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Optical Attenuation Characterization of Water Contaminated Lubricating Grease
Luleå University of Technology, Department of Engineering Sciences and Mathematics, Machine Elements.ORCID iD: 0000-0002-4857-9475
Luleå University of Technology, Department of Engineering Sciences and Mathematics, Fluid and Experimental Mechanics.ORCID iD: 0000-0003-4879-8261
Luleå University of Technology, Department of Engineering Sciences and Mathematics, Fluid and Experimental Mechanics.
SKF Engineering and Research Center, Nieuwegein.
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2018 (English)In: Tribology Transactions, ISSN 1040-2004, E-ISSN 1547-397XArticle in journal (Refereed) Epub ahead of print
Abstract [en]

Water contaminated grease samples are investigated with attenuation spectra in the visible and near-infrared (NIR) region in this paper. The purpose of this investigation was to identify a model with optical attenuation spectra such that water content of grease samples could be characterized with a simple measurement setup using common methodology from the field of instrumental chemistry. The ratio between two chosen wavelengths of light appear to approximate water content of grease samples with an acceptable coefficient of determination using a methodology to show what can potentially be done to develop condition monitoring tools. To illustrate the outlined method, a prestudy of grease aging and oxidation levels are also investigated to show that other variables do not significantly change the measurement.

Place, publisher, year, edition, pages
Taylor & Francis, 2018.
National Category
Tribology (Interacting Surfaces including Friction, Lubrication and Wear) Applied Mechanics
Research subject
Machine Elements; Experimental Mechanics
Identifiers
URN: urn:nbn:se:ltu:diva-67205DOI: 10.1080/10402004.2017.1404175OAI: oai:DiVA.org:ltu-67205DiVA, id: diva2:1172303
Available from: 2018-01-09 Created: 2018-01-09 Last updated: 2018-03-13

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Publisher's full texthttp://www.tandfonline.com/doi/full/10.1080/10402004.2017.1404175

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Dittes, NicholasSjödahl, MikaelCasselgren, JohanMarklund, PärPettersson, Anders
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