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Alis Ekmekci
Assistant Professor
UNIVERSITY OF TORONTO
Institute for Aerospace Studies
4925 Dufferin Street
Toronto, Ontario, Canada M3H 5T6
Tel: (416)667-7855
Fax: (416)667-7799
E-mail: ekmekci@utias.utoronto.ca
Education
Ph.D., Mechanical Engineering: January 2007
Lehigh University, Bethlehem, PA, USA
Dissertation: Control of the Near-Wake of a Circular Cylinder: Effects of Surface Disturbances
Dissertation Advisor: Professor Donald Rockwell
M.S., Mechanical Engineering: January 2003
Lehigh University, Bethlehem, PA, USA
Thesis: Self-Excited Oscillations of Free- and Bounded-Shear Flow Past a Resonant Cavity
Thesis Advisor: Professor Donald Rockwell
B.S., Mechanical Engineering: June 2000
Istanbul Technical University, Istanbul, Turkiye
Thesis: Optimal Design of Dynamic Vibration Absorbers for Multi-Degree-of-Freedom Systems under Multi- Frequency Excitation
Thesis Advisor: Professor Ozgur Turhan
Academic Experience
• Assistant Professor. University of Toronto, Institute for Aerospace Studies. 2007 - present.
• Post-Doctoral Research Associate. Zucrow Laboratories, Purdue University, IN, USA. 2006 - 2007.
»» Conducted three-dimensional computational analyses of cryogenic fluid flow through a small-
sized centrifugal turbopump in support of the design of an actual testing facility.
• Research Assistant. Fluids Research Laboratory, Lehigh University, PA, USA. 2001-2006.
»» Performed experimental investigations on several classes of flow-structure interactions involving
unsteady separated flows, and flow-induced noise and vibration. Designed experimental
setups and conducted research using quantitative visualization technique of high-image-density
Particle Image Velocimetry (PIV) together with various flow measurement, motion control and data
acquisition systems.
»» Worked in liaison with numerical simulation groups as part of parallel experimental-numerical
efforts.
»» Developed software in image processing, and statistical and spectral analysis.
• Teaching Assistant. Lehigh University, PA, USA. 2002-2006.
»» Assisted in the teaching of thermodynamics and engineering mechanics courses as well as
several laboratory courses in the areas of fluid mechanics, thermodynamics, dynamics, solid
mechanics and general mecanical engineering.
Academic Awards and Distinctions
• P.C. Rossin Fellowship, 2000-2004.
• The Departmental Scholarship of Lehigh University, the Department of Mechanical Engineering and
Mechanics, 2000-2001.
• The Best Graduation Thesis Award, the Department of Mechanical Engineering, Istanbul Technical
University, 2000.
• The 2nd Best Graduate of the Department, the Faculty and the University Awards of Istanbul Technical
University, 2000.
Memberships in Professional Societies
• American Physical Society (APS)
• American Society of Mechanical Engineers (ASME)
Refereed Journal Publications
J.1. Ekmekci, A. and Rockwell, D., “Self-Sustained Oscillations of Shear Flow Past a Slotted Plate Coupled
with Cavity Resonance”, Journal of Fluids and Structures, Volume 17, Issue 8, pp.1237-1245,
2003. [pdf]
J.2. Dong, S. and Karniadakis, G. E., Ekmekci, A. and Rockwell, D., “A Combined DNS-PIV Study of the
Turbulent Near Wake”, Journal of Fluid Mechanics, Volume 569, pp. 185-207, 2006. [pdf]
J.3. Ekmekci, A. and Rockwell, D., “Oscillation of Shallow Flow Past a Cavity: Resonant Coupling with a
Gravity Wave”, Journal of Fluids and Structures, Volume 23, Issue 6, pp. 809-838, 2007. [pdf]
J.4. Ekmekci, A. and Rockwell, D., “Effects of a Geometrical Surface Disturbance on Flow past a Circular
Cylinder: A large Scale Spanwise Wire”, Journal of Fluid Mechanics, Volume 665, pp.120-157, 2010. [Download ]
J.5. Ekmekci, A and Rockwell, D., "Control of Flow past a Circular Cylinder via a Spanwise Surface Wire:
Effect of the Wire Scale", Experiments in Fluids, Volume: 51, Number: 3, pp. 753-769, 2011. [Download]
Refereed Conference Publications
C.1. Alis Ekmekci, Donald Rockwell, “Organized Oscillations of Flow Past a Slotted Plate Coupled with
Resonance of a Bounding Cavity”, Division of Fluid Dynamics 56th Annual Meeting of American Physical
Society, East Rutherford, New Jersey, FM.004, 2003. [Abstract]
C.2. Alis Ekmekci and Donald Rockwell, “Modification of the Wake of a Cylinder: Effect of Small Amplitude
Surface Perturbation”, Division of Fluid Dynamics 58th Annual Meeting of American Physical Society,
Chicago, Illinois, AN.005, 2005. [Abstract]
C.3. Alis Ekmekci and Donald Rockwell, “Control of the Near-Wake of a Cylinder: Effect of a Spanwise Wire”,
Division of Fluid Dynamics 59th Annual Meeting of American Physical Society, Tampa Bay, Florida,
EO.00006, 2006. [Abstract]
C.4. Alis Ekmekci and Donald Rockwell, "Flow Control via a Single Spanwise Wire on the Surface of a Stationary
Cylinder", Division of Fluid Dynamics 60th Annual Meeting of American Physical Society, Salt Lake City,
Utah, JT.00005, 2007. [Abstract]
C.5. Alis Ekmekci and Donald Rockwell, "Control of Flow past a Stationary Circular Cylinder: Effects of a Single
Straight Wire and a System of Helical Wires", 62nd Annual Meeting of American Physical Society,
Minneapolis, Minnesota, MU.00001, 2009. [Abstract]
C.6. Alis Ekmekci, Thomas Veitch and Alis Ekmekci, "Control of the Near-Wake of a Forced Oscillating Cylinder
via a Straight Surface Wire", 62nd Annual Meeting of American Physical Society, Minneapolis, Minnesota,
MU.00003, 2009. [Abstract]
C.7. Alis Ekmekci and Donald Rockwell, "Control of Flow past a Circular Cylinder via a Spanwise Surface Wire:
Effect of the Scale of the Wire", AIAA paper 2010-917, 48th AIAA Aerospace Sciences Meeting, Orlando,
Florida, 2010.
