Determination of Premixed Flame Characteristics by Tomographic PIV
J.T. Clarke (TU Delft - Mechanical Engineering)
Gerrit Elsinga – Mentor (TU Delft - Fluid Mechanics)
M. J. Tummers – Mentor (TU Delft - Fluid Mechanics)
F Scarano – Graduation committee member (TU Delft - Aerodynamics)
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Abstract
With global greenhouse gas emissions continuing to rise, there is a growing need to reduce the environmental impact of industrial processes. One area of interest is the development of alternative fuel sources, such as hydrogen; however, the characteristics of hydrogen flame propagation are not yet fully understood. Modern combustion research relies on CFD modelling, which depends on physical parameters such as the turbulent burning velocity. Tomographic particle image velocimetry (PIV) was chosen as the most effective method to study turbulent burning velocity. This technique was employed to simultaneously capture the flame front location and the flow velocity field. The results indicate that both flame front detection and velocity field measurement can be performed concurrently on varying flame conditions. This study concludes that tomographic PIV is a viable approach for investigating flame front propagation and particularly the turbulent burning velocity, in premixed combustion.