沈阳航空航天大学能源与环境学院，辽宁 沈阳 110136
收稿日期:2018-01-19修回日期:2018-04-19出版日期:2019-02-22发布日期:2019-02-12通讯作者:徐凌锋基金资助:国家重点基础研究发展计划项目Numerical simulation on heat transfer in a cylindrical fluidized bed
Lijun WANG*, Shuping DUAN, Lingfeng XU, Jiajun SUNCollege of Energy and Environment, Shenyang Aerospace University, Shenyang, Liaoning 110136, China
Received:2018-01-19Revised:2018-04-19Online:2019-02-22Published:2019-02-12摘要/Abstract
摘要： 对Shedid等搭建的圆柱体流化床采用欧拉?欧拉法进行三维数值模拟，考察了颗粒球形度、表观进气速度和床料初始堆积高度对流化床内垂直加热壁面与流动床料之间对流传热特性的影响，采用有效导热系数分别计算气相和固相的对流传热系数。结果表明，随表观进气速度增大，流化床内颗粒物料湍流运动加剧，加热壁面平均温度和流体平均温度下降，壁面流体间传热平均温度差减小，壁面流体间对流传热系数增大；随初始床料高度增加，流化床内颗粒与加热壁面的接触面积增大，导致固相平均对流传热系数增大。
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王力军 段叔平 徐凌锋 孙嘉君. 柱形流化床传热特性的数值模拟[J]. 过程工程学报, 2019, 19(1): 110-117.
Lijun WANG Shuping DUAN Lingfeng XU Jiajun SUN. Numerical simulation on heat transfer in a cylindrical fluidized bed[J]. Chin. J. Process Eng., 2019, 19(1): 110-117.
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