Control of Supersonic Resonant Flows Using

High Bandwidth Micro actuators

J. T. Solomon*, S. Hong#, A. Wiley*

R. Kumar*, A.M. Annaswamy#, F.S. Alvi*

*Advanced Aero Propulsions Laboratory (AAPL)

Florida Center for Advanced Aero Propulsion (FCAAP)

Florida A&M University and Florida State University

# Department of Mechanical Engineering

Massachusetts Institute of Technology

Overview

• The Supersonic Impinging Jet

• Motivation and Objectives of the Current Study

• Experimental Results

• Discussion and Conclusions

• Recommendations for Future Work

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The Supersonic Impinging Jet

hWall Jet

Ground Plane

C-D Nozzle

d

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The Supersonic Impinging Jet

hWall Jet

Ground Plane

C-D Nozzle

d

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The Supersonic Impinging Jet

hStand-Off

Shock

Acoustic Waves

Wall Jet

Ground Plane

C-D Nozzle

d

Large-Scale

Vortical Structures

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The Supersonic Impinging Jet

hStand-Off

Shock

Acoustic Waves

Reflected Acoustic

Waves

Wall Jet

Lift-Plate

Ground Plane

C-D Nozzle

d

Large-Scale

Vortical Structures

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The Supersonic Impinging JetThe Feedback Phenomenon

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The Supersonic Impinging JetThe Feedback Phenomenon

Kumar et al. (2010)

Thin Shear Layer

Large-Scale

Vortical Structures

Stand-Off Shock

Wall Jet