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Umair Ahmed
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Fluctuating Loads on a Tidal Turbine Due to Velocity Shear and Turbulence: Comparison of CFD with Field Data
U Ahmed, DD Apsley, I Afgan, T Stallard, PK Stansby
Renewable Energy 112 (2017), 235-246, 2017
1292017
Turbulent length scales and budgets of Reynolds stress-transport for open-channel flows; friction Reynolds numbers (R e τ)= 150, 400 and 1020
U Ahmed, D Apsley, T Stallard, P Stansby, I Afgan
Journal of Hydraulic Research 59 (1), 36-50, 2021
372021
Insights into the bending effect in premixed turbulent combustion using the Flame Surface Density transport
U Ahmed, N Chakraborty, M Klein
Combustion Science and Technology 191 (5-6), 898-920, 2019
362019
Scalar gradient and strain rate statistics in oblique premixed flame–wall interaction within turbulent channel flows
U Ahmed, N Chakraborty, M Klein
Flow, Turbulence and Combustion 106, 701-732, 2021
322021
Multiscale analysis of head-on quenching premixed turbulent flames
U Ahmed, NAK Doan, J Lai, M Klein, N Chakraborty, N Swaminathan
Physics of Fluids 30, 105102, 2018
312018
Statistical behavior of turbulent kinetic energy transport in boundary layer flashback of hydrogen-rich premixed combustion
U Ahmed, AL Pillai, N Chakraborty, R Kurose
Physical Review Fluids 4 (10), 103201, 2019
272019
Modelling flame turbulence interaction in RANS simulation of premixed turbulent combustion
U Ahmed, R Prosser
Combustion Theory and Modelling 20 (1), 34-57, 2016
272016
CFD Simulations of a Full-Scale Tidal Turbine: Comparison of LES and RANS with Field Data
U Ahmed, I Afgan, D Apsley, T Stallard, P Stansby
11th European Wave and Tidal Energy Conference (EWTEC), 2015
232015
A comparison between head-on quenching of stoichiometric methane-air and hydrogen-air premixed flames using Direct Numerical Simulations
J Lai, U Ahmed, M Klein, N Chakraborty
International Journal of Heat and Fluid Flow 93, 108896, 2022
212022
Statistical behaviours of conditioned two-point second-order structure functions in turbulent premixed flames in different combustion regimes
P Brearley, U Ahmed, N Chakraborty, A Lipatnikov
Physics of Fluids 31 (11), 115109, 2019
202019
On the stress-strain alignment in premixed turbulent flames
U Ahmed, N Chakraborty, M Klein
Scientific Reports 9 (1), 5092, 2019
192019
Statistics of progress variable and mixture fraction gradients in an open turbulent jet spray flame
C Turquand d’Auzay, U Ahmed, AL Pillai, N Chakraborty, R Kurose
Fuel 247 (1), 198-208, 2019
182019
Towards the Development of an Evolution Equation for Flame Turbulence Interaction in Premixed Turbulent Combustion
U Ahmed, R Prosser, AJ Revell
Flow, Turbulence and Combustion 93 (4), 637-663, 2014
172014
Effects of turbulent length scale on the bending effect of turbulent burning velocity in premixed turbulent combustion
A Varma, U Ahmed, M Klein, N Chakraborty
Combustion and Flame 233, 111569, 2021
162021
Surface density function evolution and the influence of strain rates during turbulent boundary layer flashback of hydrogen-rich premixed combustion
U Ahmed, AL Pillai, N Chakraborty, R Kurose
Physics of Fluids 32 (5), 2020
162020
A Posteriori Assessment of Algebraic Scalar Dissipation Models for RANS Simulation of Premixed Turbulent Combustion
U Ahmed, R Prosser
Flow, Turbulence and Combustion 100 (1), 39-73, 2018
162018
Influence of thermal wall boundary condition on scalar statistics during flame-wall interaction of premixed combustion in turbulent boundary layers
U Ahmed, N Chakraborty, M Klein
International Journal of Heat and Fluid Flow 92, 108881, 2021
152021
Assessment of Bray Moss Libby formulation for premixed flame-wall interaction within turbulent boundary layers: Influence of flow configuration
U Ahmed, N Chakraborty, M Klein
Combustion and Flame 233, 111575, 2021
152021
Statistics of reaction progress variable and mixture fraction gradients of a pulverised coal jet flame using Direct Numerical Simulation data
U Ahmed, C Turquand d’Auzay, M Muto, N Chakraborty, R Kurose
Proceedings of the Combustion Institute 37 (3), 2821-2830, 2019
152019
Effects of fuel Lewis number on the near-wall dynamics for statistically planar turbulent premixed flames impinging on inert cold walls
I Konstantinou, U Ahmed, N Chakraborty
Combustion Science and Technology 193 (2), 235-265, 2021
132021
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