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Faculty and Staff Profiles

Yiannis Andreopoulos

Michael Pope Professor of Energy Research

School/Division

Grove School of Engineering

Department

Mechanical Engineering

Office

Steinman Hall ST - 253

p: (212)650-5206

f: (212) 650-8013

e: andre@ccny.cuny.edu

w: View my website >>

  • Profile

    Yiannis Andreopoulos held postdoctoral research appointments at the University of Karlsruhe, Germany, and at Princeton University. His research expertise is in the areas of fluid dynamics which impact transportation, manufacturing, medicine, biology, energy, the environment, and defense and homeland security. He has developed several unique experimental techniques and designed a large-scale wind tunnel and a high energy/enthalpy experimental shock tube research facility for compressible flow studies in various configurations where high spatial and temporal resolution is required. In the last five years, he has been involved with research focusing on the interaction of fluids with soft compressible porous media. He has conducted theoretical, computational and experimental research on the aero-elastic interaction of shock waves with monolithic, composite and porous materials.

  • Education

    • 1966 1971 Diploma in Mechanical and Electrical Engineering, National Technical University of Athens
    • 1971 1972 M. Sc. & D. I. C. Department of Aeronautics, Imperial College, London University
    • 1975 1978 Ph.D. in Aeronautical Engineering, Department of Aeronautics, Imperial College, London University

     

  • Courses Taught

    • Aero-thermal-fluids Laboratory
    • Aerodynamic Design
    • Applied Fluid Mechanics (Graduate)
    • Experimental techniques in fluid mechanics & combustion (Graduate)
    • Turbulence (Graduate)

     

  • Research Interests

    Low and high speed turbulence. Gas dynamics, aerodynamics, acoustics. Transport phenomena in fluid mechanics. Wind energy. Smart materials and Micro Electro-Mechanical Systems. Micro-actuators. Time & frequency domain analysis. LASER techniques and spectroscopy. Image processing. Development of new experimental techniques to study turbulent complex flows. Environmental flows and atmospheric dispersion of pollutants. Turbulence structure in compressible flows. Shock wave impact on composite materials. Interaction of expansion waves with turbulence. Blast mitigation. Fluid-Structures interaction. Flow in soft porous materials. Skiing and snowboarding mechanics. Biological flows. Traumatic Brain Injuries and pulmonary interactions with shock impact. Harvesting energy from turbulence with piezoelectric materials. 

    Research has been funded by ONR, NSF, NASA, AFOSR, US ARMY and DEP.

  • Publications

    • Andreopoulos, J. and Rodi, W., "Experimental Investigation of Jets in a Cross Flow," J. Fluid Mechanics, Vol. 138, pp. 93 127, 1984.
    • Honkan, A. and Andreopoulos, J., "Rapid Compression of Grid Generated Turbulence by a Moving Shock Wave," Physics of Fluids A, vol. 4(11), pp. 2562 2572, 1992.
    • Honkan, A. and Andreopoulos, J. "Vorticity, Strain rate tensor and Dissipation in the Near Wall of Turbulent Boundary Layer,” J. Fluid Mech., 350, pp. 29-96, 1997.
    • Andreopoulos Y., Agui J.H. and Briassulis G. " Shock Wave Turbulence Interactions," Annual Review of Fluid Mechanics 32: 309-345, 2000.
    • Andreopoulos Y. and Honkan A. “An experimental study of the dissipative and vortical motions in turbulent boundary layers, “ J. Fluid Mech. Vol. 439, pp. 131-163, 2001.
    • Briassulis G, Agui, J. and Andreopoulos Y., “The structure of weakly compressible grid turbulence, @ J. Fluid Mech. Vol. 432, pp. 219-283, 2001.
    • Agui J. H., and Andreopoulos Y., “A new laser vorticity probe – LAVOR: its development and validation in a turbulent boundary layer” Experiments in Fluids, 34 (2), pp 192-205, 2003.
    • Wu, Q., Andreopoulos, Y. & Weinbaum, S., “From red cells to snowboarding to a new concept for a train track” Physical Review Letters vol. 93(19), pp. 194501-1 to 194501-4, 2004.
    • Agui, J. H., Briassulis, G., Andreopoulos, Y. “Studies of interactions of a propagating shock wave with decaying grid turbulence: velocity and vorticity field,” J. Fluid Mech. Vol. 524, pp. 143-195, 2005.
    • Gong M. and Andreopoulos Y. “Coupled fluid–structure solver: The case of shock wave impact on monolithic and composite material plates, J. Computational Physics (2009), 228, 4400-4434.
    • Xanthos, S., Gong M. & Andreopoulos, Y. “Interaction of Weakly Compressible Isotropic Turbulence with Planar Expansion Waves: Flow Anisotropy and Vorticity Alignment” Phys. Fluids in press (2010).
    • Akaydin D. H, Elvin N. & Andreopoulos Y. “Energy Harvesting from Highly Unsteady Fluid Flows Using Piezoelectric Materials” Journal of Intelligent Material Systems and Structures (in press) 2010.

     

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