Abstract.
A three-dimensional (3-D) imaging system for studies of reactive and non-reactive flows is described. It can be used to reveal the topology of turbulent structures and to extract 3-D quantities, such as concentration gradients. Measurements are performed using a high repetition rate laser and detector system in combination with a scanning mirror. In this study, the system is used for laser-induced incandescence measurements to obtain quantitative 3-D soot volume fraction distributions in both laminar and turbulent non-premixed flames. From the acquired data, iso-concentration surfaces are visualised and concentration gradients calculated.
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Hult, .J., Omrane, .A., Nygren, .J. et al. Quantitative three-dimensional imaging of soot volume fraction in turbulent non-premixed flames. Exp Fluids 33, 265–269 (2002). https://doi.org/10.1007/s00348-002-0410-2
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DOI: https://doi.org/10.1007/s00348-002-0410-2