Low NOx Combustion by a Cyclone-Jet Combustor.

概要

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As a means for a stable premixed combustion, there is a so-called cyclone combustor, which consists of a cylindrical chamber and fuel nozzles installed tangentially on the side wall. In this combustor an extremely stable flame can be obtained in the swirl flow, formed along the inner wall of the combustor. The authors utilized this combustor as a flame holder, to burn a high velocity jet flowing axially in the central part, and named this new combustor a cyclone-jet combustor. In the present study, the excellent flame stability is shown for the cyclone-jet combustor and, comparing among premixed, non-premixed and partially premixed flame, the low NO<SUB>x</SUB> combustion characteristics was experimentally examined for this combustor.
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