●Chapter 1 Background
Chapter 2 Literature Survey
2.1 Introduction
2.2 Complex pipe systems
2.2.1 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 methods
2.3.1 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 conditions
3.2.1 Backgrounds
3.2.2 Experimental set up and measurements
3.2.3 Mathematical model
3.2.4 Simulation conditions
3.3 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 forces
3.3.5 Effects of different model particle sizes
3.3.6 Effects of different solid mass flow rate
3.4 Conclusions
Chapter 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 conditions
4.4 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 solids
4.6 Conclusions
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 conditions
5.4 Results and discussion
5.4.1 Single pipe with inserts
5.4.2 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 conditions
6.4 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 Conclusions
Chapter 7 Effects Geometrical Parameters on the Gas-solid Flow in Bypass System
7.1 Introduction
7.2 Simulation method
7.3 Simulation conditions
7.4 Results and discussion
7.4.1 Effect of flute spacing
7.4.2 Effect of small internal pipe diameters
7.4.3 Effect of orifice path diameter
7.5 Conclusions
Chapter 8 Summary and Future Work
8.1 Summary
8.2 Future work
References

本書結合著作者在三山島金礦長期的工程經驗，繫統的總結了大型海底金礦地質隱患的探測、處理技術及監測技術，可為海底金礦的安全高效開采提供技術支撐，主要內容包括海底資源開采概述、三山島金礦西南翼礦段工程地質評價及三維模型、應力-滲流耦合作用下的破碎礦岩物理力學特性及本構模型、海底基岩開采隱伏采空區及塌陷區分布、海底破碎礦岩及采空區充填注漿加固技術、基於多源信息融合的破碎礦岩穩定性評價、海底破碎礦岩穩立體綜合監測繫統及海底破碎礦岩穩定性監測數據分析。