Publications

Congratulations to Dr Simon Haward for his figure being selected as a cover image in Physics of Fluids.

Haward, S. J., Page, J., Zaki, T. A. & Shen, A. Q. 2018 “Phase diagram” for viscoelastic Poiseuille flow over a wavy surfacePhys. Fluids 30, 113101.

DOI: https://doi.org/10.1063/1.5057392

 

 

JFM_V772_Cover

Congratulations to Dr Seo Yoon Jung for his figure being selected as a cover image in Journal of Fluid Mechanics.

Jung, S.Y. & Zaki, T. A. 2015 The effect of a low-viscosity near-wall film on bypass transition in boundary layers. J. Fluid Mech. 772, 330-360.

DOI: http://dx.doi.org/10.1017/jfm.2015.214

 

 
 

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Journal Articles

1.

Narasimhan, Ghanesh; Meneveau, Charles; Zaki, Tamer A.

Large eddy simulation of transitional channel flow using a machine learning classifier to distinguish laminar and turbulent regions Journal Article

In: Phys. Rev. Fluids, vol. 6, iss. 7, pp. 074608, 2021.

Links | BibTeX | Tags: Channel, LES, Transition

2.

Jahanbakhshi, Reza; Zaki, Tamer A.

Optimal heat flux for delaying transition to turbulence in a high-speed boundary layer Journal Article

In: Journal of Fluid Mechanics, vol. 916, pp. A46, 2021.

Links | BibTeX | Tags: Hypersonic, Roughness, Transition

3.

Wu, Zhao; Zaki, Tamer A; Meneveau, Charles

High-Reynolds-number fractal signature of nascent turbulence during transition Journal Article

In: Proceedings of the National Academy of Sciences, vol. 117, no. 7, pp. 3461–3468, 2020, ISSN: 0027-8424.

Links | BibTeX | Tags: Bypass, Conditional Sampling, Freestream Turbulence, Machine Learning, Spots, T/NT interface, Transition, Turbulence

4.

Marxen, O; Zaki, T A

Turbulence in intermittent transitional boundary layers and in turbulence spots Journal Article

In: Journal of Fluid Mechanics, vol. 860, pp. 350-383, 2019.

Links | BibTeX | Tags: Bypass, Conditional Sampling, Freestream Turbulence, Klebanoff, Streaks, Transition

5.

Wu, Zhao; Lee, Jin; Meneveau, Charles; Zaki, Tamer

Application of a self-organizing map to identify the turbulent-boundary-layer interface in a transitional flow Journal Article

In: Phys. Rev. Fluids, vol. 4, pp. 023902, 2019.

Links | BibTeX | Tags: Bypass, Machine Learning, Spots, T/NT interface, Transition, Turbulence

6.

Wang, Bofu; Mao, Xuerui; Zaki, Tamer A

Low-frequency selectivity in flat-plate boundary layer with elliptic leading edge Journal Article

In: Journal of Fluid Mechanics, vol. 866, pp. 239–262, 2019.

Links | BibTeX | Tags: Adjoint, Bypass, Optimization, Streaks, Transition

7.

Jahanbakhshi, Reza; Zaki, Tamer A

Nonlinearly most dangerous disturbance for high-speed boundary-layer transition Journal Article

In: Journal of Fluid Mechanics, vol. 876, pp. 87–121, 2019.

Links | BibTeX | Tags: Hypersonic, Optimization, Transition

8.

Park, J; Zaki, T A

Sensitivity of high-speed boundary-layer stability to base-flow distortion Journal Article

In: Journal of Fluid Mechanics, vol. 859, pp. 476-515, 2019.

Links | BibTeX | Tags: Adjoint, Hypersonic, Instability, Sensitivity, Stability, Transition

9.

Lee, J; Zaki, T A

Detection algorithm for turbulent interfaces and large-scale structures in intermittent flows Journal Article

In: Computers and Fluids, vol. 175, pp. 142-158, 2018.

Links | BibTeX | Tags: Bypass, Conditional Sampling, Freestream Turbulence, Klebanoff, Streaks, Transition

10.

Bose, R; Zaki, T A; Durbin, P A

Instability waves and transition in adverse-pressure-gradient boundary layers Journal Article

In: Physical Review fluids, vol. 3, no. 5, pp. 053904, 2018.

Links | BibTeX | Tags: Bypass, Instability, Klebanoff, Shear, Streaks, Tollmien-Schichting, Transition

11.

Lee, S J; Zaki, T A

Simulations of natural transition in viscoelastic channel flow Journal Article

In: Journal of Fluid Mechanics, vol. 820, pp. 232–262, 2017.

Links | BibTeX | Tags: Channel, Drag, Polymer, Shear, Transition, Viscoelastic

12.

