**AYSE GUL GUNGOR, Ph.D., Associate Professor**

Istanbul Technical University

Faculty of Aeronautics and Astronautics

34469 Maslak, Istanbul, Turkey

phone: +90(212)285 7352

fax: +90(212)285 3139

email: ayse.gungor@itu.edu.tr

Transition to Turbulence |
Turbulent Flows |
Low-Pressure-Turbines |
Laminar Bubble Bursting |
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University |
Field |
Degree |
Year |
---|---|---|---|

Georgia Institute of Technology | Aerospace Engineering | Ph.D. | 2009 |

Georgia Institute of Technology | Aerospace Engineering | M.S. | 2007 |

Istanbul Technical University | Aeronautics and Astronautics | M.S. | 2004 |

Istanbul Technical University | Mechanical Engineering | B.S. | 2001 |

Istanbul Technical University | Aerospace Engineering | B.S. | 2000 |

Istanbul Technical University |
Istanbul, Turkey | |
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10/17 - present | Associate Professor, Faculty of Aeronautics and Astronautics | |

01/12 - 10/17 | Assistant Professor, Faculty of Aeronautics and Astronautics | |

12/12 - 06/14 | Vice Dean, Faculty of Aeronautics and Astronautics | |

Universidad Politecnica de Madrid |
Madrid, Spain | |

08/09 - 01/12 | Post-doctoral Fellow, Fluid Mechanics Laboratory | |

Georgia Institute of Technology |
Atlanta, GA, USA | |

01/03 - 04/09 | Graduate Research Assistant, Computational Combustion Laboratory | |

Istanbul Technical University |
Istanbul, Turkey | |

02/01 - 12/11 | Research Assistant, Faculty of Aeronautics and Astronautics |

- Kitsios, V., Atkinson, C., Sillero, J.A., Borrell, G., Gungor, A.G., Jimenez, J., and Soria, J., Direct numerical simulation of a self-similar adverse pressure gradient turbulent boundary layer at the verge of separation, Journal of Fluid Mechanics, Vol. 829, pp. 392-419, 2017.
- Simens, M.P. and Gungor, A.G., Influence of the transition of a laminar separation bubble on the downstream evolution of strong adverse pressure gradient turbulent boundary layers, European Journal of Mechanics - B/Fluids, Vol. 67, pp. 70-78, 2018.
- Maciel, Y., Gungor, A.G., and Simens, M.P., "Structural differences between small and large momentum-defect turbulent boundary layers", International Journal of Heat and Fluid Flow, Vol. 67, pp. 95-110, 2017.
- Soria, J., Kitsios, V., Atkinson, C., Sillero, J.A., Borrell, G., Gungor, A.G., and Jimenez, J., Towards the Direct Numerical Simulation of a Self-similar Adverse Pressure Gradient Turbulent Boundary Layer Flow, Whither Turbulence and Big Data in the 21st Century?, Springer International Publishing, 2017.
- Maciel, Y., Simens, M.P., and Gungor, A.G., "Coherent structures in a non-equilibrium large-velocity-defect turbulent boundary layer", Flow, Turbulence and Combustion, Vol.98, pp. 1-20, 2017.
- Kitsios, V., Atkinson, C., Sillero, J.A., Borrell, G., Gungor, A.G., Jimenez, J., and Soria, J., "Direct numerical simulation of a self-similar adverse pressure gradient turbulent boundary layer", International Journal of Heat and Fluid Flow, Vol. 61, pp. 129-136, 2016.
- Gungor, A.G., Maciel, Y., Simens, M.P., and Soria, J., "Scaling and statistics of large-defect adverse pressure gradient turbulent boundary layers", International Journal of Heat and Fluid Flow, Vol. 59, pp. 109-124, 2016.
- Karaca, S. and Gungor, A.G., DNS of unsteady effects on the control of laminar separated boundary layers, European Journal of Mechanics - B/Fluids, Vol. 56, pp. 71-81, 2016.
- Gungor, A.G., Maciel, Y., and Simens, M.P., The structure of APG turbulent boundary layers, Progress in Wall Turbulence 2, ERCOFTAC Series, Vol. 23, 2015.
- Gungor, A.G. and Simens, M.P., Transition to turbulence in a separated boundary layer with spanwise perturbations, Procedia IUTAM, Vol. 14, pp. 69-77, 2015.
- Gungor, A.G., Maciel, Y., Simens, M.P., and Soria, J., Analysis of a Turbulent Boundary Layer Subjected to a Strong Adverse Pressure Gradient, Journal of Physics: Conference Series, Vol. 506, 012007, 2014.
- Simens, M.P., and Gungor, A.G., The Effect of Surface Roughness on Laminar Separated Boundary Layers, Journal of Turbomachinery, Vol. 136, 031014, pp. 1-8, 2014.
- Gungor, A.G., Simens, M.P., and Jimenez, J., Direct Numerical Simulations of Wake-Perturbed Separated Boundary Layers, Journal of Turbomachinery, Vol. 134, 061024, pp. 1-9, 2012.
- Gungor, A.G., and Menon, S., A New Two-Scale Model for Large Eddy Simulation of Wall-Bounded Flows, Progress in Aerospace Sciences, Vol. 46, pp. 28-45, 2010.
- Gungor, A.G., and Menon, S., Multi-scale Simulation of Near-wall Turbulent Flows, Direct and Large-Eddy Simulation VII, ERCOFTAC Series, Vol. 13, pp. 157-162, 2010.
- Gungor, A.G., A New Two-Scale Model for Large Eddy Simulation of Wall-Bounded Flows, Georgia Institute of Technology Ph.D. Thesis, August 2009.
- Gungor, A.G., Sanchez-Rocha, M., and Menon, S., Hybrid Two Level and Large-eddy Simulation of Wall Bounded Turbulent Flows, Advances in Turbulence XI, Springer Proceedings Physics, Vol. 117, pp. 322-324, 2007.
- Gungor, A.G., "Multiscale Simulations with Lattice Boltzmann Approach," Georgia Institute of Technology M.S. Thesis, May 2007.
- Gungor, A.G., "Analysis of Fluid Mechanics Problems with Finite Element Method," Istanbul Technical University M.S. Thesis, May 2004.

