测。
A large frame schlieren image technique is presented in the paper. The technique has been applied to visualization of the boundary layer transition on the surface of the cone in the hypersonic flow.
本文介绍了一种大画幅纹影成像技本,应用该技术,显示了高超音速流场中锥体边界层转捩。
The Rayleigh inverse-iteration method and boundary layer asymptotic expansion method are used to solve the blunt cone boundary layer stability equation to get reliable boundary layer transition data.
然后应用反迭代法与边界层渐近匹配的方法求解了钝锥边界层的稳定性方程,得到了钝锥边界层转捩数据。
The characteristic parameters of fluid during the transition in boundary layer are obviously different from that of the laminar flow or the turbulent flow.
边界层转捩流动的特征参数明显不同于层流或湍流,转捩流动的这些特征直接影响着流体的动力、传热特性。
Like in an infinite flow, we find that laminar boundary layer, transition region and turbulent boundary layer also exist along a flat plate in open channel flow boundary layers.
试验研究发现明流光滑平板边界层中,与无限边界绕流平板边界层一样,沿平板有层流边界层,转捩区和紊流边界层三部分。
An experimental study on the laminar boundary layer instability and transition was carried out in a flat-plate boundary layer by means of controllable heat pulsing introduced into the critical layer.
本文用可控热脉冲输入临界层的方法研究了平板层流边界层的稳定性与转捩。
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。
Meanwhile, the stream turbulence effects on the measurement are studied. Finally, the problems which must be researched further are presented for indicating boundary-layer transition.
本文同时还研究了气流湍流度对测量方法的影响,最后提出转捩测量技术尚需进一步研讨的问题。
Meanwhile, the stream turbulence effects on the measurement are studied. Finally, the problems which must be researched further are presented for indicating boundary-layer transition.
本文同时还研究了气流湍流度对测量方法的影响,最后提出转捩测量技术尚需进一步研讨的问题。
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