Development of Kinetics Models in Each Zone of a 10kg/hr Downdraft Gasifier using Computational Fluid Dynamics
نویسندگان
چکیده
منابع مشابه
Investigation of handmade ferrofluids' motion in a ventilated cavity using computational fluid dynamics
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متن کاملInvestigation of handmade ferrofluids' motion in a ventilated cavity using computational fluid dynamics
In this research, some more applicable ferrofluids are produced and their mechanical specifications are measured, experimentally. Also, their treatments in the ventilated cavity geometry are assessed numerically. The magnetite nanoparticles are produced by a chemical combination of Fe2+ and Fe3+ with NH3. In order to solve the nanoparticles in the new mediums, a...
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The model has been developed by considering two distinct zones in the downdraft gasifier: pyro-oxidation zone and reduction zone. The process in the pyro-oxidation zone has been solved based on the chemical equilibrium consideration considering water gas shift reaction and methanation reaction. The composition of different species (H2, CO, CO2, CH4, H2O, N2 and Char) and the temperature of the ...
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Kinetics-free equilibrium models can predict the exit gas composition, given the solid composition and the equilibrium temperature, but they cannot be used for reactor design Hence, there is a need to develop a combined transport and kinetic model which takes into account of the kinetics of homogeneous and heterogeneous chemical reactions, transport of volatiles produced, heat and mass transfer...
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ژورنال
عنوان ژورنال: Energy Procedia
سال: 2015
ISSN: 1876-6102
DOI: 10.1016/j.egypro.2015.11.485