The results show that effect of wall curvature on turbulence is distinct, and enhances with increase of S/W, Reynolds number based on jet exit width.

结果表明，曲率对壁面射流的影响较强，并随着S／W的增大而增强。 随着雷诺数的增大，壁面曲率的影响也有强化的趋势。

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Then, they introduced the advantages of W-bend forming and its application in thick-walled tube production.

并介绍了与单半径孔型和双半径孔型比较，W成型的优点及在厚壁管生产中的应用实例。

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This paper sums the study results on wall slip of polymer melt in shear flow, which leads to the physical meaning of the developed Z-W model.

总结了聚合物熔体在剪切流场壁面滑移研究的成果，提出了Z W模型的物理概念。

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