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Projects: Projects for Investigator
Reference Number EP/V003534/1
Title A combined experimental and numerical investigation of premixed flame-wall interaction in turbulent boundary layers
Status Started
Energy Categories Energy Efficiency(Residential and commercial) 10%;
Energy Efficiency(Transport) 25%;
Fossil Fuels: Oil Gas and Coal(Oil and Gas, Oil and gas combustion) 65%;
Research Types Basic and strategic applied research 100%
Science and Technology Fields ENGINEERING AND TECHNOLOGY (Mechanical, Aeronautical and Manufacturing Engineering) 100%
UKERC Cross Cutting Characterisation Not Cross-cutting 100%
Principal Investigator Professor N (Nilanjan ) Chakraborty
No email address given
Mechanical and Systems Engineering
Newcastle University
Award Type Standard
Funding Source EPSRC
Start Date 24 May 2021
End Date 23 May 2025
Duration 48 months
Total Grant Value £776,896
Industrial Sectors Aerospace; Defence and Marine
Region North East
Programme NC : Engineering
Investigators Principal Investigator Professor N (Nilanjan ) Chakraborty , Mechanical and Systems Engineering, Newcastle University (99.998%)
  Other Investigator Dr AJ Aspden , Sch of Engineering, Newcastle University (0.001%)
Dr U Ahmed , Sch of Engineering, Newcastle University (0.001%)
  Industrial Collaborator Project Contact , EDF Energy (0.000%)
Project Contact , CD adapco Group (0.000%)
Project Contact , Ricardo AEA Limited (0.000%)
Project Contact , Renuda UK (0.000%)
Project Contact , Convergent Science Network (0.000%)
Web Site
Abstract The presence of walls alters the thermo-chemical and fluid-dynamical processes associated with turbulent premixed flames. The increasing demands for light-weight combustors make flame-wall interactions (FWI) inevitable, which influence the cooling load, thermal efficiency and pollutant emission in these applications. However, this aspect has not yet been sufficiently analysed in the existing turbulent reacting flow literature because of the challenge this poses for both experimental and numerical investigations in terms of spatial and temporal resolutions among others. Therefore, a thorough physical understanding of the FWI mechanism is necessary to develop and design more energy-efficient and environmentally-friendly combustion devices. In this project, recent advances of both high-performance computing and experimental techniques will be utilised to analyse and model premixed FWI in turbulent boundary layers (TBLs). The proposed analysis will consider different FWI configurations (based on the orientation of the mean flame normal with respect to the wall) in turbulent channel flows and unconfined boundary layers (BLs) using state-of-the-art experiments and high-fidelity Direct Numerical Simulations for different wall boundary conditions. Experiments will utilize a suite of advanced laser diagnostics, providing new simultaneous measurement capabilities. DNS will simulate the turbulent flow without any recourse to physical approximations. The fundamental physical insights obtained from DNS and experimental data will be used to develop a novel hybrid RANS/LES approach for device-scale simulation of FWI, building on expertise in the context of Flame Surface Density (FSD) and Scalar Dissipation Rate (SDR) closures for Reynolds Averaged Navier Stokes (RANS) and Large Eddy Simulations (LES). The newly-developed models will be implemented to carry out hybrid RANS/LES of experimental configurations for the purpose of model validation. The project will offer robust and cost-effective Computational Fluid Dynamics (CFD) design tools for fuel-efficient and low-emission combustion devices (e.g. gas turbines, micro-combustors and automotive engines)
Publications (none)
Final Report (none)
Added to Database 02/07/21