| 1. | Experimental studies on sl scaling law and spatial scales of coherent structures in near - wall turbulent boundary layer
超声速平面剪切层声辐射涡模态数值分析 |
| 2. | Furthermore , hair - pin vortex is closely related with high - shear layer structure and spike structure in the pipe flow
此外，发卡涡与圆管流动中的高剪切层结构以及尖峰密切关联。 |
| 3. | The experimental investigations were performed on the impinging shear flow that is comprised with a jet shear layer impinging a plate parallel to the jet
本文对撞击剪切流，即射流剪切层撞击顺流放置的平板的流动，进行了实验研究。 |
| 4. | The possible difficult problems which might be met in numerical and experimental research about supersonic shear layer optics technique are also analyzed in this paper
分析了超声速剪切层光学技术的数值研究和实验研究可能遇到的难点问题。 |
| 5. | Because the symmetrical mode of two free shear layers in the jet is destroyed at x / h = 6 . 0 , the vortex street develops in non - symmetrical ( sinuous ) modes downstream of this station
由于两剪切层的对称性在下游x h = 6 . 0处即被破坏，之后涡街完全按非对称模式发展。 |
| 6. | The algebraic b - l eddy model , prandtl mixing length model as well as arrhenius finite speed rate chemical reaction combustion model is introduced to above cold - state model
引入baldwin - lomax代数方程模型、用于剪切层的普朗特混合长度湍流模型和阿累尼乌斯有限速率化学反应燃烧模型。 |
| 7. | The problem of aerodynamics and optics in researching aerodynamics window is analyzed , the importance of developing supersonic shear layer optics technique and its applications in aerodynamics window are put forward
分析了气动窗口研究可能遇到的气动问题和光学问题，提出了发展超声速剪切层光学技术并应用于气动窗口研究的重要性。 |
| 8. | It was found in preliminary tests that sound pressures of the oscillations were diminished with tripping wires or side jets when the wires or the jets were introduced into the impinging shear flow in certain ways
初步的试验表明，在一定条件下绊线或旁射流削弱了流动的自激振荡。为探求它们削弱自激振荡的机理，在非撞击剪切层上进行一组可控实验。 |
| 9. | Under different positions of a tripping wire or speeds of the side jet , the controlled experiments were made , including the receptivity of the shear layer near jet exit to acoustic excitations , the spatial development of fluctuating velocity and the profiles of mean velocity
在不同绊线位置或不同旁射流流速条件下，研究了射流出口临近剪切层对声激励的感受性，脉动流速向下游的空间演化及平均流速剖面。 |
| 10. | Results indicate that the characteristics of cavity flowfield were altered similarly by gas and liquid injection . the local boundary layer or shear layer are modified by injection on upstream / bottom wall of cavity , and the cavity shear layer immediately becomes angled with respect to the main flow direction . the injection on fore wall of cavity has little effect on the characteristics of cavity flowfield
结果表明:气体/液体喷流对凹腔整体流动特征的影响是一致的,凹腔上游/底壁喷流破坏了当地附面层或剪切层,导致凹腔剪切层偏向主流方向;凹腔前壁喷注对凹腔流场特征基本无影响。 |
