High bandwidth micro-actuators for active flow control
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United States of America Patent
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Oct 16, 2012
Grant Date -
Nov 11, 2010
app pub date -
May 7, 2010
filing date -
May 7, 2009
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Abstract
A high bandwidth multi-stage microjet actuator. The actuator can produce relatively large amplitude flow disturbances over a broad range of frequencies. The disturbance frequency can be varied by altering the geometry of the device, altering the pressure ratio(s) within the device, and combinations of the two. The actuator has many potential applications, including noise abatement for jet aircraft, and flow control over a moving airfoil.
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