- Maciel, Y., Gungor, A.G., Simens, M.P., and Wei, T., "Scaling of adverse pressure gradient turbulent boundary layers," New Challenges in Wall Turbulence - In Honour of Michel Stanislas, Lille, France, 14-16 June 2017.
- Maciel, Y., Gungor, A.G., and Simens, M.P., "Sweeps and ejections in ZPG and strong APG turbulent boundary layers," 24th International Congress of Theoretical and Applied Mechanics (ICTAM), Montreal, Canada, 21-26 August 2016.
- Cay, S., Karahan, D.T., and Gungor, A.G., "Large eddy simulation of end wall flows in low pressure turbines," ICCFD9-2016-211, 9th International Conference on Computational Fluid Dynamics (ICCFD9), Istanbul, Turkey, 11-15 July 2016.
- Karahan, D.T., Cay, S., and Gungor, A.G., "Investigation of end-wall effects on low-pressure turbines by using large eddy simulation," VII European Congress on Computational Methods in Applied Sciences and Engineering (ECCOMAS 2016), Crete, Greece, 5-10 June 2016.
- Simens, M.P. and Gungor, A.G., "Spanwise spectra, Reynolds stresses and correlations in turbine like APG boundary layers," GT2016-57906, ASME Turbo Expo, Seoul, South Korea, 13-17 June 2016.
- Karahan, D.T., Ozgunoglu, M., Karaca, S., and Gungor, A.G., "A large eddy simulation methodology for complex flows," 8th Ankara International Aerospace Conference, Ankara, Turkey, 9-12 September 2015.
- Simens, M.P. and Gungor, A.G., "The influence of steady blowing and roughness on transitional separated boundary layers," 15th European Turbulence Conference, Delft, The Netherlands, 25-28 August 2015.
- Kitsios, V., Atkinson, C., Sillero, J.A., Borrell, G., Gungor, A.G., Jimenez, J., and Soria, J., "Direct numerical simulation of an equilibrium adverse pressure gradient turbulent boundary layer at the verge of separation," 15th European Turbulence Conference, Delft, The Netherlands, 25-28 August 2015.
- Maciel, Y., Simens, M.P., and Gungor, A.G., "Comparison of the Q structures and their temporal evolution between a ZPG TBL and two strongly decelerated TBLs," Second Multiflow Workshop, Madrid, Spain, 2015.
- Maciel, Y., Simens, M.P., and Gungor, A.G., "Turbulence structures in a non-equilibrium large-velocity-defect turbulent boundary layer," Ninth International Symposium on Turbulence and Shear Flow Phenomena, Melbourne, Australia, 2015.
- Kitsios, V., Atkinson, C., Sillero, J.A., Borrell, G., Jimenez, J., Gungor, A.G., and Soria, J., "Coherent structures in the direct numerical simulation of an equilibrium adverse pressure gradient turbulent boundary layer," Ninth International Symposium on Turbulence and Shear Flow Phenomena, Melbourne, Australia, 2015.
- Kitsios, V., Atkinson, C., Sillero, J.A., Borrell, G., Jimenez, J., Gungor, A.G., and Soria, J., "Direct numerical simulation of an adverse pressure gradient turbulent boundary layer," Symposium on Fluid-Structure-Sound Interactions and Control, Perth, Australia, 2015.
- Gungor, A.G., Karaca, S., and Simens, M.P., "The influence of roughness length on the control of separation bubbles," 10th International ERCOFTAC Symposium on Engineering Turbulence Modeling and Measurements, Malaga, Spain, 2014.
- Gungor, A.G., Maciel, Y., and Simens, M.P., "Turbulence structures in a strongly decelerated boundary layer," In Proceedings Division of Fluid Dynamics of the American Physical Society, San Francisco, USA, 2014.
- Kitsios, V., Atkinson, C., Sillero, J.A., Borrell, G., Gungor, A.G., Jimenez, J., and Soria, J., "Direct numerical simulation of an adverse pressure gradient turbulent boundary layer at the verge of separation," In Proceedings Division of Fluid Dynamics of the American Physical Society, San Francisco, USA, 2014.
- Kitsios, V., Atkinson, C., Sillero, J.A., Borrell, G., Gungor, A.G., Jimenez, J., and Soria, J., "Boundary condition development for an equilibrium adverse pressure gradient turbulent boundary layer at the verge of separation," IUTAM Symposium on Advances in Computation, Modeling and Control of Transitional and Turbulent Flows, Goa, India, 2014.
- Gungor, A.G., Maciel, Y., Simens, M.P., and Soria, J., "The structure of APG turbulent boundary layers," In Proceedings Division of Fluid Dynamics of the American Physical Society, Pittsburgh, USA, 2013.
