laminar-turbulent transition

laminar-turbulent transition 基本解释

层流湍流转变

化学

重点词汇

• laminara. 板, 薄层, 薄片, 层 [医] 板状的, 层状的
• turbulenta. 狂暴的, 骚乱的, 紊乱的
• transitionn. 转变, 转换, 变迁, 过渡时期, 临时转调 [化] 跃迁

laminar-turbulent transition 双语例句

1. 1、 Though the most unstable T-S wave was of second mode for laminar flow, the first mode waves played the key role in the breakdown process in laminar-turbulent transition.
   虽然在层流下第2模态TS波更不稳定，但在层流突变为湍流的过程中，第1模态不稳定波也起了重要作用。
2. 2、 Direct numerical simulation was done for a supersonic boundary layer, to see if the mechanism for the generation of sub-harmonic waves, similar to those for the incompressible flows, existed in the process of laminar-turbulent transition.
   通过直接数值模拟的方法，探讨在超音速边界层的转捩问题中，是否存在和不可压缩流情况相似的产生亚谐波的机制。
3. 3、 The investigation of laminar-turbulent transition is the most challenging task in the area of modern fluid dynamics, and it is crucial importance in the design of modern high-performance aerodynamic vehicles.
   关于层流&湍流的转捩的研究是现代流体力学中最具有挑战性的一个课题，对现代高性能飞行器的设计具有重要的意义。
4. 4、 Temporal mode direction numerical simulation ( DNS) has been done for the process of laminar-turbulent transition and the fully developed turbulence in an incompressible boundary layer on a flat plate.
   本文采用直接数值模拟（DNS）的方法，模拟了平板边界层的转捩过程及充分发展的湍流。
5. 5、 laminar-turbulent transition is an old yet unsolved problem.
   层流-湍流的转捩是一个古老但依然没有解决的问题。