Abstract
By forming a laser beam to a 2-D light sheet and collecting the intensity distribution within the sheet by using a 2-D photoelectrical detector, instantaneous 2-D density or temperature measurements are possible in a large number of hydrocarbon-air flames, providing also qualitative visualization as quantitative results over an extended combustion field of interest. The emphasis of our work is in this first stage on the quantitative evaluation of the 2-D Rayleigh images, which is done in laminar premixed flames in comparison to point measurements by spontaneous Raman scattering. In a further step the use for large-scale burners is planned.
© 1991 Optical Society of America
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