Issues in active flow control: Theory, control, simulation,' and experiment

S. Scott Collis, Ronald D. Joslin, Avi Seifert*, Vassilis Theofilis

*Corresponding author for this work

Research output: Contribution to journalReview articlepeer-review


The goal of this paper is to provide a perspective on the current status and future directions for active flow-control technology with particular emphasis on oscillatory control. This is not a comprehensive review of the literature; rather, certain issues that are often neglected in studies are highlighted showing their importance or impact on the reported observations and targeted outcomes. Feasible routes using flow instability as an efficiency enhancement tool are discussed as an emerging means to explain the physical phenomena of active flow-control and as a tool for control law design and development. Traditional and more recent theoretical approaches to control design are discussed and recommendations are made relevant to numerical complications on the route to design oscillatory flow-control systems. A generic flow control process is put forward and illustrated using experimental examples.

Original languageEnglish
Pages (from-to)237-289
Number of pages53
JournalProgress in Aerospace Sciences
Issue number4-5
StatePublished - 2004


FundersFunder number
National Science FoundationDMS–0075731, MRI–0116289
U.S. Department of Energy
Air Force Office of Scientific ResearchFA8655-02-13059, 003604-017-1997, 003604-0011-2001
Air Force Research LaboratoryF49620-03-1-0295
European Office of Aerospace Research and Development
Ministerio de Ciencia y Tecnología


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