C.8. Tayfun Aydin, Adam Blackmore and Alis Ekmekci, "Design of an End Plate to Promote Quasi-Two-
Dimensionality in the Near Wake of a Circular Cylidner", 63rd Annual Meeting of American Physical
Society, Long Beach, California, 2010.
C.9. Adam Blackmore, Tayfun Aydin and Alis Ekmekci, "Horseshoe Vortex Dynamics in Cylinder-Wall and
Cylinder-Endplate Junctions", 63rd Annual Meeting of American Physical Society, Long Beach, California,
2010.
C.10. Antrix Joshi, Tayfun Aydin, Eric Khoury, Armina Andriasian and Alis Ekmekci, "Oblique and Parallel Vortex
Shedding in the Wake of a Circular Cylinder at Subcritical Flow Regime", 64rd Annual Meeting of American
Physical Society, Baltimore, Maryland, 2011.
C.11. Tayfun Aydin, Adam Blackmore and Alis Ekmekci, "A Case Study of Horseshoe Vortex Dynamics at Laminar and
Turbulent Junction Flows", 64rd Annual Meeting of American Physical Society, Baltimore, Maryland, 2011.
C.12. Alis Ekmekci, Tayfun Aydin and Antrix Joshi, "On the Control of Flow past a Circular Cylinder through a Single
Spanwise Protrusion", 10th International Conference on Flow-Induced Vibration, Dublin, Ireland, paper accepted,
2012.
Non-Refereed Technical Reports and Conference Posters
T.1. Alis Ekmekci, Charles Merkle, “Computational Modeling of a Cryogenic Turbopump”, Purdue University,
Annual Report to NASA, 2007. [pdf]
T.2.. Alis Ekmekci and Donald Rockwell, “Flow Past a Circular Cylinder: Effects of a Small Amplitude Surface
Disturbance”, Division of Fluid Dynamics 59th Annual Meeting of American Physical Society, Tampa Bay,
Florida, Poster No. 7, DFD06, 2006.
T.3. Alis Ekmekci and Donald Rockwell, “Oscillations of Shallow Flow Past a Cavity: Resonant Coupling with a
Gravity Wave”, Division of Fluid Dynamics 59th Annual Meeting of American Physical Society, Tampa Bay,
Florida, Poster No. 6, DFD06, 2006.
T.4. Ekmekci, A., “Control of the Near-Wake of a Circular Cylinder: Effects of Surface Disturbances”, Ph.D.
dissertation, the Department of Mechanical Engineering and Mechanics, Lehigh University, USA, 2006.
T.5. Ekmekci, A. and Rockwell, D., “Self-Excited Oscillations of Free- and Bounded-Shear Flow Past a Resonant
Cavity”, the Department of Mechanical Engineering and Mechanics, Lehigh University, Fluid Mechanics
Laboratory Report FM 0201, 2002.
T.6. Ekmekci, A., “Self-Excited Oscillations of Free- and Bounded- Shear Flow Past a Resonant Cavity”, M.S.
thesis, the Department of Mechanical Engineering and Mechanics, Lehigh University, USA, 2003.
T.7. Ekmekci, A., “Optimal Design of Dynamic Vibration Absorbers for Multi-Degree-of-Freedom Systems under
Multi-Frequency Excitation”, B.S. thesis, the Department of Mechanical Engineering, Istanbul Technical
University, Turkey, 2000.
Patents
P.1. Ekmekci, A. and Rockwell, D., Lehigh University, “Control Method of Vortex Formation from a Circular
Cylinder”, provisional patent. [Marketing Abstract]
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