An Experimental Study on the Causes of the Combustion Instability in a Dump Combustor

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dc.contributor.authorHong, Jung Goo-
dc.contributor.authorLee, Min Chul-
dc.contributor.authorLee, Uen Do-
dc.contributor.authorOh, Kwang Chul-
dc.contributor.authorShin, Hyun Dong-
dc.date.accessioned2010-09-06-
dc.date.available2010-09-06-
dc.date.issued2005-
dc.identifier.urihttp://hdl.handle.net/10203/19200-
dc.description.abstractThe stabilization of turbulent flames, together with the emission of combustion products, is the most important problem of the gas turbine combustor. In this study, we made a model gas turbine combustor which has a dump plane and investigated the combustion phenomena with various experimental conditions such as the variation of equivalence ratio, various mixing process of the fuel and air, and fuel injection method. The heat release rate of the flame, the stabilization region of the flame, and the pressure fluctuation of the flow are closely connected to one another in the instability mechanism. We changed the fuel flow modulation, the heat release rate with the load change of the gas turbine and the equivalence ratio variation of the mixing process. We found that the role of the vortex flow near the flame, the modulation of the reactant flow and the flame stabilization mechanism are the key parameters of the combustion instability of the gas turbine combustor.en
dc.description.sponsorshipCombustion Engineering Research Center (CERC) at the Korea Advanced Institute of Science and Technology, as well as by Brain Korea 21, and Mitsubishi Heavy Industries, Ltd., Japan.en
dc.language.isoenen
dc.publisherACGTen
dc.relation.ispartofseriesACGT 2005-007en
dc.subjectCombustion Instabilityen
dc.subjectDump Combustoren
dc.titleAn Experimental Study on the Causes of the Combustion Instability in a Dump Combustoren
dc.typePresentationen

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