【Key words】 internal circulating fluidized bed; photocatalytic reactor; numerical simulation; multiphase flow
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循环流化床锅炉炉内的燃烧及传热与炉内床料的状态密切相关,而炉内床料主要是由燃煤含有的矿物组分经过燃烧、爆裂和磨耗过程形成的。
The combustion and heat transfer in CFB boiler are related with the bed material, while the bed material is formed during the coal combustion, fragment and attrition processes.
针对差速循环流化床的结构及特有形式,采用小室模型的方法,对炉内煤的燃烧及其物理、化学反应过程进行了相应的仿真计算。
According to the special structure of the differential velocity bed, a simulation calculation of the coal combustion and the physical and chemical process was carried out by the cell model.
在循环流化床内的传热研究方面,大多数研究者从事的是床层与换热表面之间的传热研究,而忽略了床中重要的气固两相间的传热。
In the study of heat transfer in CFB, most researchers focus on the heat transfer between the bed and the wall, few people attach importance to the gas-solid interfacial heat transfer.
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