COMPARISON OF SIMULATED AND MEASURED VOIDAGE AND VELOCITY PROFILES AND FLUCTUATIONS IN A CFB RISER

机译：CFB立管中模拟和测量的空隙率和速度分布以及波动的比较

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The paper presents results from a 2D simulation of a CFB cold model. The simulation is conducted with Fluent6.1.22 using a new simple model for the gas-solid drag force. The general fluidization characteristics shown by the simulation are qualitatively correct. Axial solids holdup profiles and lateral voidage and velocity profiles are similar to the measured ones. Fluctuations in solids velocity and concentration are as expected. Additional simulations are conducted to test the usability of the drag model in a wider range of cases.

机译：本文介绍了CFB冷模型的2D仿真结果。通过Fluent6.1.22使用新的简单模型对气固阻力进行仿真。仿真显示的一般流化特性在质量上是正确的。轴向固体滞留曲线，横向空隙率和速度曲线与测量的相似。固体速度和浓度的波动符合预期。进行了附加的仿真以测试阻力模型在更广泛的情况下的可用性。

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来源
《International Conference on Circulating Fluidized Beds; 20050510-13; Hangzhou(CN)》|2005年|P.105-112|共8页
会议地点 Hangzhou(CN)
作者
Sirpa Kallio;
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作者单位

Abo Akademi University, Heat Engineering Laboratory Piispankatu 8, FIN-20500 Turku, Finland;

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原文格式 PDF
正文语种 eng
中图分类热力工程、热机;
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1. Pressure and apparent voidage profiles for riser with an abrupt exit (T-shape) in a CFB riser operating above fast fluidization regimes [J] . Monazam Esmail R., Breault Ronald W., Shadle Lawrence J. Powder Technology: An International Journal on the Science and Technology of Wet and Dry Particulate Systems . 2016,第Null期

机译：CFB立管中具有突然出口（T形）的立管的压力和表观空隙率曲线在快速流化状态下运行
2. Higher order statistical analysis of Eulerian particle velocity data in CFB risers as measured with high speed particle imaging [J] . Balaji Gopalan, Frank Shaffer Powder Technology: An International Journal on the Science and Technology of Wet and Dry Particulate Systems . 2013,第Null期

机译：高速粒子成像测量的CFB立管中欧拉粒子速度数据的高阶统计分析
3. Comparison of Measured and Simulated Friction Velocity and Threshold Friction Velocity Using SWEEP [J] . Pi Huawei, Sharratt Brenton, Feng Gary, Soil Science . 2014,第8期

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4. COMPARISON OF SIMULATED AND MEASURED VOIDAGE AND VELOCITY PROFILES AND FLUCTUATIONS IN A CFB RISER [C] . Sirpa Kallio, Zhejiang University, Ministry of Education of China, International Conference on Circulating Fluidized Beds . 2005

机译：模拟和测量的空转和速度谱的比较和CFB立管中的波动
5. Study on the hydrodynamics and flow mechanisms in CFB risers . [D] . Peng, Botao. 2010

机译：CFB立管的流体动力学和流动机理研究。
6. Accuracy of the Flow Velocity and Three-directional Velocity Profile Measured with Three-dimensional Cine Phase-contrast MR Imaging: Verification on Scanners from Different Manufacturers [O] . Tomoya Watanabe, Haruo Isoda, Atushi Fukuyama, 2019

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7. The voidage in a CFB riser as function of solids flux and gas velocity [O] . Zhang, H. L., Degrève, J., Baeyens, Jan, 2015

机译：CFB立管中的空隙率是固体通量和气体速度的函数

COMPARISON OF SIMULATED AND MEASURED VOIDAGE AND VELOCITY PROFILES AND FLUCTUATIONS IN A CFB RISER

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