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The Flowfield Imaging Laboratory
Welcome to the Flowfield Imaging Lab. We are part of the Department of Aerospace Engineering and Engineering Mechanics at the University of Texas at Austin. We do research and teaching in the primary areas of turbulent mixing/combustion and high speed shear flows. Our work emphasizes the application and development of laser diagnostics to help us understand the physics of complex turbulent flows.

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Latest Projects
Recent Publications

Scalar Imaging in Supersonic Flows with Kr PLIF
Venkat Narayanaswamy and N.T. Clemens

Flowfield Physics of a Mach 3 Hypermixer
Ross Burns and N.T. Clemens

Imaging of Ablation Products Transport in Supersonic Boundary Layers
Bryan Lochman, Oliver Buxton and N.T. Clemens


Pulsed Plasma Jet Flow Control of Shock/Boundary Layer Interactions
Venkat Narayanaswamy, N.T. Clemens and L.L. Raja


Effects of Strong Forcing on Turbulent Non-premixed Flames
Kevin Marr, N.T. Clemens and O.A. Ezekoye (under construction)

Physics and Control of Unstart in Supersonic Inlets and Isolators
J. L. Wagner, A. Valdivia, K. B. Yuceil, N.T. Clemens, D. S. Dolling

Supersonic flow control using plasma actuators
J. Shin, V. Narayanaswamy, L. L. Raja, N. T. Clemens

 Investigation of unsteadiness of shock-induced separated flows
Y.X. Hou, P.C. Bueno, R.G. Austin, S.J. Beresh, M. Comninos, S.C. Chan, N.T. Clemens and D.S. Dolling

 

Mixture Fraction Imaging in Turbulent Non-Premixed Flames with Two-Photon LIF of Krypton, Hsu, A., Narayanaswamy, V., Clemens, N.T. and Frank, J., Proceedings of the Combustion Institute, Vol. 33, pp. 759-766, 2011.

Planar Laser-Induced Fluorescence of Krypton for Scalar Imaging in Supersonic Flows, V. Narayanaswamy and N.T. Clemens, Optics Letters, in press, 2011

Investigation of Auto-ignition of a Pulsed Methane Jet in Vitiated Air Using High-Speed Imaging Techniques, Meier, W., Boxx, I., Arndt, C., Gamba, M. and Clemens, N.T., Journal of Engineering for Gas Turbines and Power, Vol. 133, Issue 2, pp. 021504 - 021509, 2011.

Velocity Measurements of Unstart in an Inlet-Isolator Model in Mach 5 Flow, Wagner, J., Yuceil, K.B., Clemens, N.T., AIAA Journal, Vol. 48, No. 9, pp. 1875-1888, 2010.

Characterization of a high-frequency pulsed plasma jet actuator, V. Narayanaswamy, L. Raja, and N. Clemens, AIAA Journal, Vol. 48, pp. 297-305, 2010.

Low-Frequency Dynamics of Shock Wave / Boundary Layer Interactions, Ganapathisubramani, B., Clemens, N.T. and Dolling, D.S., Journal of Fluid Mechanics, Vol. 636, pp. 397-425, 2009.




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