Experimental Methods for Particulate Charging Processes
The experimental methods for particulate charging are introduced, the measurement principles of electrostatic potential, charge quantity, charge density and powder charging are presented in this chapter.
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ectrification of Particulates in Industrial and Natural Multiphase flows
Electrification of Particulates in Industrial and Natural Multiphase flows
Zhaolin Gu • Wei Wei
Electrification of Particulates in Industrial and Natural Multiphase flows
Zhaolin Gu School of Human Settlements and Civil Engineering Xi’an Jiaotong University Xi’an, Shaanxi, China
Wei Wei School of Energy and Power Engineering Wuhan University of Technology Wuhan, Hubei, China
ISBN 978-981-10-3025-3 ISBN 978-981-10-3026-0 DOI 10.1007/978-981-10-3026-0
(eBook)
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Preface
The understanding of electrical phenomenon is a long-term journey in human history. Electrostatics is an important branch of modern physics. Currently, the applications of electrostatic charge in technological fields are growing, such as electrostatic precipitation, electrostatic spraying, electrostatic separation, and electrostatic printing. Surprisingly, despite being so well-known, the charging mechanism remains poorly understood, and even the most basic questions are still being debated, especially in the particulate entrained fluid systems with identical physical properties. For example, how does the external fluid flow affect particulate charging? What causes the particulate charging? What species are transferred between surfaces to generate the net charge? What is the driving force for charge transfer? Does humidity (i.e., water) or other adsorbed species play a role in the charging? These problems need to be solved imminently and com
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