Spatially localised growth within global instabilities of flexible channel flows

被引：2

作者：

Stewart, Peter S. ^{[1
]}

Waters, Sarah L. ^{[2
]}

Billingham, John ^{[1
]}

Jensen, Oliver E. ^{[1
]}

机构：

[1] Univ Nottingham, Nottingham NG7 2RD, England

[2] Univ Oxford, OCIAM, Oxford, England

来源：

SEVENTH IUTAM SYMPOSIUM ON LAMINAR-TURBULENT TRANSITION | 2010年 / 18卷

基金：

英国生物技术与生命科学研究理事会;

关键词：

COLLAPSIBLE-CHANNEL;

D O I：

10.1007/978-90-481-3723-7_64

中图分类号：

TH [机械、仪表工业];

学科分类号：

0802 ;

摘要：

We investigate the localised spatial growth of two-dimensional disturbances governed by the long-wavelength Orr-Sommerfeld operator in a rigid channel at sub-transition Reynolds numbers. We discuss the link between this growth and vorticity waves, a striking feature of the sell-excited oscillations that arise when flow is driven through a finite-length channel. one wall of which contains a segment of flexible membrane

引用

页码：397 / +

页数：2

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