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Sina Ghaemi, PhD

Associate Professor

Engineering

Mechanical Engineering

About Me

Education:

  • Ph.D. (cum laude), Aerospace Engineering (Delft University of Technology, 2009-2013)
  • M.Sc., Mechanical Engineering (University of Alberta, 2007-2009)
  • B.Sc., Aerospace Engineering (Sharif University of Technology, 2002-2006)



Research

Research Interest:
  • Turbulent boundary layer over superhydrophobic surfaces
  • Polymeric additives in turbulent channel flows
  • Turbulent particle-laden flows
  • Active/passive control of turbulent flows
  • Turbulent flow in adverse pressure gradient
  • Tomographic particle image velocimetry (tomo-PIV)
  •  Image-based diagnostics in multiphase flows

Publications:

Journals:

    Shokri, R., Ghaemi, S., Nobes, D. S., & Sanders, R. S. 2017. Investigation of particle-laden turbulent pipe flow at high-Reynolds-number using particle image/tracking velocimetry (PIV/PTV). International Journal of Multiphase Flow, 89, 136-149.

    Hokmabad, B. V., & Ghaemi, S. 2017 Effect of Flow and Particle-Plastron Collision on the Longevity of Superhydrophobicity. Scientific Reports, 7.

    Vajdi Hokmabad, B. & Ghaemi, S. 2016 Turbulent flow over wetted and non-wetted superhydrophobic counterparts with random structure, Physics of Fluids, 28, 015112.

    Ghaemi, S., Rafati, S., Bizhani, M., & Kuru, E. 2015 Turbulent structure at the midsection of an annular flow, Physics of Fluids, 27(10), 105102.

    Scarano, F., Ghaemi, S., Caridi, G. C. A., Bosbach, J., Dierksheide, U., & Sciacchitano, A. 2015 On the use of helium-filled soap bubbles for large-scale tomographic PIV in wind tunnel experiments, Experiments in Fluids, 56(2), 1-12.

    Ghaemi S. & Scarano F. 2013 Turbulent structure of high-amplitude pressure peaks within the turbulent boundary layer, Journal of Fluid Mechanics 735, pp. 381-426.

    Nati G., Kotsonis M., Ghaemi S. & Scarano F. 2013 Control of vortex shedding from a blunt trailing edge by plasma actuator, Experimental Thermal and Fluid Science, 46, pp. 199-210.

    Ghaemi S., Ragni D. & Scarano F. 2012 PIV-based pressure fluctuations in the turbulent boundary layer, Experiments in Fluids, 53(6), pp. 1823-1840.

    Kotsonis M. & Ghaemi S. 2012 Experimental and numerical characterization of a plasma actuator in continuous and pulsed actuation, Sensors and Actuators A: Physical, 187, pp. 84-94.

    Kotsonis M. & Ghaemi S. 2012 Performance improvement of plasma actuators using asymmetric high voltage waveforms, Journal of Physics D: Applied Physics, 45(4), art. no. 045204.

    Ghaemi S. & Scarano F. 2011 Counter-hairpin vortices in the turbulent wake of a sharp trailing edge, Journal of Fluid Mechanics 689, pp. 317-356.

    Kotsonis M. & Ghaemi S. 2011 Forcing mechanisms of dielectric barrier discharge plasma actuators at carrier frequency of 625 Hz, Journal of Applied Physics, 110(11), art. no. 113301.

    Kotsonis M., Ghaemi S., Veldhuis L. & Scarano F. 2011 Measurement of the body force field of plasma actuators, Journal of Physics D: Applied Physics 44(4), art. no. 045204.

    Ghaemi S. & Scarano F. 2010 Multi-pass light amplification for tomographic particle image velocimetry applications, Measurement Science and Technology, 21(12), art. no. 127002.

    Ghaemi S., Schmidt-Ott A. & Scarano F. 2010 Nanostructured tracers for laser-based diagnostics in high-speed flows, Measurement Science and Technology, 21(10), art. no. 105403.

    Ghaemi S., Nobes D.S. & Rahimi P. 2010 The effect of gas-injector location on bubble formation in liquid cross flow, Physics of Fluids, 22(4), pp. 1-15.

    Ghaemi S., Nobes D.S. & Rahimi P. 2010 Evaluation of StereoPIV measurement of droplet velocity in an effervescent spray, International Journal of Spray and Combustion Dynamics, 2(2), pp. 103–124.

    Ghaemi S., Nobes D.S. & Rahimi P. 2010 Evaluation of digital image discretization error in droplet shape measurement using simulation, Particle and Particle Systems Characterization, 26(5-6), pp. 243-255.

    Ghaemi S., Nobes D.S. & Rahimi P. 2010 Effect of bubble generation characteristics on effervescent atomization at low gas-liquid ratio operation, Atomization and Sprays, 20(3), pp. 211-225.

