Titlebook: Development of an Ultrasonic Sensing Technique to Measure Lubricant Viscosity in Engine Journal Bear; Michele Schirru Book 2017 Springer I

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Literature Review,de the knowledge of the current state of the art in ultrasonic plane waves viscometry. Several techniques have been developed to study viscosity with ultrasound. The first part of the literature review analyses these methods. They may be recapped in the following categories: crystal and rod resonato

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A Novel Ultrasonic Model for Non-Newtonian Fluids,s chapter the Maxwell model is derived and simplified to obtain an analytical model that is function of the reflection coefficient only. The Maxwell model is then compared with the Newtonian algorithms and its efficiency is tested through a sensitivity analysis.

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Viscosity Measurements at an Aluminium-Oil Boundary,al reflectance set-up is made of a pair of ultrasonic transducers that are bonded on the top of an aluminium block in contact with a thin layer of lubricant oil. The reflection coefficient is acquired when the oil is heated up and the viscosity is calculated using the Eqs. (4.9, 4.15 and 5.14). Fina

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Viscosity Measurements in a Journal Bearing,as been shown to be precise for measurement in thin base oil layers with temperature and pressure variations, as described in Sects. 7.7 and 7.8. This chapter describes the application of the matching layer method to a journal bearing.

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Development of an Ultrasonic Sensing Technique to Measure Lubricant Viscosity in Engine Journal Bear978-3-319-53408-4Series ISSN 2190-5053 Series E-ISSN 2190-5061

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https://doi.org/10.1007/978-3-476-03762-6s chapter the Maxwell model is derived and simplified to obtain an analytical model that is function of the reflection coefficient only. The Maxwell model is then compared with the Newtonian algorithms and its efficiency is tested through a sensitivity analysis.