湍流附著线边界层的渐近结构

IF 1.4 4区工程技术 Q2 ENGINEERING, AEROSPACE

Aeronautical Journal Pub Date : 2003-01-01 DOI:10.1017/S0001924000011805

B. V. van Oudheusden

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引用次数: 1

摘要

摘要应用匹配渐近展开方法分析了大雷诺数下不可压缩湍流附著线边界层的渐近结构。得到了给出展向和弦向速度剖面的“壁单元”和“速度缺陷”表示的内部和外部解。在充分发展的湍流范围内，理论预测与实验和DNS数据一致。

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The asymptotic structure of the turbulent attachment-line boundary layer

Abstract The method of matched asymptotic expansions has been applied to analyse the asymptotic structure of the incompressible turbulent attachment-line boundary layer at large Reynolds numbers. Inner and outer solutions were obtained that give the ‘wall-unit’ and ‘velocity-defect’ represention of both the spanwise and chordwise velocity profiles. The predictions from the theory agree with experimental and DNS data in the range of fully developed turbulence.

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来源期刊

Aeronautical Journal 工程技术-工程：宇航

CiteScore

3.70

自引率

14.30%

发文量

审稿时长

6-12 weeks

期刊介绍： The Aeronautical Journal contains original papers on all aspects of research, design and development, construction and operation of aircraft and space vehicles. Papers are therefore solicited on all aspects of research, design and development, construction and operation of aircraft and space vehicles. Papers are also welcomed which review, comprehensively, the results of recent research developments in any of the above topics.