- Maciel, Y., Gungor, A.G., Simens, M.P., and Soria, J., "The high-order statistics of APG turbulent boundary layers," In Proceedings Division of Fluid Dynamics of the American Physical Society, Pittsburgh, USA, 2013.
- Gungor, A.G., Simens, M.P., and Karaca, S., "Direct numerical simulation of roughness and unsteady wake effect on separated boundary layers", 14th European Turbulence Conference, Lyon, France, 2013.
- Karaca, S., Simens, M.P., and Gungor, A.G., "Direct numerical simulation of combined effects of wake and discrete surface roughness on separated boundary layers," 7th Ankara International Aerospace Conference, Ankara, Turkey, 2013.
- Gungor, A.G. and Simens, M.P., "Roughness effects on the control of laminar separated boundary layers," In Proceedings Division of Fluid Dynamics of the American Physical Society, San Diego, CA, USA, 2012.
- Gungor, A.G., Sillero, J.A., and Jimenez, J., "Pressure statistics from direct simulation of turbulent boundary layer," ICCFD7–2303, In Proceedings International Conference on Computational Fluid Dynamics 7, 2012.
- Gungor, A.G., Simens, M.P., and J. Jimenez, "DNS of separated flows under the influence of wakes," In Proceeding of the 9th European Turbomachinery Conference, Istanbul, Turkey, 2011.
- Gungor, A.G., Simens, M.P., and J. Jimenez, "The pre-cursor of Kelvin-Helmholtz instabilities in wake-perturbed boundary layers," In Proceedings Division of Fluid Dynamics of the American Physical Society, Baltimore, MD, USA, 2011.
- Sillero, J.A., Gungor, A.G., Jimenez, J., and Moser, R.D., "Comparison of the one- and two-point second-order statistics for zero-pressure-gradient turbulent boundary layers and channels at Re_tau = 1000-2000," In Proceedings Division of Fluid Dynamics of the American Physical Society, Baltimore, MD, USA, 2011.
- Borrell, G., Jimenez, J., Gungor, A.G., "Direct numerical simulation of a high-entrainment turbulent boundary layer," In Proceedings Division of Fluid Dynamics of the American Physical Society, Baltimore, MD, USA, 2011.
- Gungor, A.G., Simens, M.P., and Jimenez, J., "Direct simulation of a separated boundary layer under the influence of large-scale forcing," In Proceedings Division of Fluid Dynamics of the American Physical Society, Long Beach, CA, USA, 2010.
- Sillero, J.A., Borrell, G., Gungor, A.G., Jimenez, J., Moser, R.D., Oliver, T.A., "Direct simulation of the zero-pressure-gradient boundary layer up to Re_theta = 6000," In Proceedings Division of Fluid Dynamics of the American Physical Society, Long Beach, CA, USA, 2010.
- Gungor, A.G., and Menon, S., "A new two-scale model for large eddy simulation of wall-bounded flows," Georgia Tech Computational Combustion Laboratory, CCL Annual Report, CCL-TR-09-05, 2009.
- Gungor, A.G., and Menon, S., "Multiscale simulation of wall-bounded flows," Wall-Bounded Shear Flows: Transition and Turbulence Workshop, Isaac Newton Institute for Mathematical Sciences, Cambridge, UK, 2008.
- Kemenov, K., Gungor, A.G., and Menon, S., "Two-level simulations of high-Reynolds number wall-bounded shear flows," Georgia Tech Computational Combustion Laboratory, CCL Annual Report, CCL-TR-07-02, 2007.
- Gungor, A.G., Menon, S., "Direct simulation of subgrid turbulence in high-Re,wall bounded flows," AIAA Paper 2006-3538, 36th AIAA Fluid Dynamics Conference and Exhibit, San Francisco, CA, USA, 2006.
- Orphee, J., Gungor, A.G., Sanchez-Rocha, M., and Menon, S., "Direct and large eddy simulation of decaying and forced isotropic turbulence using lattice Boltzmann method," AIAA Paper 2006-3904, 36th AIAA Fluid Dynamics Conference and Exhibit, San Francisco, CA, USA, 2006.
- Menon, S., Kemenov, K., Patel, N., and Gungor, A.G., "Wall bounded shear flows," Georgia Tech Computational Combustion Laboratory, CCL Annual Report, CCL-TR-04-05, 2005.
- Kemenov, K., Gungor, A.G., and Menon, S., "Two-level simulation of high Re wall bounded flows and isotropic turbulence," AIAA Paper 2005-5318, 4th AIAA Theoretical Fluid Mechanics Meeting, Toronto, Canada, 2005.

