דברו איתנו
דוד גרינבלט

דוד גרינבלט

ראש המעבדה לבקרת זרימה

Education

  • 1986 – B.Sc., School of Mechanical Engineering, University of the Witwatersrand, Johannesburg, South Africa
  • 1990 – M.Sc., School of Mechanical Engineering, University of the Witwatersrand, Johannesburg, South Africa
  • 1999 – Ph.D., Department of Fluid Mechanics and Heat Transfer, Tel Aviv University, Israel

Research Interests

  • Energy-related flow control applications, active separation control, dynamic stall control, wake and vortex management; high-lift and high-alpha aerodynamics
  • Turbo-machinery heat transfer, jet noise, combustion and mixing
  • Plasma-based control of low speed flows; MEMS-based control of high-speed flows
  • Experimentation for CFD validation, turbulence modeling
  • Flow transition and relaminarization

Guest Appointments

  • 2005-2007: Senior Scientist, Hermann Foettinger Institute, Technical University of Berlin
  • 2002-2005: NRC Research Associate, Flow Physics and Control Branch, NASA Langley Research Center, Hampton VA, USA
  • 2001-2004: Honorary Research Fellow, University of the Witwatersrand, SA
  • 2000-2002: Post-Doctoral Fellow, Tel Aviv University, Israel
  • 2001-2002: Lecturer, Department of Fluid Mechanics and Heat Transfer, Tel Aviv University
  • 2000-2001: Senior Research Associate, IIT, Chicago IL, USA

Industrial Experience

  • 1988-1994: Technical Specialist, Aerotek, Council for Scientific and Industrial Research (CSIR), South Africa

Membership in Professional Societies

  • AIAA – Associate Fellow: American Institute of Aeronautics & Astronautics
  • APS – American Physical Society
  • ASME – American Society of Mechanical Engineers

Honors and Awards

  • 2012: First Prize, Renewable Energy Category at the First Israel National Conference for Sustainable Growth
  • 2008: Sanford Kaplan Prize for Creative Management of 21st Century High Technology
  • 2004: NASA AAAC Team Award (CFD Validation Workshop)
  • 2002, 2003, 2004: NRC Associateship Award, NASA Langley Research Center
  • 2001-2004: Honorary Research Fellowship, University of the Witwatersrand, SA

Selected Publications

  • Seifert, A., Eliahu, S., Greenblatt, D. and Wygnanski, I., “Use of piezoelectric actuators for airfoil separation control,” AIAA Journal, Vol. 36, No. 8, pp. 1535-1537, 1998. https://doi.org/10.2514/2.549.
  • Greenblatt, D. and Wygnanski, I., “The control of separation by periodic excitation,” Progress in Aerospace Sciences, Volume 36, Issue 7, 2000, pp. 487-545. https://doi.org/10.1016/S0376-0421(00)00008-7.
  • Greenblatt, D. and Wygnanski, I., “Dynamic stall control by periodic excitation. Part 1: NACA 0015 Parametric Study,” AIAA Journal of Aircraft, Vol. 38, No. 3, 2001, pp. 430-438. https://doi.org/10.2514/2.2810.
  • Greenblatt, D. and Moss, E. A. “Rapid temporal acceleration of a turbulent pipe flow,” Journal of Fluid Mechanics, Vol. 514, 2004, pp. 65-75. https://doi.org/10.1017/S0022112004000114.
  • Greenblatt, D., Paschal, K., Yao, C., Harris, J., “Experimental investigation of separation control Part 2: zero mass-flux oscillatory blowing,” AIAA Journal, Vol. 44, No. 12, 2006, pp. 2831-2845. https://doi.org/10.2514/1.19324.
  • Greenblatt, D., Schulman, M. and Ben-Harav, A., “Vertical axis wind turbine performance enhancement using plasma actuators,” Renewable Energy, Vol. 37, 2012, pp. 345-354. http://doi.org/10.1016/j.renene.2011.06.040.
  • Greenblatt, D., Schneider, T. and Schüle, C.Y., “Mechanism of flow separation control using Plasma Actuation,” Physics of Fluids, Vol. 24, 077102, 2012. https://doi.org/10.1063/1.4733399 (26 pages).
  • Strangfeld, C., Müller-Vahl, H.F., Nayeri, C.N., Paschereit, C.O. and Greenblatt, D., “Airfoil in a high amplitude oscillating stream,” Journal of Fluid Mechanics, Vol. 793, 2016, pp. 79-108. https://doi.org/10.1017/jfm.2016.126.
  • Greenblatt, D., “Unsteady low-speed wind tunnels,” AIAA Journal, Vol. 54, No. 6, June 2016, pp. 1817-1830. https://doi.org/10.2514/1.J054590.
  • Müller-Vahl, H., Nayeri, C.N., Paschereit, C.O and Greenblatt, D., “Dynamic stall control via adaptive blowing,” Renewable Energy, Vol. 97, 2016, pp. 47-64. https://doi.org/10.1016/j.renene.2016.05.053.
  • Greenblatt, D and Williams, D.R., “Flow Control for Unmanned Air Vehicles,” Annual Review of Fluid Mechanics, Vol. 54, 2022, pp. 383-412. https://doi.org/10.1146/annurev-fluid-032221-105053.
  • Garzozi, A. and Greenblatt, D., “Wind Energy Generation by Forced Vortex Shedding,” Applied Energy, Vol. 349, 2023, pp. 121583-1-14. https://doi.org/10.1016/j.apenergy.2023.121583.
  • Keisar, D., Freger V. and Greenblatt, D., “Direct wind-powered vertical axis brackish water desalination system,” Desalination, Vol. 570, 2024, pp. 117060-1-17. https://doi.org/10.1016/j.desal.2023.117060.

תחומי מחקר

בקרה אקטיבית של זרימות, בקרת הינתקות סטאטית ודינאמית, אווירודינמיקה של עילוי גבוה וזווית התקפה גבוהה, מעבר חום בטורבו מכונות, שריפה, בקרת מערבולות, ערבוב של זרימות, בקרה באמצעות מרעידי פלזמה.

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