沟槽面湍流减阻研究综述

王晋军

沟槽面湍流减阻研究综述

王晋军

北京航空航天大学飞行器设计与应用力学系

详细信息

中图分类号: O 357.54; V 211.19
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- 文章访问数: 2615
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- 被引次数: 0
出版历程
- 收稿日期: 1996-12-13
- 网络出版日期: 1998-01-31

Reviews and Prospects in Turbulent Drag Reduction over Riblets Surface

Wang Jinjun

Beijing University of Aeronautics and Astronautics,Dept.of Flight Vehicle Design and Applied Mechanics

摘要

摘要: 对近20年来沟槽面湍流边界层特性、湍流拟序结构、湍流减阻及其机理的研究进展进行了综述.内容涉及沟槽面平板、旋成体、机翼等在压、跨、超音速流动情况下的实验研究成果;压力梯度、攻角、侧滑角等的影响;湍流猝发特性、紊动特性、近壁区带条结构的特征及减阻机理等方面的工作.为更有效地减少表面摩阻,必须深入开展对沟槽面湍流边界层特性、湍流拟序结构及湍流减阻机理等方面的研究.
- 湍流边界层 /
- 减阻 /
- 湍流结构 /
- 沟槽面
Abstract: The experimental investigations of turbulent boundary layer flow,turbulent coherent structures,turbulent drag reduction and its mechanism have been reviewed.The experimental velocities cover subsonic,transonic and supersonic flows,and the content includes: (1) flow over flat plate,revolution body and wing with riblets surface at zero angle of attack;(2) the effect of pressure gradient,angle of attack and slide angle;(3) the burst characteristics,characteristics of turbulence,the streak structure in the near wall region and the drag reduction mechanism.In order to reduce the skin friction efficiently,more research works should be done on the characteristics of turbulent boundary layer,turbulent coherent structures and the mechanism of turbulent drag reduction for flow over riblets surfaces.
- turbulent boundary layer /
- drag reduction /
- turbulence structures /
- riblets surfaces

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参考文献(1)

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