000 03935nam a22006015i 4500
999 _c11844
_d11844
001 978-3-319-53408-4
003 DE-He213
005 20211209100051.0
008 170221s2017 gw | s |||| 0|eng d
020 _a9783319534084
040 _cAIKTC-KRRC
041 _aENG
072 7 _aTTA
_2bicssc
072 7 _aTEC001000
_2bisacsh
072 7 _aTTA
_2thema
082 0 4 _a620.2
_223
100 1 _aSchirru, Michele.
_eauthor.
_4aut
_4http://id.loc.gov/vocabulary/relators/aut
245 1 0 _aDevelopment of an Ultrasonic Sensing Technique to Measure Lubricant Viscosity in Engine Journal Bearing In-Situ
_h[electronic resource] /
250 _a1st ed. 2017.
264 1 _aCham :
_bSpringer International Publishing :
_bImprint: Springer,
_c2017.
300 _aXVI, 167 p. 155 illus., 80 illus. in color.
_bCard Paper
336 _atext
_btxt
_2rdacontent
337 _acomputer
_bc
_2rdamedia
338 _aonline resource
_bcr
_2rdacarrier
347 _atext file
_bPDF
_2rda
490 1 _aSpringer Theses, Recognizing Outstanding Ph.D. Research,
_x2190-5053
520 _aThis 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 ultrasonic viscometer is based on the reflection of polarized shear waves from a thin resonating coating layer to increase the measurement sensitivity, in comparison to conventional ultrasonic methods. This instrument allows for a full engine oil viscoelastic characterization in-situ. The book investigates the effects of temperature, pressure and shear rate, and describes in detail the ultrasonic setup and method. Further, it demonstrates that the same technique can be applied similarly to monitor the lubrication of other engine components. As such, it offers a unique instrument that can drive the research of oil formulations to improve engine performance and fulfill the requirements of international fuel economy regulations. .
650 0 _aMechanical Engineering
_94626
653 _aEngineering Acoustics.
653 _aTribology, Corrosion and Coatings.
653 _aAutomotive Engineering, Surfaces and Interfaces, Thin Films.
653 _aCharacterization and Evaluation of Materials.
710 2 _aSpringerLink (Online service)
773 0 _tSpringer Nature eBook
776 0 8 _iPrinted edition:
_z9783319534077
776 0 8 _iPrinted edition:
_z9783319534091
776 0 8 _iPrinted edition:
_z9783319851457
830 0 _aSpringer Theses, Recognizing Outstanding Ph.D. Research,
_x2190-5053
856 4 0 _uhttps://doi.org/10.1007/978-3-319-53408-4
_zClick here to access eBook in Springer Nature platform. (Within Campus only.)
942 _cEBOOKS
_2ddc