Electrification Of Particulates In Industrial And Natural Multiphase Flows by Zhaolin GuElectrification Of Particulates In Industrial And Natural Multiphase Flows by Zhaolin Gu

Electrification Of Particulates In Industrial And Natural Multiphase Flows

byZhaolin Gu, Wei Wei

Hardcover | August 4, 2017

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This book introduces comprehensive fundamentals, numerical simulations and experimental methods of electrification of particulates entrained multiphase flows. The electrifications of two particulate forms, liquid droplets and solid particles, are firstly described together. Liquid droplets can be charged under preset or associated electric fields, while solid particles can be charged through contact. Different charging ways in gas (liquid)-liquid or gas-solid multiphase flows are summarized, including ones that are beneficial to industrial processes, such as electrostatic precipitation, electrostatic spraying, and electrostatic separation, etc., ones harmful for shipping and powder industry, and ones occurring in natural phenomenon, such as wind-blown sand and thunderstorm. This book offers theoretical references to the control and utilization of the charging or charged particulates in multiphase flows as well.

GU Zhaolin is a Professor in Environmental Science and Technology, and the Executive Dean in School of Human Settlements and Civil Engineering, Xi'an Jiaotong University.He is also the Director of the Joint Center of Urban Climate and the Built Environment Research Between Xi'an Jiaotong University and Shannxi Weather Bureau. His resea...
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Title:Electrification Of Particulates In Industrial And Natural Multiphase FlowsFormat:HardcoverDimensions:174 pages, 23.5 × 15.5 × 0.03 inPublished:August 4, 2017Publisher:Springer-Verlag/Sci-Tech/TradeLanguage:English

The following ISBNs are associated with this title:

ISBN - 10:9811030251

ISBN - 13:9789811030253

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Table of Contents

Preface

Part ? Particulate charging phenomena in multiphase flows

1         Electrification of particulate in multiphase flows

1.1          Electrification of particulate in industrial processes

1.1.1     Transport systems

1.1.2     Fluidized beds

1.1.3     Particle drying

1.1.4     Pollution control

1.1.5     Electrospray

1.1.6     Manufacturing and material processing

1.2          Electrification of particulate in natural processes

1.2.1     Wind-blown sand

1.2.2     Lightning in thunderstorm

1.3          Effect of electrification

1.3.1     Mechanical effect of electrification

1.3.2     Thermal effect of electrification

1.3.3     Electromagnetic effect of electrification

1.4          Summary

2         Properties of particulate in multiphase flows

2.1          Particulate forms

2.1.1     droplet

2.1.2     particle

2.2          Size Distribution

2.3          Dilute versus dense flows

2.4          Particulate-Fluid interaction

2.5          Particulate- Particulate interaction

2.6          Summary

Part ? Basic theory of droplet charging in multiphase flows

3         Droplet charging ways

3.1          Corona charging

3.2          Contact charging

3.3          Induction charging

3.4          Summary

4         Basic theory of droplet charging process

4.1          Corona charging process

4.2          Contact charging process

4.3          Induction charging process

4.4          Summary t ? Basic theory of particle charging in multiphase flows

5         Particle charging ways

5.1          Electron transfer charging

5.2          Ion transfer of materials containing mobile ions

5.3          Material transfer charging

5.4          Aqueous ion shift on particle surfaces

5.5          Summary

6         Basic theory of particulate charging in multiphase flows

6.1          Charge transfer by the external electric field.

6.2          Charge transfer by asymmetry contact

6.3          Charge transfer from aqueous ion shift on particle surfaces

6.4          Summary

Part ? Research methodologies of particulate charging processes

7         Numerical modeling methods for particulate charging processes

7.1          Basic theory of electrostatics

7.1.1     Charge and Coulomb's law

7.1.2     Electric and Gauss theorem

7.1.3     Circulation theorem of electrostatic field

7.1.4     Particulate in electrostatic field

7.2          Brief introduction to numerical methods of multiphase flow simulation

7.2.1     Large eddy simulation (LES) of continuous flow

2     Numerical methods of gas-solid two-phase flow simulation

7.2.3     Numerical methods of tracking the interface between gas/liquid - liquid two phases

7.3          Numerical simulations of charging/charged liquid interface

7.3.1     Governing equations of fluid flow and electric field

7.3.2     Coupling with charging model

7.3.3     Applications of numerical simulation on droplet charging

7.4          Numerical simulations of charging/charged particles

7.4.1     Governing equations of gas-solid two-phase flow

7.4.2     Coupling with charging model

7.4.3     Applications of numerical simulation on particle charging

7.5          Summary

8         Experimental methods for particulate charging processes

8.1          Measurement method of basic electrostatic parameter

8.2          Particulate charge measurement by electrical method

8.3          Particulate charge measurement by optical method

8.4          Summary

9         Electrostatic utilization and protection in multiphase flows

9.1          Electrostatic grounding

9.2          Environment humidification

9.3          Electrostatic eliminator

9.4          Potential applications of particulate electrification

9.5          Summary

10       Potential applications of particulate electrification

REFERENCES