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Proceedings Paper

Effect of composition distribution on holographic temperature measurement for a diffuse flame
Author(s): Sheng-Mao Tieng; Y. C. Wang
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Paper Abstract

Application of phase-shift holographic interferometry to nonintrusive temperature measurement of a laminar, axisymmetric, propane diffuse flame is investigated in this work. In our previous work the effect of composition changes on the holographic temperature measurement of reacting flows was experimentally studied for the cases of the axisymmetric, propane, laminar premixed lean (PLF) and partially premixed flame (PPF). To further examine this effect, in this work the effect for the case of diffuse flame (DF) is investigated. It has been shown that for the DF, the composition distribution is most complicated and the composition effect is severest comparing to the PLF and PPF. In order to obtain accurate and satisfactory holographic results, it is necessary to measure the species concentration at lower flame heights, and use linear interpolation of the molar refractivity at higher test sections.

Paper Details

Date Published: 29 September 1995
PDF: 14 pages
Proc. SPIE 2546, Optical Techniques in Fluid, Thermal, and Combustion Flow, (29 September 1995); doi: 10.1117/12.221535
Show Author Affiliations
Sheng-Mao Tieng, National Cheng Kung Univ. (Taiwan)
Y. C. Wang, National Cheng Kung Univ. (Taiwan)

Published in SPIE Proceedings Vol. 2546:
Optical Techniques in Fluid, Thermal, and Combustion Flow
Soyoung Stephen Cha; James D. Trolinger, Editor(s)

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