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Development of an Ultrasonic Sensing Technique to Measure Lubricant Viscosity in Engine Journal Bearing In-Situ

This thesis presents a novel ultrasonic instrument for non-invasive and in-situ characterization of journal bearing lubricant viscosity. In particular, the application to journal bearings is described by non-invasively measuring the viscosity and localized power losses throughout operation. This ult...

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Main Author: Schirru, Michele. (Author, http://id.loc.gov/vocabulary/relators/aut)
Corporate Author: SpringerLink (Online service)
Language:English
Published: Cham : Springer International Publishing : Imprint: Springer, 2017.
Edition:1st ed. 2017.
Series:Springer Theses, Recognizing Outstanding Ph.D. Research,
Subjects:
Acoustical engineering.
Tribology.
Corrosion and anti-corrosives.
Coatings.
Automotive engineering.
Materials science.
Materials—Surfaces.
Thin films.
Engineering Acoustics.
Tribology, Corrosion and Coatings.
Automotive Engineering.
Characterization and Evaluation of Materials.
Surfaces and Interfaces, Thin Films.
Online Access:https://doi.org/10.1007/978-3-319-53408-4
Table of Contents:
  • Introduction
  • Background on Viscosity and Lubrication
  • Background on Ultrasound
  • Literature review
  • A Novel Ultrasonic Model for Non-Newtonian Fluids
  • Viscosity Measurement at an Aluminium-Oil Boundary
  • The Matching Layer Method
  • Viscosity Measurement in a Journal Bearing
  • Conclusions.

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