Some new observations affecting the control of separation by periodic excitation

I. Wygnanski

doi:10.2514/6.2000-2314

Some new observations affecting the control of separation by periodic excitation

I. Wygnanski^*

^*Corresponding author for this work

Engineering General

Research output: Contribution to conference › Paper › peer-review

6 Scopus citations

Abstract

In an attempt to bring active flow control to a level of technology many fundamental issues arise. Some of these issues that we have encountered recently are discussed in the present paper. These are: the transient process of reattachment and separation, the addition or removal of mass flow and its effect on reattachment, some effects of curvature and its relation to centrifugal instability in highly turbulent flow and finally the application of active flow control at low Reynolds numbers. The first topic is discussed in most detail because of its possible application to interactive control.

Original language	English
DOIs	https://doi.org/10.2514/6.2000-2314
State	Published - 2000
Event	Fluids 2000 Conference and Exhibit - Denver, CO, United States Duration: 19 Jun 2000 → 22 Jun 2000

Conference

Conference	Fluids 2000 Conference and Exhibit
Country/Territory	United States
City	Denver, CO
Period	19/06/00 → 22/06/00

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10.2514/6.2000-2314

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abstract = "In an attempt to bring active flow control to a level of technology many fundamental issues arise. Some of these issues that we have encountered recently are discussed in the present paper. These are: the transient process of reattachment and separation, the addition or removal of mass flow and its effect on reattachment, some effects of curvature and its relation to centrifugal instability in highly turbulent flow and finally the application of active flow control at low Reynolds numbers. The first topic is discussed in most detail because of its possible application to interactive control.",

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AB - In an attempt to bring active flow control to a level of technology many fundamental issues arise. Some of these issues that we have encountered recently are discussed in the present paper. These are: the transient process of reattachment and separation, the addition or removal of mass flow and its effect on reattachment, some effects of curvature and its relation to centrifugal instability in highly turbulent flow and finally the application of active flow control at low Reynolds numbers. The first topic is discussed in most detail because of its possible application to interactive control.

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T2 - Fluids 2000 Conference and Exhibit

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Some new observations affecting the control of separation by periodic excitation

Abstract

Conference

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