Observation of premixed flame fronts by laser tomography

2008, Volume 2, Issue 4

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Frontiers in Energy >> 2008, Volume 2, Issue 4 doi: 10.1007/s11708-008-0069-3

Observation of premixed flame fronts by laser tomography

Institute of Engineering Thermophysics, Chinese Academy of Sciences;

Available online: 2008-12-05

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Abstract

The principle of combustion field detection by using laser tomography, as well as exploitation of the laser tomography apparatus and the tool for image processing is described. An experiment detecting flame fronts by laser tomography was made by employing a V-shaped premixed flame. The results show that the instantaneous geometric shape of flame wrinkles within the light sheet can be clearly resolved. The contours of the flame fronts are precisely tracked through active contour models (ACM) from the digital images of laser tomography, laying the basis for the quantitative analysis of flame wrinkling and propagation.

Keywords

combustion ; tomography apparatus ; processing ; exploitation ; propagation

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