Abstract
The performance of PIV system for combusting flow was evaluated by using artificial images generated from computer graphics and experimental data. The influences of shutter speed, filter, laser power and the PIV algorithms on the measurement uncertainty were studied for optimizing the performance of the PIV system. This system was applied to the spray combustor model for boiler, and the flow patterns with and without combustion were elucidated. Results showed that the burner flow generates complex three-dimensional flow pattern, which contributes to highly mixed fuel flow in the combustor. Although the flow pattern with and without combustion is similar, the growth of burner flow area and an increase in velocity magnitude are found in the flow field by the influence of chemical reactions in combustion.
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Masaya Kiuchi: Graduate School of Niigata University (M.E. 2005); now working at Suzuki Corporation.
Nobuyuki Fujisawa: Tohoku University (D.E. 1983); joined Gunma University in 1983; Associate professor; 1991. Professor, Niigata University, 1997. Principal research field: visualization, non-intrusive measurement and control of thermal and fluid flow phenomenon in mechanical engineering.
Shigeyuki Tomimatsu: Graduate School of Kansai University (M.E. 2000), Graduate School of Niigata University (D.E. 2004). Research and Development Center at DMW Corporation (2003). Research interests: computational fluid dynamics and quantitative flow visualization for fluid machinery.
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Kiuchi, M., Fujisawa, N. & Tomimatsu, S. Performance of a PIV system for a combusting flow and its application to a spray combustor model. J Vis 8, 269–276 (2005). https://doi.org/10.1007/BF03181505
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DOI: https://doi.org/10.1007/BF03181505