000 | 03613nam a22006135i 4500 | ||
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001 | 978-3-319-53408-4 | ||
003 | DE-He213 | ||
005 | 20220801221113.0 | ||
007 | cr nn 008mamaa | ||
008 | 170221s2017 sz | s |||| 0|eng d | ||
020 |
_a9783319534084 _9978-3-319-53408-4 |
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024 | 7 |
_a10.1007/978-3-319-53408-4 _2doi |
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050 | 4 | _aTA365-367.5 | |
072 | 7 |
_aTTA _2bicssc |
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072 | 7 |
_aTEC001000 _2bisacsh |
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072 | 7 |
_aTTA _2thema |
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082 | 0 | 4 |
_a620.2 _223 |
100 | 1 |
_aSchirru, Michele. _eauthor. _4aut _4http://id.loc.gov/vocabulary/relators/aut _954141 |
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245 | 1 | 0 |
_aDevelopment of an Ultrasonic Sensing Technique to Measure Lubricant Viscosity in Engine Journal Bearing In-Situ _h[electronic resource] / _cby Michele Schirru. |
250 | _a1st ed. 2017. | ||
264 | 1 |
_aCham : _bSpringer International Publishing : _bImprint: Springer, _c2017. |
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300 |
_aXVI, 167 p. 155 illus., 80 illus. in color. _bonline resource. |
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336 |
_atext _btxt _2rdacontent |
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_acomputer _bc _2rdamedia |
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_aonline resource _bcr _2rdacarrier |
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_atext file _bPDF _2rda |
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490 | 1 |
_aSpringer Theses, Recognizing Outstanding Ph.D. Research, _x2190-5061 |
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505 | 0 | _aIntroduction -- 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. | |
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 |
_aAcoustical engineering. _99499 |
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_aCoatings. _96797 |
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_aTribology. _94149 |
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650 | 0 |
_aCorrosion and anti-corrosives. _96457 |
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650 | 0 |
_aAutomotive engineering. _954142 |
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650 | 0 |
_aMaterials—Analysis. _954143 |
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650 | 1 | 4 |
_aEngineering Acoustics. _931982 |
650 | 2 | 4 |
_aCoatings. _96797 |
650 | 2 | 4 |
_aTribology. _94149 |
650 | 2 | 4 |
_aCorrosion. _916286 |
650 | 2 | 4 |
_aAutomotive Engineering. _954144 |
650 | 2 | 4 |
_aCharacterization and Analytical Technique. _954145 |
710 | 2 |
_aSpringerLink (Online service) _954146 |
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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, _x2190-5061 _954147 |
|
856 | 4 | 0 | _uhttps://doi.org/10.1007/978-3-319-53408-4 |
912 | _aZDB-2-ENG | ||
912 | _aZDB-2-SXE | ||
942 | _cEBK | ||
999 |
_c79296 _d79296 |