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A simplified analysis has been attempted on flame stabilization by bluff-body based on a physical model. The proposed theoretical model predicts with fair accuracy the experimental results of Zukoski and Marble (1956), Fetting et al. (1959) and also of the present investigation. Implications of theoretical and experimental results have been discussed.

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Flame stabilization by bluff-bodies has been investigated to highlight the role of recirculation zone on the phenomenon. It has been observed that close correlations exist between heat exchange from recirculation zone and flame stability as controlled by recirculation strength.

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