Mao, Xuerui; Zaki, Tamer A; Sherwin, Spencer J; Blackburn, Hugh

Transition induced by linear and nonlinear perturbation growth in flow past a blade Journal Article

In: Journal of Fluid Mechanics, vol. 820, pp. 604–632, 2017.

BibTeX | Tags: Compressor, Direct, Floquet, Inner, Instability, Klebanoff, Outer, Pressure Gradient, Separation, Stability, Tollmien-Schichting, Transition

13.

Biancofiore, Luca; Brandt, Luca; Zaki, Tamer

Streak instability in viscoelastic Couette flow Journal Article

In: Physical Review fluids, vol. 2, no. 043304, 2017.

Links | BibTeX | Tags: Couette, Polymer, Stability, Streaks, Transition, Viscoelastic

14.

Trevelyan, David J; Zaki, Tamer A

Wavy vortices in molecular dynamics simulation of Taylor-Couette flow. Journal Article

In: Physical Review E, vol. 93, no. 043107, 2016.

BibTeX | Tags: Molecular Dynamics, Taylor-Couette, Transition

15.

Hack, Mario J P; Zaki, Tamer A

Data-enabled prediction of streak breakdown in pressure-gradient boundary layers. Journal Article

In: Journal of Fluid Mechanics, vol. 801, pp. 43-64, 2016.

Links | BibTeX | Tags: Bypass, Inner, Instability, Klebanoff, Machine Learning, Neural Networks, Outer, Streaks, Transition

16.

Rocco, Gabriele; Zaki, Tamer A; Mao, Xuerui; Blackburn, Hugh; Sherwin, Spencer J

Floquet and transient growth stability analysis of a flow through a compressor passage Journal Article

In: Aerospace Science and Technology, vol. 44, pp. 116-124, 2015.

Links | BibTeX | Tags: Compressor, Direct, Floquet, Inner, Instability, Klebanoff, Outer, Pressure Gradient, Separation, Stability, Tollmien-Schichting, Transition

17.

Hack, Mario J P; Zaki, Tamer A

Modal and nonmodal stability of boundary layers forced by spanwise wall oscillations Journal Article

In: J. Fluid Mechanics, vol. 778, pp. 389-427, 2015.

Links | BibTeX | Tags: Bypass, Floquet, Instability, Non-modal, Stability, Streaks, Transition, Wall Oscillation

18.

Jung, Seo Yoon; Zaki, Tamer A

The effect of a low-viscosity near-wall film on bypass transition in boundary layers Journal Article

In: J. Fluid Mechanics, vol. 772, pp. 330 - 360, 2015.

Links | BibTeX | Tags: Bypass, Drag, Instability, Interface, Klebanoff, Streaks, Transition, Two-Fluid

19.

Wissink, Jan G; Zaki, Tamer A; Rodi, Wolfgang; Durbin, Paul A

The Effect of wake turbulence intensity on transition in a compressor cascade Journal Article

In: Flow, Turbulence & Combustion, vol. 93, no. 4, pp. 555 - 576, 2014.

Links | BibTeX | Tags: Bypass, Compressor, Pressure Gradient, Separation, Streaks, Transition, Wakes

20.

Agarwal, Akshat; Brandt, Luca; Zaki, Tamer A

Linear and non-linear evolution of a localized disturbance in polymeric channel flow Journal Article

In: Journal of Fluid Mechanics, vol. 760, pp. 278 – 303, 2014.

Links | BibTeX | Tags: Channel, Polymer, Transition, Viscoelastic

21.

Hack, Mario J P; Zaki, Tamer A

Streak instabilities in boundary layers beneath free-stream turbulence Journal Article

In: Journal of Fluid Mechanics, vol. 741, pp. 280-315, 2014.

Links | BibTeX | Tags: Bypass, Inner, Instability, Klebanoff, Outer, Streaks, Transition

22.

Hack, Mario J P; Zaki, Tamer A

The influence of harmonic wall motion on transitional boundary layers Journal Article

In: Journal of Fluid Mechanics, vol. 760, pp. 63 – 94, 2014.

Links | BibTeX | Tags: Bypass, Streaks, Transition, Wall Oscillation

23.

Nolan, Kevin P; Zaki, Tamer A

Conditional sampling of transitional boundary layers in pressure gradients Journal Article

In: Journal of Fluid Mechanics, vol. 728, pp. 306-339, 2013.

Links | BibTeX | Tags: Bypass, Conditional Sampling, Freestream Turbulence, Klebanoff, Streaks, Transition

24.

Zaki, Tamer A

From Streaks to Spots and on to Turbulence: Exploring the Dynamics of Boundary Layer Transition Journal Article

In: Flow Turbulence and Combustion, vol. 91, no. 3, pp. 451-473, 2013.

