In-line Oil Viscosity Sensor Implementing An Elastomagnetic Ribbon Resonance

Title
In-line Oil Viscosity Sensor Implementing An Elastomagnetic Ribbon Resonance
Authors
공호성한흥구루바 마르코바
Keywords
오일; 동점도; 음향점도; 자기탄성체 리본 공진; oil; kinematic viscosity; acoustic viscosity; eleastomagnetic ribbon resonance
Issue Date
2010-04
Publisher
한국윤활학회지; Journal of the KSTLE (Journal of the Korean Society of Tribologists and Lubrication Engineers)
Citation
VOL 26, NO 2, 97-104
Abstract
A new magnetoelastic technique of oil viscosity measurement, where the oil viscosity is estimated by frequency shift of natural oscillations of magnetoelastic ribbon, is implemented in this study. Laboratory tests of the detector prototype are performed for measurement of viscosity of base synthetic and mineral oils. It was found that measurement accuracy was better when damping factor was estimated in comparison with accuracy of frequency of damped oscillations. Thus the oil viscosity was calibrated as a function of number of pulses of the damped oscillations of magnetoelastic ribbon. Result generally showed that developed detector is promising for in line oil viscosity measurement in wide viscosity range from 10 cSt up to 600 cSt, while the viscosity measurement was relatively instable when the viscosity of test oil was over 400 cSt.
URI
http://pubs.kist.re.kr/handle/201004/37773
ISSN
1229-4845
Appears in Collections:
KIST Publication > Article
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