| 垂直管密相输送的数值模拟 |
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| 引用本文： | 蒲文灏,赵长遂,熊源泉,梁财,陈晓平,鹿鹏,范春雷.垂直管密相输送的数值模拟[J].动力工程,2008,28(1):95-99. |
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| 作者姓名： | 蒲文灏 赵长遂 熊源泉 梁财 陈晓平 鹿鹏 范春雷 |
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| 作者单位： | 东南大学洁净煤发电及燃烧技术教育部重点实验室,南京,210096 |
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| 基金项目： | 国家重点基础研究发展计划(973计划) |
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| 摘 要： | 基于稠密气体分子运动论和颗粒动力学,应用稠密气固两相流动的欧拉一欧拉双流体数学模型,利用数值方法模拟模拟垂直管内上升流动的行为,得到了气相和颗粒相速度分布以及压力损失.将该模型运用到垂直管高压密相(输送压力3 MPa、最大固气比426 kg/m3)气力输送中,结果表明模型预测的压降梯度与实验测量结果相符合.
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| 关 键 词： | 工程热物理 颗粒动力学 双流体模型 气力输送 密相 垂直管 密相输送 数值模拟 Pipe Vertical Phase Dense Simulation 测量结果 实验 梯度 压降 预测 气力输送 固气比 输送压力 压密 运用 流体数学模型 压力损失 |
| 文章编号： | 1000-6761（2008）01-0095-05 |
| 收稿时间： | 2007-03-23 |
| 修稿时间： | 2007年3月23日 |
Numerical Simulation of the Dense Phase Conveying in Vertical Pipe |
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| PU Wen-hao,ZHAO Chang-sui,XIONG Yuan-quan,LIANG Cai,CHEN Xiao-ping,LU Peng,FAN Chun-lei.Numerical Simulation of the Dense Phase Conveying in Vertical Pipe[J].Power Engineering,2008,28(1):95-99. |
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| Authors: | PU Wen-hao ZHAO Chang-sui XIONG Yuan-quan LIANG Cai CHEN Xiao-ping LU Peng FAN Chun-lei |
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| Abstract: | The gas-phase and granular-phase velocity distribution and pressure loss were obtained through the numerical simulation of the upwards flow characteristics in the vertical pipe by using an Euler-Euler two fluid model of dense gas-solid two phase flow based on the kinetic theory of dense gases and kinetic theory of granular.The numerical simulation model was applied to the dense-phase pneumatic conveying system with high pressure(the conveying pressure is 3 MPa,maximum solid-gas ratio is 426 kg/m~3) in vertical pipe.The pressure drop gradient predicted by the model is consistent with the experimental results. |
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| Keywords: | engineering thermophysics kinetic theory of granular two fluid model pneumatic conveying dense phase |
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