靜電場與流場作用下細顆粒團聚遷移與沉積動力學 (英文版) 陳晟 9787302619543 【台灣高等教育出版社】

Name: 靜電場與流場作用下細顆粒團聚 遷移與沉積動力學 (英文版) 陳晟 9787302619543 【台灣高等教育出版社】
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物品所在地：中國大陸
原出版社：清華大學

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書名：靜電場與流場作用下細顆粒團聚遷移與沉積動力學 (英文版)
ISBN：9787302619543
出版社：清華大學
著編譯者：陳晟
頁數：138
所在地：中國大陸 *此為代購商品
書號：1652037
可大量預訂，請先連絡。

內容簡介

本書以靜電場、流場等複雜多場作用下細顆粒團聚、遷移與沉積行為為研究對象，發展了粘附性微米顆粒接觸相互作用及靜電相互作用的快速演算法（Fast DEM），並將該演算法與直接數值模擬結合，揭示了微米顆粒在湍流場內的碰撞與團聚機理，構建了湍流團聚核函數；進一步結合Oseen動力學演算法，給出了荷電顆粒群電遷移率及形狀演化與荷電強度、流體慣性之間的關聯規律；最後，針對細顆粒在極板及纖維表面的沉積過程，明晰了沉積體結構及過濾效率與顆粒微觀特性之間的關係。

1 Introduction
1 1 Adhesive Particle Flow
1 2 Example Systems
1 3 Collision and Agglomeration of Particles in Turbulence
1 4 Migration of Microparticles in an Electrostatic Field
1 5 Deposition of Microparticles and Clogging Phenomenon
1 6 Discrete Element Methods for Adhesive Particles
1 7 A Road Map to Chaps
References
2 A Fast Discrete Element Method for Adhesive Particles
2 1 Introduction
2 2 Discrete Element Method for Adhesive Particles
2 3 Critical Sticking Velocity for Two Colliding Particles
2 3 1 Temporal Evolution of the Collision Process
2 3 2 Prediction of the Critical Sticking Velocity
2 3 3 Effect of Particle Size
2 4 A Fast Adhesive DEM
2 4 1 Accelerating Adhesive DEM Using Reduced Stiffness
2 4 2 Modified Models for Rolling and Sliding Resistances
2 5 Determination of Parameters in Adhesive DEM
2 5 1 An Inversion Procedure to Set Parameters in Adhesive DEM
2 5 2 Comparison Between Experimental and DEM Results
2 6 Test on Packing Problem
2 6 1 Packing Fraction and Coordination Number
2 6 2 Local Structure of Packings
2 6 3 Interparticle Overlaps and Normal Forces
2 7 Summary
References
3 Agglomeration of Microparticles in Homogenous Isotropic Turbulence
3 1 Introduction
3 2 Methods
3 2 1 Fluid Phase Calculation
3 2 2 Equation of Motion for Solid Particles
3 2 3 Multiple-time Step Framework
3 2 4 Simulation Conditions
3 2 5 Identification of Collision，Rebound and Breakage Events
3 2 6 Smoluchowski's Theory
3 3 Collision Rate， Agglomerate Size and Structure
3 4 Effect of Stokes Number
3 5 Exponential Scaling of Early-Stage Agglomerate Size
3 6 Agglomeration Kernel and Population Balance Modelling
3 7 Effect of Adhesion on Agglomeration
3 8 Effect of Adhesion on Breakage of Agglomerates
3 9 Formulation of the Breakage Rate
3 10 Agglomerate Size Dependence of the Breakage Rate
3 11 Role of Flow Structure
3 12 Conclusions
References
4 Migration of Cloud of Low-Reynolds-Number Particles with Coulombic and Hydrodynamic Interactions
4 1 Introduction
4 2 Formulation of Problem
4 3 Effect of Coulomb Repulsion on Cloud Shape
4 3 1 Cloud Shape
4 3 2 Effect of Fluid Inertia
4 3 3 Stability of the Cloud
4 4 Evolution of Particle Cloud Under Strong Repulsion
4 4 1 Scaling Analysis and Continuum Description
4 4 2 Prediction of Cloud Size and Migrating Velocity
4 4 3 Discussion
4 5 Summary
References
5 Deposition of Microparticles with Coulomb Repulsion
5 1 Introduction
5 2 Models and Methods
5 2 1 Simulation Conditions
5 2 2 Forces on Particles
5 2 3 Average-Field Calculation for Coulomb Interactions in 2D Periodic System
5 3 Effects of Coulomb Interaction on Packing Structure
5 4 Scaling Analysis of the Interparticle Force
5 5 Governing Parameters for the Packing Structure
5 6 Phase Diagram
5 7 Summary
References
6 Deposition of Charged Micro-Particles on Fibers: Clogging Problem
6 1 Introduction
6 2 Models and Method
6 2 1 Simulation Conditions: Two Fiber System
6 2 2 Gas Phase Simulation
6 2 3 Solid-Phase: Discrete-Element Method（DEM）
6 2 4 Governing Parameters
6 3 CloggingNon-clogging Transition
6 4 Measurement of Particle Capture Efficiency
6 4 1 Repulsion Effect: The Critical State
6 4 2 Structure Effect
6 5 Summary
References
7 Conclusions and Perspective
7 1 Conclusions
7 2 Future Work
References

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