II.2. A flow structure at reattachment region of a two-dimensional backward-facing step by using advanced multi-point LDV

机译：II.2。使用高级多点LDV的二维向后步骤的重新连接区域的流动结构

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A temporal data of instantaneous velocity profile of a two-dimensional backward-facing step flow was measured by multi-point LDV, and was discussed with a special focus on the details fo the separated shear layer and the phenomena of reattachment. As a result, The phenomenon of reattachment was seen to follow two patterns, one when the separated shear layer reattaches, the other when the separated shear vortex reattaches. The dividing stream line oscillates because of vortex concentration in the separated shear layer and has a quasiperiodical behavior as concerned to reattachment.

机译：用多点LDV测量了二维后向阶跃流动的瞬时速度分布的时间数据，并着重讨论了分离剪切层的细节和重新附着现象。结果，看到重新附着现象遵循两种模式，一种是在分离的剪切层重新附着时，另一种是在分离的剪切涡旋重新附着时。由于分离的剪切层中的涡流集中，分流线振荡，并且对于重新附着而言具有准周期性的行为。

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来源
《Selected Papers from the 9th International Symposium on Laser Techniques Applied to Fluid Mechanics Lisbon, Portugal, July 13-16, 1998》|1998年|p.143-156|共14页
会议地点 Lisbon(PT)
作者
N.Furuichi; T.Hachiga; K.Hishida; M.Kumada;
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原文格式 PDF
正文语种 eng
中图分类无线电电子学、电信技术;
关键词
Multi-point LDV; Two-dimensional backward-facing step; Separated shear layer; Reattachment;

机译：多点LDV；二维后退步骤；剪切层分开；重新连接;

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专利

1. An experimental investigation of a large-scale structure of a two-dimensional backward-facing step by using advanced multi-point LDV [J] . Furuichi N., Hachiga T., Kumada M. Experiments in Fluids: Experimental Methods and Their Applications to Fluid Flow . 2004,第2期

机译：使用高级多点LDV的二维后向台阶的大规模结构的实验研究
2. An experimental study of a spanwise structure around a reattachment region of a two-dimensional backward-facing step [J] . Furuichi N., Kumada M. Experiments in Fluids: Experimental Methods and Their Applications to Fluid Flow . 2002,第2期

机译：二维后向台阶重装区周围翼展方向结构的实验研究
3. Influence of the Preseparation Flow Structure on the Characteristics of the Separation Region Behind a Backward-Facing Step [J] . V. L. Zhdanov, D. A. Ivanov, Ya. I. Smul’skii, Journal of engineering physics and thermophysics . 2018,第3期

机译：预备流动结构对落后步骤后面分离区域特征的影响
4. II.2. A flow structure at reattachment region of a two-dimensional backward-facing step by using advanced multi-point LDV [C] . N.Furuichi, T.Hachiga, K.Hishida, International symposium on laser techniques applied to fluid mechanics . 2000

机译：II.2。通过使用先进的多点LDV，通过高速反向步骤重新连接区域的流动结构
5. SUPERSONIC LAMINAR FLOW REATTACHMENT AND REDEVELOPMENT BEHIND A TWO-DIMENSIONAL REARWARD FACING STEP. [D] . SPRING, DONALD JACOB. 1972

机译：在二维向后饰面步骤之后，进行超音速层流的重新安装和再开发。
6. Modeling of Knudsen Layer Effects in the Micro-Scale Backward-Facing Step in the Slip Flow Regime [O] . Apurva Bhagat, Harshal Gijare, Nishanth Dongari 2019

机译：滑流区微尺度向后退步中的克努森层效应建模
7. A Flow Characteristic at the Reattachment Region of a Two-Dimensional Backward-Facing Step Flow. [O] . Noriyuki FURUICHI, Tadashi HACHIGA, Masaya KUMADA 2003

机译：二维后向步骤流程的重新附点区域处的流动特性。
8. Grid refinement study of two-dimensional transient flow over a backward-facing step using a spectral-element method [R] . Torczynski, J R 1992

机译：利用谱元法对后向台阶上的二维瞬态流进行网格细化研究

II.2. A flow structure at reattachment region of a two-dimensional backward-facing step by using advanced multi-point LDV

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