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| 1 | Particle size distribution in CPFD modeling of gas-solid flows in a CFB riser显示文摘A computational particle fluid dynamics(CPFD) numerical method to model gas-solid flows in a circulating fluidized bed(CFB) riser was used to assess the effects of particle size distribution(PSD) on solids distribution and flow.We investigated a binary PSD and a polydisperse PSD case.Our simulations were compared with measured solids concentrations and velocity profiles from experiments,as well as with a published Eulerian-Eulerian simulation.Overall flow patterns were similar for both simulation cases,as confirmed by experimental measurements.However,our fine-mesh CPFD simulations failed to predict a dense bottom region in the riser,as seen in other numerical studies.Above this bottom region,distributions of particle volume fraction and particle vertical velocity were consistent with our experiments,and the simulated average particle diameter decreased as a power function with riser height.Interactions between particles and walls also were successfully modeled,with accurate predictions for the lateral profiles of particle vertical velocity.It was easy to implement PSD into the CPFD numerical model,and it required fewer computational resources compared with other models,especially when particles with a polydisperse PSD were present in the heterogeneous flow. | Qinggong Wang Timo Niemi Juho Peltola Sirpa Kallio Hairui Yang Junfu Lu Lubin Weic | 2015 | Particuology2015，13，4： | 8 |
| 2 | Comprehensive mathematical model for coal combustion in the circulating fluidized bed combustor显示文摘 | Jin Xiaozhong Lu Junfu Yang Hairui | | Tsinghua Science and Technology0，6，4： | 1 |
| 3 | Effect of pyrolysis intensity on the reactivity of coal char显示文摘 | ZHANG Shouyu LU Junfu ZHANG Jiansheng | 2008 | Energy & Fuels2008，22，： | 1 |
| 4 | Heat transfer coefficient calculation method of the heater in the circulating fluidized bed furnace显示文摘 | Lu Junfu Zhang Jiansheng Yue Guangxi | 2002 | Heat Transfer: Asian Research2002，31，7： | 1 |
| 5 | Removal performance and mechanism of TP in constructed rapid infiltration system显示文摘 | XU Wenlai LU Junfu LU Yixin | 2012 | Energy Education Science and Technology2012，30，2： | 1 |
| 6 | Effects of riser height and total solids inventory on the gas–solids in an ultra-tall CFB riser显示文摘 | Nan Hu Hai Zhang Hairui Yang Shi Yang Guangxi Yue Junfu Lu Qing Liu | 2009 | Powder Technology2009，，1： | 1 |
| 7 | Heat transfer coefficient calculation method of the heater in the circulating fluidized bed furnace显示文摘 | Lu Junfu Zhang Jiansheng Yue Guangxi | 2002 | Heat Transfer-Asia Research2002，31，7： | 1 |
| 8 | 1D modeling on the material balance in CFB boiler显示文摘 | Hairui Yang Guangxi Yue Xianbin Xiao Junfu Lu Qing Liu | 2005 | Chemical Engineering Science2005，，20： | 1 |
| 9 | Modehng of sulfur retention in circulating fluidized bed coal combustors 显示文摘 | Qiao Rui Lu Junfu Yue Guangxi | 2001 | Tsinghua Science and Technology2001，6，4： | 1 |
| 10 | Heat Transfer Coefficient Calculation Method of the Heater in the Circulating Fluidized Bed Furnace显示文摘 | Lu Junfu Zhang Jiansheng Yue Guangxi | 2002 | Heat Transfer-Asia Research2002，31，7： | 1 |
| 11 | Development of high temperature air combustion technology in pulverized fossil fu- el fired boilers 显示文摘 | ZHANG HAl YUE GUANGXI LU JUNFU | 2007 | Proceedings of the Combustion Institute2007，31，： | 1 |
| 12 | Development of High Temperature Air Combustion Technology in Pulverized Fossil Fuel Fired Boilers 显示文摘 | HAI ZHANG GUANGXI YUE JUNFU LU | 2007 | Proceedings of the Combustion Institute2007，31，： | 1 |
| 13 | Application of CPFD method in the simulation of a circulating fluidized bed with a loop seal Part II--Investigation of solids circulation显示文摘 | WANG Qinggong YANG Hairui LU Junfu | 2014 | Powder Technology2014，253，： | 1 |
| 14 | Heat transfer coefficient calculation method of the heater in the circulating fluidized bed furnace 显示文摘 | LU Junfu ZHANG Jiansheng YUE Guangxi | 2002 | Heat Transfer-Asia Research2002，31，7： | 1 |
| 15 | An experimental study on the dying kinetics of lignite inhigh temperature nitrogen atmosphere 显示文摘 | Zheng Hongjun Zhang Shouyu Guo Xi? Lu Junfu DongAixia Deng Wenxiang Tang Wenjiao Zhao Menghao JinTao | 2014 | Fuel2014，126，： | 1 |
| 16 | Coal ignition characteristics in CFB boiler显示文摘 | Yang Hairui Lu Junfu Zhang Hai | 2005 | Fuel2005，84，1415： | 1 |
| 17 | Research on Calculation Models of Coal Comminution Energy Consumption显示文摘在总结粉碎功耗规律的研究进展的基础上,分析了单一粒度颗粒的粉碎功耗预测理论,介绍了粉碎功耗理论的3种著名假说体积假说、面积假说、裂缝假说及其修正计算方法,并进行了比较,描述了粉碎功耗计算的通用关系式和近年来提出的新机制,包括原生裂纹假说、突变理论及分形理论等;进而针对具有复杂粒度分布物料的粉碎功耗,将给料与产品粒度分布作为参数引入能耗计算中,获得了当粒度分布分别满足G.S分布、R—R分布、分形分布时的各种粉碎功耗理论预测结果。此外,还列出了部分常用的粉碎功耗经验关联式并进行了比较。文中提出在研究煤的粉碎功耗规律时,采用Walker计算式结合分形粒度分布或R-R分布的能耗模型及Morrell经验式是可行的。 | LIU Xuemin WU Yuxin LU Junfu YUE Guangxi | 2013 | 中国电机工程学报2013，33，2： | 1 |
| 18 | Heat transfer coefficient calculation method of the heater in the circulating fluidized bed furnace 显示文摘 | Lu Junfu Zhang Jiangsheng Yue Guangxi | 2003 | Heat Transfer-Asia Research2003，31，7： | 1 |
| 19 | Performance evalua- tion of a 220 t/h CFB boiler with water-cooled squtu'e eychmes显示文摘 | Lu Junfu Zhang Jiansheng Zbang }tai a al | 2007 | Fuel Process Teehnol2007，88，2： | 1 |
| 20 | Coal ignition characteristics in CFB boiler 显示文摘 | Hairui Yang Junfu Lu Hai Zhang | 2005 | Fuel2005，84，： | 1 |
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