Research

Publications

Peer Reviewer Articles

2018

Wong, M. (2018), "Examination of the changes in spatial structure of the turbulent boundary layer under wave forcing using Proper Orthogonal Decomposition,"  Masters Thesis [link]

Tan, Y. (2018), "Influence of pressure on supersonic retropropulsion flow at Mach 2," Masters Thesis [link]

O. Williams, D. Sahoo, M. Baumgartner, A.J. Smits, “Experiments on the structure and scaling of hypersonic boundary layers,” Journal of Fluid Mechanics, 834, 237-270, 2018 [link]

2017

O. Williams, M. Wong, "Examination of changes to the spatial structure of turbulent boundary layers due to surface wave forcing using POD" 10th International symposium on Turbulence and Shear Flow Phenomena (TSFP10), Chicago, 2017 [link]

O. Williams, A.J. Smits, "Effect of tripping on hypersonic turbulent boundary layer statistics", AIAA Journal, 55 (9), 3051-3058, 2017 [link]

O. Williams, T. Hohman, T. Van Buren, E. Bou-Zeid, A.J. Smits, "The effect of stable thermal stratification on turbulent boundary layer statistics", Journal of Fluid Mechanics812, 1039-1075, 2017 [link]

T. Van Buren, O. Williams, A.J. Smits, "Turbulent boundary layer response to the introduction of stable stratification", Journal of Fluid Mechanics811, 569-581, 2017 [link]

2015

O. Williams, T. Nguyen, A.-M. Schreyer and A.J. Smits, "Particle response for particle image velocimetry in supersonic flows", Physics of fluids27(7), 076101, 2015 [link]

O. Williams, T. Van Buren and A.J.Smits, "A new method for measuring turbulent heat fluxes using PIV and fast-response cold-wires", Experiments in fluids56(7), 1-10, 2015 [link]

2012

O. Williams and A.J. Smits, "Application of PIV to the Measurement of Hypersonic Turbulence", 16th International Symposium on Applications of Laser Techniques to Fluid mechanics, Lisbon, 2012 [link]

2011

O. Williams and A.J. Smits, "Coherent Structures in a thermally stable turbulent boundary layer", 7th International Symposium on Turbulence and Shear Flow Phenomena, Ottawa, Canada,  2011

Conference proceedings

Extreme Flows Workshop
O. Williams, T. Hohman, T. Van Buren, A.J. Smits, "Structure of thermally stable turbulent boundary layers," 2014

Workshop on turbulence in high speed-flow
O. Williams and A.J. Smits, "DPIV for Mach 8 turbulent boundary layer measurements," 2011

16th International Congress on Theoretical and Applied Mechanics
O. Williams, S.C.C. Bailey, E. Bou-Zeid, A.J. Smits, "Structure of a thermally stable boundary layer," 2010

APS DFD

2017

M. Wong, O. Williams, “Structure of turbulent boundary layers subjected to wave forcing”

O. Williams, C. Helm, P. Martin, “Examination of uniform momentum zones in hypersonic turbulent boundary layers”

A.-M. Schreyer, O. Williams, A.J. Smits, “PIV measurements in two hypersonic shock wave/turbulent boundary layer interactions

2016
O. Williams, " Experimental Investigation of the interaction between turbulent boundary layers and near-surface wave-induced forcing"
R. Briedenthal, O. Williams, "Sonic eddy model of the turbulent boundary layer"

2014
O. Williams, T. Van Buren, A.J. Smits, "Turbulent heat flux measurements in thermal stable boundary layers" 
T. Van Buren, O. Williams, A.J. Smits, "Laboratory investigation of a thermally stable turbulent boundary layer subject to a step change in wall temperature"
A.J. Smits, O. Williams, T. Hohman, T. Van Buren, "Experimental investigation of thermally stable turbulent boundary layers"

2013
O. Williams, T. Nguyen, A.J. Smits, "Resolving turbulence in hypersonic flows using PIV"

2012
O. Williams, A.J. Smits, "Measurements of turbulence in a hypersonic turbulent boundary layer using PIV"

2011
O. Williams and A.J. Smits, "Tripping a hypersonic boundary layer"

2010
O. Williams, S.C.C. Bailey, A.J. Smits, "Coherent structures in a thermally stable boundary layer

2009
O. Williams, S.C.C. Bailey, A.J. Smits, "Turbulent coherent structures in a thermally stable boundary layer"