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Aerospace Engineering

Aerospace Engineering

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Pordessor Xiaofeng Liu   
Xiaofeng Liu
Ph.D., University of Notre Dame

Experimental Fluid Dynamics
Aerodynamics
Turbulence
Image Processing

Phone:  (619) 594-1364

Email:    Xiaofeng.Liu@mail.sdsu.edu
Office:    E-224

Web:    http://liu.sdsu.edu/

Research Interest:

Dr. Xiaofeng Liu, an associate fellow of the American Institute of Aeronautics and Astronautics, is a leading expert in experimental fluid dynamics. His work and education experience includes Johns Hopkins University, University of Notre Dame, Tsinghua University, China Academy of Launch Vehicle Technology and Beijing University of Aeronautics and Astronautics. Dr. Liu has extensive experience in flow diagnostic tool usage including hot wire, seven-hole probe, LDV and PIV. His research interests broadly reside in high-lift aerodynamics, turbulent shear layer and wake flows, vortex dynamics, cavitation, drag reduction, fluid-structure interactions, biomedical acoustics, heat and mass transfer, particle image velocimetry and image processing. His current focus is on the development of time-resolved non-intrusive 3-D pressure field measurement techniques and their applications in the study of turbulence and unsteady aerodynamics.

Representative Publications:

1. Siddle-Mitchell, S., Liu, X. and Katz, J., Investigation of the Influence of Subgrid-scale Stress on the Accuracy of Non-intrusive Spatial Pressure Measurement using a DNS Channel Flow Database, AIAA-2016-3403, AIAA Aviation 2016, June 13-17, Washington DC, doi:10.2514/6.2016-3403.

2. Liu, X., Moreto, J. R. and Siddle-Mitchell, S., Instantaneous Pressure Reconstruction from Measured Pressure Gradient using Rotating Parallel Ray Method, AIAA-2016-1049, 54th AIAA Aerospace Sciences Meeting, AIAA SciTech, doi: 10.2514/6.2016-1049.

3. Liu, X., Siddle-Mitchel, S., Rybarczyk, R. and Katz, J., Investigation of the influence of the subgrid-scale stress on non-intrusive spatial pressure measurement using an isotropic turbulence database, 11th International Symposium on Particle Image Velocimetry – PIV15, Santa Barbara, California, September 14-16, 2015.

4. Joshi, P., Liu, X. and Katz, J., Effect of mean and fluctuating pressure gradients on boundary layer turbulence, Journal of Fluid Mechanics, Vol. 748, June 2014, pp. 36–84. DOI:10.1017/jfm.2014.147.

5. Liu, X. and Katz, J., Vortex-corner interactions in a cavity shear layer elucidated by time resolved measurements of the pressure field, Journal of Fluid Mechanics, Vol. 728, August 2013, pp 417-457. DOI: 10.1017/jfm.2013.275.

6. Liu, X. and Katz, J., Cavitation phenomena occurring due to interaction of shear layer vortices with the trailing corner of a 2D open cavity, Physics of Fluids, 20, 041702, DOI:10.1063/1.2897320. (2008).

7. Liu, X. and Katz, J., Instantaneous pressure and material acceleration measurements using a four exposure PIV system, Experiments in Fluids, Vol. 41, No. 2, August 2006, pp227-240.

8. Liu, X. and Thomas, F.O., Measurement of the turbulent kinetic energy budget of a planar wake flow in pressure gradients, Experiments in Fluids, Vol. 37, No. 4, October, 2004, pp469-482.

9. Thomas, F.O. and Liu, X., An experimental investigation of symmetric and asymmetric turbulent wake development in pressure gradient, Physics of Fluids, Vol.16, No.5, May 2004, pp1725-1745.

10. Liu, X., Thomas, F.O., and Nelson, R.C., An experimental investigation of the planar turbulent wake in constant pressure gradient, Physics of Fluids, Vol.14, No.8, August 2002, pp2817-2838.

 

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Department of Aerospace Engineering 
San Diego State University

San Diego, CA 92182-1308