Nicholas Hutchins

Near wall coherence in wall-bounded flows and implications for flow control

M Samie, WJ Baars, A Rouhi, P Schlatter, R Örlü, I Marusic, N Hutchins

Journal article  |  2020  |  International Journal of Heat and Fluid Flow

Opposition-control of the energetic cycle of near wall streaks in wall-bounded turbulence, using numerical approaches, has shown p..

Direct Numerical Simulations of Turbulent Flow Over Various Riblet Shapes in Minimal-Span Channels

S Endrikat, D Modesti, M MacDonald, R Garcia-Mayoral, N Hutchins, D Chung

Journal article  |  2020  |  Flow, Turbulence and Combustion

Riblets reduce skin-friction drag until their viscous-scaled size becomes large enough for turbulence to approach the wall, leadin..

Aerosolisation during tracheal intubation and extubation in an operating theatre setting

RS Dhillon, WA Rowin, RS Humphries, K Kevin, JD Ward, TD Phan, LV Nguyen, DD Wynne, DA Scott

Journal article  |  2020  |  Anaesthesia

Aerosol-generating procedures such as tracheal intubation and extubation pose a potential risk to healthcare workers because of th..

The effect of spanwise wavelength of surface heterogeneity on turbulent secondary flows

DD Wangsawijaya, R Baidya, D Chung, I Marusic, N Hutchins

Journal article  |  2020  |  Journal of Fluid Mechanics

We examine the behaviour of turbulent boundary layers over surfaces composed of spanwise-alternating smooth and rough strips, wher..

Turbulent flow over spanwise-varying roughness in a minimal streamwise channel

MX Xie, D Chung, N Hutchins

Conference Proceedings  |  2020  |  Journal of Physics: Conference Series, Volume 1522, Fourth Madrid Summer School on Turbulence 10 June to 12 July 2019, Madrid, Spain

All rights reserved. We report direct numerical simulations in a minimal streamwise domain of turbulent channel flow over spanwise..

Periodicity of large-scale coherence in turbulent boundary layers

CM de Silva, D Chandran, R Baidya, N Hutchins, I Marusic

Conference Proceedings  |  2020  |  International Journal of Heat and Fluid Flow

This study examines the pronounced periodicity of large-scale coherent structures in turbulent boundary layers, which are of the o..

On the mixing length eddies and logarithmic mean velocity profile in wall turbulence

Michael Heisel, Charitha M de Silva, Nicholas Hutchins, Ivan Marusic, Michele Guala

Journal article  |  2020  |  Journal of Fluid Mechanics

Since the introduction of the logarithmic law of the wall more than 80 years ago, the equation for the mean velocity profile in tu..

Experimental investigation of the near and far field structure of high Reynolds number turbulent boundary layers

NA Buchmann, C Atkinson, CM de Silva, N Hutchins, I Marusic, J Soria

Conference Proceedings  |  2020  |  ETC 2013 - 14th European Turbulence Conference

Experimental investigation of the near and far field structure of high Reynolds number turbulent boundary layers

NA Buchmann, C Atkinson, CM de Silva, N Hutchins, I Marusic, J Soria

Conference Proceedings  |  2020  |  Proceedings of the European Turbulence Conference

Exploring the connection between interfacial bulging at the edge of the turbulent boundary layer and large-scale motions near the wall

N Hutchins, J Monty

Conference Proceedings  |  2020  |  ETC 2013 - 14th European Turbulence Conference