Links | BibTeX | Tags: Bypass, Conditional Sampling, Continuous Spectrum, Inner, Instability, Klebanoff, Outer, Streaks, Transition

25.

Rehill, Brendan; Walsh, Ed J; Brandt, Luca; Schlatter, Philipp; Zaki, Tamer A; McEligot, Donald M

Identifying Turbulent Spots in Transitional Boundary Layers Journal Article

In: Journal of Turbomachinery-Transactions of the ASME, vol. 135 (1), no. 011019, 2012.

Links | BibTeX | Tags: Bypass, Shear, Spots, Transition

26.

Jones, Bryn L; Kerrigan, Eric C; Morrison, Jonathan F; Zaki, Tamer A

Flow estimation of boundary layers using DNS-based wall shear information Journal Article

In: International Journal of Control, vol. 84, no. 8, pp. 1310-1325, 2011.

Links | BibTeX | Tags: Bypass, Streaks, Transition

27.

Vaughan, Nicholas J; Zaki, Tamer A

Stability of zero-pressure-gradient boundary layer distorted by unsteady Klebanoff streaks Journal Article

In: Journal of Fluid Mechanics, vol. 681, pp. 116-153, 2011.

Links | BibTeX | Tags: Bypass, Floquet, Inner, Instability, Klebanoff, Outer, Streaks, Transition

28.

Naguib, Ahmed M; Morrison, Jonathan F; Zaki, Tamer A

On the relationship between the wall-shear-stress and transient-growth disturbances in a laminar boundary layer Journal Article

In: Physics of Fluids, vol. 22, no. 054103, 2010.

Links | BibTeX | Tags: Bypass, Shear, Streaks, Transition

29.

Zaki, Tamer A; Wissink, Jan G; Rodi, Wolfgang; Durbin, Paul A

Direct numerical simulations of transition in a compressor cascade: the influence of free-stream turbulence Journal Article

In: Journal of Fluid Mechanics, vol. 665, pp. 57-98, 2010.

Links | BibTeX | Tags: Bypass, Compressor, Freestream Turbulence, Pressure Gradient, Separation, Streaks, Transition

30.

Durbin, Paul A; Zaki, Tamer A; Liu, Yang

Interaction of discrete and continuous boundary layer modes to cause transition Journal Article

In: International Journal of Heat and Fluid Flow, vol. 30, no. 3, pp. 403-410, 2009.

Links | BibTeX | Tags: Bypass, Instability, Klebanoff, Shear, Streaks, Tollmien-Schichting, Transition

31.

Zaki, Tamer A; Wissink, Jan G; Durbin, Paul A; Rodi, Wolfgang

Direct Computations of Boundary Layers Distorted by Migrating Wakes in a Linear Compressor Cascade Journal Article

In: Flow Turbulence and Combustion, vol. 83, no. 3, pp. 307-322, 2009.

Links | BibTeX | Tags: Bypass, Compressor, Pressure Gradient, Separation, Streaks, Transition, Wakes

32.

Liu, Yang; Zaki, Tamer A; Durbin, Paul A

Boundary-layer transition by interaction of discrete and continuous modes Journal Article

In: Journal of Fluid Mechanics, vol. 604, pp. 199-233, 2008.

Links | BibTeX | Tags: Bypass, Instability, Klebanoff, Shear, Streaks, Tollmien-Schichting, Transition

33.

Liu, Yang; Zaki, Tamer A; Durbin, Paul A

Floquet analysis of secondary instability of boundary layers distorted by Klebanoff streaks and Tollmien-Schlichting waves Journal Article

In: Physics of Fluids, vol. 20, no. 124102, 2008.

Links | BibTeX | Tags: Bypass, Floquet, Instability, Klebanoff, Shear, Streaks, Tollmien-Schichting, Transition

34.

Zaki, Tamer A; Durbin, Paul A

Continuous mode transition and the effects of pressure gradient Journal Article

In: Journal of Fluid Mechanics, vol. 563, pp. 357-388, 2006.

Links | BibTeX | Tags: Bypass, Instability, Klebanoff, Pressure Gradient, Shear, Streaks, Transition

35.

Zaki, Tamer A; Durbin, Paul A

Mode interaction and the bypass route to transition Journal Article

In: Journal of Fluid Mechanics, vol. 531, pp. 85-111, 2005.

Links | BibTeX | Tags: Bypass, Instability, Klebanoff, Shear, Streaks, Transition

Incollections

36.

Zaki, Tamer; Page, Jacob

Theory and simulations of bypass transition in two-fluid boundary layers Incollection

In: Theme Issue on Transition Modelling, no. 106, ERCOFTAC, 2016.

BibTeX | Tags: Bypass, Freestream Turbulence, Instability, Klebanoff, Streaks, Transition, Two-Fluid