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Please use this identifier to cite or link to this item: http://dspace.library.iitb.ac.in/jspui/handle/10054/10826

Title: Experimental investigations on flame stabilization behavior in a diverging micro channel with premixed methane-air mixtures
Authors: KHANDELWAL, B
KUMAR, S
Keywords: combustion
power
model
Issue Date: 2010
Publisher: PERGAMON-ELSEVIER SCIENCE LTD
Citation: APPLIED THERMAL ENGINEERING, 30(17-18), 2718-2723
Abstract: In the present paper, experimental investigations on the characterization of flame stabilization behavior in a 2.0 mm wide diverging channel are carried out with premixed methane-air mixtures. The effect of mixture equivalence ratio (Phi) and flow rate on flame shape, position, stability and emissions are reported in this work. The diverging portion of channel is preheated from the bottom side with a sintered metal burner to provide a positive temperature gradient along the direction of fluid flow which helps in stabilizing a flame in the channel. For a range of velocities and equivalence ratios, different types of stable and partially stable flame propagation modes were observed. Flames obtained for rich mixtures exhibited more stable nature as compared to lean mixtures. The flame stability limits were observed to vary between 0.2 m/s and 1.9 m/s for a range of mixture equivalence ratios.
URI: http://dx.doi.org/10.1016/j.applthermaleng.2010.07.023
http://dspace.library.iitb.ac.in/xmlui/handle/10054/10826
http://hdl.handle.net/10054/10826
ISSN: 1359-4311
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