- Gungor, A.G., Direct numerical simulation of adverse pressure gradient turbulent boundary layers, 9th International Conference on Computational Fluid Dynamics, Istanbul, Turkey, July 2016.
- Gungor, A.G., Direct numerical simulation of surface roughness effects on separated boundary layers, United Technologies Research Center, East Hartford, CT, USA, November 2012.
- Gungor, A.G., DNS of a flat plate boundary layer relevant to the conditions encountered on the suction side of low-pressure turbine blades, United Technologies Research Center, East Hartford, CT, USA, November 2011.
- Gungor, A.G., Simens, M.P., and Jimenez, J., "DNS of separated flows under the influence of wakes," 3rd Symposium on Low Pressure Turbine Fluid Dynamics, Madrid, Spain, 2010.
- Gungor, A.G., and Menon, S., "Multiscale simulation of wall-bounded flows," Wall-Bounded Shear Flows: Transition and Turbulence Workshop, Isaac Newton Institute for Mathematical Sciences, Cambridge, UK, 2008.

**Graduate Courses**

UUT518E, Turbulent Flows (Spring 2013, 2014, 2015, 2016, 2017)

UUM511, Viscous Flow (Fall 2012)

**Undergraduate Courses**

HVC216, Fluid Mechanics (Spring 2016, 2017, Air Force Academy)

UZB441E, Rocket Propulsion (Fall 2014, 2015, 2016)

UCK351E, Aerodynamics (Fall 2016)

UZB386E, Boundary Layer Theory (Fall 2012, 2013, 2014, 2015)

ME301, Fluid Mechanics (Fall 2013, Koc University)

MAT202E, Numerical Methods (Spring 2012, 2013, 2014)

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Unsteady(St=0.78)_2Droughness.avi | 29-Jan-2013 16:45 | 15M | ||

Unsteady(St=0.78)_2Droughness.avi | 29-Jan-2013 16:45 | 15M | ||

Unsteady(St=1.55)_2Droughness.avi | 29-Jan-2013 13:43 | 32M | ||

Unsteady(St=3.00)_2Droughness.avi | 29-Jan-2013 16:01 | 27M | ||

Unsteady(St=3.00)_Steady_3Droughness.avi | 25-Jan-2013 14:55 | 8.2M | ||

Unsteady(St=3.00)_Steady_2Droughness.avi | 25-Jan-2013 19:16 | 15.0M | ||

roughwall_2D.avi | 08-Nov-2012 16:40 | 5.9M | ||

roughwall_k3.avi | 08-Nov-2012 16:40 | 5.9M | ||

roughwall_k6.avi | 08-Nov-2011 16:40 | 5.9M | ||

U-xy-t-AfterWake.avi | 07-Jun-2011 07:40 | 5.9M | ||

U-xy-t-Wake.avi | 07-Jun-2011 07:42 | 7.1M | ||

U-xz-t-Wake.mp4 | 08-Aug-2011 16:51 | 2.0M | ||

BlasiusWaveTrains.avi | 26-Aug-2011 21:43 | 3.0M | ||

BlasiusWaveTrainsLowFreq.avi | 07-Sep-2011 20:09 | 15M | ||

BlasiusWaveTrainsLowFreq_StrongWake.avi | 08-Sep-2011 20:51 | 2.9M | ||

APGWaveTrainsLowFreq.avi | 08-Sep-2011 20:52 | 16M | ||

2DAPGWave_xt.avi | 24-May-2012 19:23 | 6.1M | ||