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多孔介质期刊
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ISSN 打印: 1091-028X
ISSN 在线: 1934-0508

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多孔介质期刊

DOI: 10.1615/JPorMedia.v16.i2.60
pages 155-165

MODELING, SIMULATION, AND CONTROL FOR A CONTINUOUS FLOW POROUS MEDIA BURNER

Luis Henriquez-Vargas
Department of Chemical Engineering, Universidad de Santiago de Chile, 3363 B. O'Higgins, Santiago, Chile
Valeri Bubnovich
Department of Chemical Engineering, Universidad de Santiago de Chile, 3363 B. O'Higgins, Santiago, Chile
Pablo Donoso-Garcia
Department of Chemical Engineering, Universidad de Santiago de Chile, B. O'Higgins 3363, Chile
F. Cubillos
Chemical Engineering Department, Universidad de Santiago de Chile, Postal Box 10233, B. O'Higgins 3363, Chile

ABSTRACT

The filtration combustion (FC) system in inert porous matrix is one of the most efficient combustion systems due to its better thermal efficiency and lower pollutant formation. The principal drawback of a uniform FC is its transient condition because the combustion wave can propagate freely along the porous matrix in either the downstream or upstream direction. In the present paper we study the positioning of the combustion front in a uniform FC by using a model predictive control (MPC) scheme. The study was carried out by means of simulations considering as manipulated variables the gas filtration velocity and fuel equivalence ratio of CH4/air gas mixtures. The controlled variable was the flame position along the burner. Confinement schemes for combustion wave position are introduced in two configurations: set-point tracking and periodically reversible operation, which show a powerful control scheme able to permanently operate and optimize homogeneous FC burners.


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