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Simulation of Coal Combustion by AUSM Turbulence-Chemistry Char Combustion Model and a Full Two-Fluid Model
Zhang Y(张宇); Wei XL(魏小林); Zhou LX; Sheng HZ(盛宏至); Zhang, Y (reprint author), Chinese Acad Sci, Inst Mech, Beijing 100080, Peoples R China.
2005
发表期刊Fuel
卷号84期号:14-15页码:1798-1804
ISSN0016-2361
摘要An algebraic unified second-order moment (AUSM) turbulence-chemistry model of char combustion is introduced in this paper, to calculate the effect of particle temperature fluctuation on char combustion. The AUSM model is used to simulate gas-particle flows, in coal combustion in a pulverized coal combustor, together with a full two-fluid model for reacting gas-particle flows and coal combustion, including the sub-models as the k-epsilon-k(p) two-phase turbulence niodel, the EBU-Arrhenius volatile and CO combustion model, and the six-flux radiation model. A new method for calculating particle mass flow rate is also used in this model to correct particle outflow rate and mass flow rate for inside sections, which can obey the principle of mass conservation for the particle phase and can also speed up the iterating convergence of the computation procedure effectively. The simulation results indicate that, the AUSM char combustion model is more preferable to the old char combustion model, since the later totally eliminate the influence of particle temperature fluctuation on char combustion rate.
学科领域力学
DOI10.1016/j.fuel.2005.03.010
收录类别SCI ; EI
语种英语
WOS记录号WOS:000230940700008
关键词[WOS]NOX FORMATION ; FLAMES ; FLOWS
WOS研究方向Energy & Fuels ; Engineering
WOS类目Energy & Fuels ; Engineering, Chemical
引用统计
被引频次:10[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://dspace.imech.ac.cn/handle/311007/17423
专题力学所知识产出(1956-2008)
通讯作者Zhang, Y (reprint author), Chinese Acad Sci, Inst Mech, Beijing 100080, Peoples R China.
推荐引用方式
GB/T 7714
Zhang Y,Wei XL,Zhou LX,et al. Simulation of Coal Combustion by AUSM Turbulence-Chemistry Char Combustion Model and a Full Two-Fluid Model[J]. Fuel,2005,84(14-15):1798-1804.
APA 张宇,魏小林,Zhou LX,盛宏至,&Zhang, Y .(2005).Simulation of Coal Combustion by AUSM Turbulence-Chemistry Char Combustion Model and a Full Two-Fluid Model.Fuel,84(14-15),1798-1804.
MLA 张宇,et al."Simulation of Coal Combustion by AUSM Turbulence-Chemistry Char Combustion Model and a Full Two-Fluid Model".Fuel 84.14-15(2005):1798-1804.
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