Reference : Prevention of Electrostatic Charge Generation in Filtration of Low-Conductivity Oils ...

	Document type :	Scientific journals : Article
	Discipline(s) :	Engineering, computing & technology : Mechanical engineering
	Focus Areas :	Physics and Materials Science
	To cite this reference:	http://hdl.handle.net/10993/42329

Title :	Prevention of Electrostatic Charge Generation in Filtration of Low-Conductivity Oils by Surface Modification of Modern Filter Media
Language :	English
Author, co-author :	Staudt, Johannes [Hydac GmbH]
	Duchowski, Johan [Hydac GmbH]
	Leyer, Stephan [University of Luxembourg > Faculty of Science, Technology and Communication (FSTC) > Engineering Research Unit >]
Publication date :	8-Jan-2020
Journal title :	Tribology Transactions
Peer reviewed :	Yes (verified by ORBilu)
Audience :	International
ISSN :	1040-2004
Keywords :	[en] Low conductive oils ; filtration ; electrostatic charging
Abstract :	[en] The electrostatic charging behavior of filter elements operating in various hydraulic and lubricating fluids has been re-examined from the perspective of fundamental material properties of the two materials participating in the event. In contrast to the previously proposed mechanisms that focused predominantly on fluid and material conductivities, new evidence strongly suggests that the relative placement of the substrates in the triboelectric series must be taken into account. The positions occupied in the triboelectric series account for the donor/acceptor tendencies exhibited by the materials when brought close together in close proximity ( 10 nm). Nevertheless, this behavior is only an outward manifestation of the deeper underlying characteristics that include material surface energies and, looking even deeper, the associated electron work functions of the interacting materials. Herein we provide several examples of the enhanced understanding of the electrostatic charging/discharging (ESC/ESD) phenomena as they occur in the course of filtration of hydraulic and lubricating fluids through modern filter elements constructed of synthetic glass fiber and polymer materials.
Permalink :	http://hdl.handle.net/10993/42329
DOI :	10.1080/10402004.2019.1690084

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