    Ghaemi S., Nobes, D.S. & Rahimi P. 2009 Assessment of parameters for distinguishing droplet shape in a spray field using image-based techniques, Atomization and Sprays, 19(9), pp. 809-831.


Conference proceedings:

    Scarano F., Ghaemi S., Caridi G., Bosbach J., Dirksheide U., Sciacchitano A., On the use of helium-filled soap bubbles for large-scale Tomographic PIV wind tunnel experiments, Int. Symp. on Applications of Laser Techniques to Fluid Mechanics, Lisbon, Portugal, 07-10 July, 2014.

    Ghaemi S., Bizhani M. & Kuru, E., Turbulent structure of a concentric annular flow, Progress in wall turbulence : understanding and modelling, Lille, France, 18-20 June, 2014.

    Scarano F., Ghaemi S. & Probsting S., Data reduction from time-resolved tomographic PIV for unsteady pressure evaluation, 51st AIAA Aerospace Sciences Meeting including the New Horizons Forum and Aerospace Exposition, Texas, USA, 7-10 January 2013.

    Ghaemi S., Ragni D. & Scarano F., PIV-based evaluation of pressure fluctuations within the turbulent boundary layer, 16th Int. Symp. on Application of Laser Techniques to Fluid Mechanics, Lisbon, Portugal, 7-10 July, 2012.

    Scarano F., Ghaemi, S. & Lorenzoni, V, Quantitative visualization of instantaneous pressure based on 4D-PIV and flow governing equations, 15th Int. Symp. on Flow Visualization, Minsk, Belarus, 25-28 June, 2012.

    Scarano F., Ghaemi S., Sensing wall-pressure fluctuations by particle image velocimetry, Acoustics, Nantes, France, 23-27 April 2012.

    Ghaemi S., Ragni D. & Scarano F., Tomo-PIV evaluation of pressure fluctuations within the turbulent boundary layer, Int. Workshop on the Application of Particle Image Velocimetry for Aeroacoustics and Noise, Delft, The Netherlands, 16-17 April 2012.

    Ghaemi, S. & Scarano, F., 2011 Counter-hairpin vortices in the wake of a sharp trailing-edge, 7th Int. Symp. on Turbulence and Shear Flow Phenomena, Ottawa, Canada, July 31, 2011.

    Kotsonis, M., Ghaemi, S., Giepman, R. & Veldhuis, L., Experimental study on the body force field of dielectric barrier discharge actuators, 41st AIAA Plasmadynamics and Lasers Conference , 2010-4630.

    Ghaemi, S., Schmidt-Ott, A. & Scarano, F., Application of nanostructured aggregates for laser-Based diagnostics in high speed flows, 15th Int. Symp. on Application of Laser Techniques to Fluid Mechanics, Lisbon, Portugal, 07-10 July, 2010.

    Ghaemi, S., Rahimi, P. & Nobes, D.S., Effect of gas-liquid ratio on droplets centricity and velocity of an effervescent atomizer, ASME Fluid Engineering Conference, Jacksonville, USA, August 10-14, 2008.

    Ghaemi, S., Rahimi, P. & Nobes, D.S., Measurement of droplet centricity and velocity in the spray field of an effervescent atomizer, 14th Int. Symp. on Application of Laser Techniques to Fluid Mechanics, Lisbon, Portugal, 07-10 July, 2008.

    Ghaemi, S., Rahimi, P. & Nobes, D.S., Investigation of gas-liquid ratio effect on the near nozzle spatial structure of effervescent atomizer-produced spray, Canadian Society of Mechanical Engineering Forum, Ottawa, Canada, June 5-8, 2008.

    Ghaemi, S., Rahimi, P. & Nobes, D.S., Investigation of the spatial distribution of droplet SMD in the spray field of an effervescent atomizer, 21st Annual ILASS-Americas Conference, Orlando, FL, USA, May 18-21, 2008.

    Darbandi, M., Kazemi Oskoui, A. & Ghaemi, S., The study of turbulent flow over modified rear-ward facing step geometries, 11th Asian Congress of Fluid Mechanics, Malaysia, May 22-25, 2006.


Conference presentation and posters:

    Ghaemi S. & Scarano F. Counter-hairpin vortices in the wake of a sharp trailing-edge, J.M. Burgerscentrum (JMBC) turbulence day, Eindhoven, the Netherlands, April 1, 2011. (presentation)

    Ghaemi S., Schmidt-Ott A., & Scarano F. Fractal-like nanoparticulate aggregates enable a great improvement in flow diagnostics, International Aerosol Conference, August 29, 2010, Helsinki, Finland. (poster)

    Ghaemi S., Rahimi P. & Nobes D.S., Evolution of bubbles through gas injection from a micro-tube into liquid cross-flow, APS 61st Annual DFD Meeting, San Antonio, USA, Nov. 23-25, 2008. (presentation)



Teaching

  • Applied Thermodynamics (MECE 340)
  • Aerodynamics (MECE 537)
  • Turbulent fluid dynamics (MECE 632)