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Flame stabilization between two beds of alumina balls in a porous burner
Authors:Valeri Bubnovich  Mario Toledo  Luis Henríquez  César Rosas  Julio Romero
Affiliation:1. Department of Chemical Engineering, Universidad de Santiago de Chile, B.O’Higgins 3363, Santiago, Chile;2. Department of Mechanical Engineering, Universidad Técnica Federico Santa Maria, Av. España 1680, Valparaiso, Chile;1. The Key Laboratory of Clean Combustion for Electric Generation and Heat Supply Technology, Liaoning Province, Shenyang Institute of Engineering, Shenyang 110136, Liaoning, China;2. Key Laboratory of Electromagnetic Processing of Materials (Ministry of Education), Northeastern University, P.O. Box 314, Shenyang 110819, China;1. National Key Laboratory on Electromechanical Dynamic Control, Beijing Institute of Technology, Beijing 100081, China;2. Key Laboratory for Thermal Science and Power Engineering of Ministry of Education, Department of Thermal Engineering, Tsinghua University, Beijing 100084, China;1. Department of Mechanical Engineering, Inha University, 100 Inha-ro, Nam-gu, Incheon 402-751, Republic of Korea;2. School of Mechanical and Automotive Engineering, Halla University, Wonju 220-712, Republic of Korea
Abstract:Conditions for flame stabilization in a porous media combustor formed by two beds of different sizes of alumina balls were studied. Premixed combustion of lean methane–air mixtures were used as variables. Measurements performed included temperature profiles and chemical products compositions. Stabilized flames were observed in the range of volumetric flow rate from 7.01 l/min to 19.00 l/min at equivalence ratio of ? = 0.6 and ? = 0.7. Low pollutants emissions were found in the entire operation range.
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