Numerical Study of Particle-fluid Flow in Complex
全新正版 极速发货
￥ 62.16 6.5折 ￥ 96 全新
库存6件
作者李政权 著
出版社冶金工业出版社
ISBN9787502487744
出版时间2021-03
装帧平装
开本16开
定价96元
货号1202372305
上书时间2024-09-30
商品详情
- 品相描述：全新
- 商品描述
-
商品简介
本专著对循环流化床（CFB）提升管及不同气力输送系统中的气固流动进行了数值研究。使用了三种不同的数值方法对于密相气力输送进行了一系列仿真研究，主要内容如下：1、工业规模循环流化床提升管的粗颗粒CFD-DEM仿真模拟研究。□、长距离密相气力输送系统（LHD）的双流体模型（TFM）以及CFD-DEM仿真模拟研究。3、挡板型变径管道气力输送系统的设计以仿真模拟研究。4、双套管气力输送系统中气相和固相流动机理的仿真模拟研究：首次对新型双套管气力输送系统中的气固两相流进行了CFD-DEM研究。
目录Chapter 1 Background
Chapter 2 Literature Survey
2.1 Introduction
2.2 Complex pipe systems2.2.1 Industrial scale circulating fluidized bed (CFB)
2.2.2 Long-distance high-pressure dense-phase (LHD) pneumatic conveying system
2.2.3 Bypass pneumatic conveying system
2.3 Numerical methods2.3.1 Two fluid model (TFM)
2.3.2 Discrete element method (DEM)
2.3.3 Coupling of DEM and CFD
2.3.4 Coarse-grained (CG) /parcel CFD-DEM approach
2.4 Summary and proposed research
Chapter 3 Simulation of Industrial Scale CFB Using Coarse Grained CFD-DEM Model
3.1 Introduction
3.2 Experiments and simulation conditions3.2.1 Backgrounds
3.2.2 Experimental set up and measurements
3.2.3 Mathematical model
3.2.4 Simulation conditions3.3 Results and discussion
3.3.1 Axia] pressure gradient
3.3.2 Solid velocity and concentration
3.3.3 Particle cluster and solids back mixing
3.3.4 Analysis of the interaction forces3.3.5 Effects of different model particle sizes
3.3.6 Effects of different solid mass flow rate
3.4 ConclusionsChapter 4 Computational Study of Gas-solid Flow in LHD Pneumatic Conveying Systems
4.1 Introduction
4.2 Mathematical model
4.2.1 TFM
4.2.2 CFD-DEM
4.3 Simulation conditions4.4 Model validation
4.5 Results and discussion
4.5.1 Pressure drop
4.5.2 Gas velocity
4.5.3 Solid velocity
4.5.4 Forces governing the motion of solids4.6 Conclusion2<2r>
Chapter 5 Numerical Study of Gas-solid Flow in Stepped Pipe with Inserts
5.1 Introduction
5.2 Mathematical model
5.2.1 TFM
5.2.2 CFD-DEM
5.3 Simulation conditions5.4 Results and discussion
5.4.1 Single pipe with inserts5.4.2 Stepped pipe with inserts
5.4.3 Different shape of inserts
5.5 Conclusions
Chapter 6 Particle-scale Modelling of Gas-solid Flow in Bypass System
6.1 Introduction
6.2 Mathematical model
6.3 Simulation conditions6.4 Results and discussion
6.4.1 Grid study
6.4.2 Pressure drop
6.4.3 Gas velocity
6.4.4 Solid velocity and general flow pattern
6.4.5 Forces governing particle motion
6.5 ConclusionsChapter 7 Effects Geometrical Parameters on the Gas-solid Flow in Bypass System
7.1 Introduction
7.2 Simulation method
7.3 Simulation conditions7.4 Results and discussion
7.4.1 Effect of flute spacing
7.4.2 Effect of small internal pipe diameters7.4.3 Effect of orifice path diameter
7.5 ConclusionsChapter 8 Summary and Future Work
8.1 Summary
8.2 Future work
References
— 没有更多了 —
以下为对购买帮助不大的评价