A new analytical tomographic reconstruction technique was developed for the determination of the extinction and scattering coefficient distributions in axisymmetric media. This method, called “scattering tomography,” was tested for several particle concentration profiles corresponding to those for diffusion flames. After that, a series of experiments were performed on sooting acetylene flames using an argon-ion laser nephelometer. The experimental results were reduced using both the transmission and scattering tomography techniques to obtain the extinction coefficient profiles. It was shown that in the center of the flame, the results from these two approaches were in good agreement. Scattering tomography can be used to determine both the absorption and scattering coefficient distributions in the medium. In addition to that, it is preferable over the transmission tomography if the medium is optically very thin and particles are predominantly scattering.
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Scattering Tomography and Its Application to Sooting Diffusion Flames
M. P. Mengu¨c¸,
M. P. Mengu¨c¸
Department of Mechanical Engineering, University of Kentucky, Lexington, KY 40506
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P. Dutta
P. Dutta
Department of Mechanical Engineering, University of Kentucky, Lexington, KY 40506
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M. P. Mengu¨c¸
Department of Mechanical Engineering, University of Kentucky, Lexington, KY 40506
P. Dutta
Department of Mechanical Engineering, University of Kentucky, Lexington, KY 40506
J. Heat Transfer. Feb 1994, 116(1): 144-151 (8 pages)
Published Online: February 1, 1994
Article history
Received:
August 1, 1992
Revised:
April 1, 1993
Online:
May 23, 2008
Citation
Mengu¨c¸, M. P., and Dutta, P. (February 1, 1994). "Scattering Tomography and Its Application to Sooting Diffusion Flames." ASME. J. Heat Transfer. February 1994; 116(1): 144–151. https://doi.org/10.1115/1.2910848
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