Fluid Sensing Using Quartz Tuning Forks-Measurement Technology and Applications

We provide an overview of recent achievements using quartz tuning forks for sensing liquid viscosity and density. The benefits of using quartz crystal tuning forks (QTFs) over other sensors are discussed on the basis of physical arguments and issues arising in real world applications. The path to hi...

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Bibliographic Details
Published inSensors (Basel, Switzerland) Vol. 19; no. 10; p. 2336
Main Authors Voglhuber-Brunnmaier, Thomas, Niedermayer, Alexander O, Feichtinger, Friedrich, Jakoby, Bernhard
Format Journal Article
LanguageEnglish
Published Switzerland MDPI AG 21.05.2019
MDPI
Subjects
condition monitoring
density
Diesel engines
Fluids
Industrial applications
measurement instrument
Microscopy
Parameter estimation
Quartz
Quartz crystals
Sensors
Soot
Viscosity
Austria
viscosity
condition monitoring
density
measurement instrument
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Summary:We provide an overview of recent achievements using quartz tuning forks for sensing liquid viscosity and density. The benefits of using quartz crystal tuning forks (QTFs) over other sensors are discussed on the basis of physical arguments and issues arising in real world applications. The path to highly accurate and robust measurement systems is described and a recently devised system considering these findings is presented. The performance of the system is analyzed for applications such as the mixing ratio measurement of fuels, diesel-soot contamination for engine oil condition monitoring, and particle size characterization in suspensions. It is concluded that using properly designed systems enables a variety of applications in industry and research.
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ISSN:1424-8220
1424-8220
DOI:10.3390/s19102336