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An Experimental Study on Flame Structure and Combustion Characteristics of Turbulent Diffusion Flame(III)
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 Title & Authors
An Experimental Study on Flame Structure and Combustion Characteristics of Turbulent Diffusion Flame(III)
Jang, In-Gap; Choe, Gyeong-Min; Choe, Byeong-Ryun;
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 Abstract
So most practical combustor is considered to the swirl flame, it is very important to examinate swirl flame structure and combustion characteristics. Recently, attention has been paid to the flame diagnostic by radical luminous intensity. For swirl flame structure and combustion characteristic, reverse flow boundary, temperature, ion current and radical luminous intensity were measured in the double-coaxial swirl combustor which was used principle of multi-annular combustor. This study had three experimental condition, S-type, C-type, SC-type. S-type and C-type flames were formed recirculation zone, but SC-type flame wasn't formed. C-type flame had two recirculation zone. The position with maximum value of ion current and CH-radical, temperature and OH-radical had similarity distribution almost. Therefore, it is possible that the macro structure of flame was measured by radical luminous intensity in the high intensity of turbulent combustion field which was formed by swirl.
 Keywords
Luminous intensity of Radicals;Flame Diagnosis;Recirculation Zone;Reverse Flow Boundary;Double-Coaxial Swirl Combustor;
 Language
Korean
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