Unsteadiness of Laminar Separation Bubble on Blunt Body

Jiun-Jih MIAU; Yi-Huei LAI; Phuong DONG; Alaeddine ZOGHLAMI

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Unsteadiness of Laminar Separation Bubble on Blunt Body

机译：钝器上层流分离气泡的不稳定性

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The present review paper focuses on the recent works in studying the flows around a circular cylinder and a teardrop shaped model for the Reynolds numbers in the respective critical transition ranges, which are featured with the development of laminar separation bubbles on the contour surfaces. Particular attention was paid to the flow phenomena associated with the unsteadiness of laminar separation bubble(s), which appeared to have significant impact on the aerodynamic characteristics in this flow regime.

机译：本文的重点是在研究圆柱周围的流动和雷诺数在相应的临界过渡范围内的泪滴状模型方面的最新工作，这些特征是轮廓表面上层状分离气泡的发展。特别注意与层流分离气泡不稳定有关的流动现象，这似乎对这种流动状态下的空气动力学特性有重大影响。

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《Advanced Experimental Mechanics》 |2019年第3期|共14页
作者
Jiun-Jih MIAU; Yi-Huei LAI; Phuong DONG; Alaeddine ZOGHLAMI;
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正文语种
中图分类力学;
关键词
Separation bubbleCritical regimeBlunt bodyIntermittencyUnsteadiness;

机译：分离气泡临界状态钝体间歇性不稳定;

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专利

1. Unsteady separation and vortex shedding from a laminar separation bubble over a bluff body [J] . S. P. Das, U. Srinivasan, J. H. Arakeri Journal of Fluids and Structures . 2013,第Null期

机译：钝体上层流分离气泡中的不稳定分离和涡旋脱落
2. Instability and low-frequency unsteadiness in a shock-induced laminar separation bubble [J] . Sansica Andrea, Sandham Neil D., Hu Zhiwei Journal of Fluid Mechanics . 2016,第Null期

机译：激振层流分离泡的不稳定性和低频不稳定性
3. POD analysis of the unsteady behavior of a laminar separation bubble [J] . Davide Lengani, Daniele Simoni, Marina Ubaldi, Experimental Thermal and Fluid Science: International Journal of Experimental Heat Transfer, Thermodynamics, and Fluid Mechanics . 2014,第Null期

机译：层流分离气泡的非稳态行为的POD分析
4. Evolution of the Non-linear and Unsteady Low Reynolds Number Laminar Separation Bubble around the Airfoil with Small angle of attack [C] . Peng Bai, Feng Li, Qiang Liu, AIAA aviation forum;AIAA fluid dynamics conference . 2016

机译：攻角较小时非线性和不稳定的低雷诺数层流分离气泡的演变
5. An Experimental Investigation of Blunt Body Unsteady Aerodynamic Force Reduction [D] . Sudalaimuthu, Vignesh Kumar. 2018

机译：钝体不稳定气动力减少的实验研究
6. Boundary layer control by a fish: Unsteady laminar boundary layers of rainbow trout swimming in turbulent flows [O] . Kazutaka Yanase, Pentti Saarenrinne 2016

机译：鱼的边界层控制：虹鳟在湍流中游荡的不稳定层流边界层
7. Instability and low-frequency unsteadiness in a shock-induced laminar separation bubble [O] . Sansica Andrea, Sandham Neil, Hu Zhiwei 2016

机译：冲击引起的层流分离气泡中的不稳定性和低频不稳定性
8. Starting Vortex, Separation Bubble and Stall - A Numerical Study of Laminar Unsteady Flow Around an Airfoil [R] . Mehta, U. B., Lavan, Z. 1972

机译：启动涡，分离气泡和失速 - 翼型周围层流非定常流动的数值研究

Unsteadiness of Laminar Separation Bubble on Blunt Body

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