The torsional waveguide viscosity probe: Design and anomalous behavior

Filoux, Erwan; Challis, R.E.; Aristizábal, Orlando; Ketterling, Jeffrey A.

doi:10.1109/tuffc.2011.1990

Cited by 29 publications

(18 citation statements)

References 41 publications

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“…Quantitative comparisons of imaging performance in phantoms designed to detect these differences have clearly shown that axi-symmetrically focused annular array transducers have superior spatial resolution compared to commercially available linear arrays (Filoux et al, 2011; Filoux et al, 2012). These gains in resolution have translated into improved capability for 3D in utero analyses of brain development (Aristizábal et al, 2013).…”

Section: Cardiac Imaging: Ultrasound (Echocardiography)mentioning

confidence: 99%

Cardiovascular Imaging in Mice

Phoon

Turnbull

2016

CP Mouse Biology

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The mouse is the mammalian model of choice for investigating cardiovascular biology, given our ability to manipulate it by genetic, pharmacologic, mechanical, and environmental means. Imaging is an important approach to phenotyping both function and structure of cardiac and vascular components. This review details commonly used imaging approaches, with a focus on echocardiography and magnetic resonance imaging and brief overviews of other imaging modalities. We also briefly outline emerging imaging approaches but caution that reliability and validity data may be lacking.

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Section: Cardiac Imaging: Ultrasound (Echocardiography)mentioning

confidence: 99%

Cardiovascular Imaging in Mice

Phoon

Turnbull

2016

CP Mouse Biology

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“…Many instruments and techniques have been developed on measuring rheological properties of fluids using ultrasound during past decades to find the density and viscosity of fluids [5,6]. In particular, ultrasonic guided wave sensors have been used to measure viscosity and/or density in liquids by many researchers [7,8,9,10,11,12,13,14,15,16,17,18,19,20,21]. They can be formed into robust instruments which are inexpensive enough to be disposable when applied to hazardous materials, or can be used on-line in a process.…”

Section: Introductionmentioning

confidence: 99%

“…Kim et al [10] derived an asymptotic formula for attenuation of the fundamental torsional mode in a rod loaded by viscous fluid. Based on their model Rabani et al [18] proved that the attenuation of the fundamental torsional wave is more sensitive to the viscosity of a surrounding fluid compared to the velocity of the guided fundamental torsional wave and derived an explicit expression to calculate viscosity in a fluid of known density from the measured attenuation. They showed successful viscosity measurements of Newtonian fluids; however, anomalous behaviour was observed in the measurement of the viscosity of engine, gear, and silicone oils.…”

Section: Introductionmentioning

confidence: 99%

Design and Implementation of an Electronic Front-End Based on Square Wave Excitation for Ultrasonic Torsional Guided Wave Viscosity Sensor

Rabani

2016

Sensors

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The market for process instruments generally requires low cost devices that are robust, small in size, portable, and usable in-plant. Ultrasonic torsional guided wave sensors have received much attention by researchers for measurement of viscosity and/or density of fluids in recent years. The supporting electronic systems for these sensors providing many different settings of sine-wave signals are bulky and expensive. In contrast, a system based on bursts of square waves instead of sine waves would have a considerable advantage in that respect and could be built using simple integrated circuits at a cost that is orders of magnitude lower than for a windowed sine wave device. This paper explores the possibility of using square wave bursts as the driving signal source for the ultrasonic torsional guided wave viscosity sensor. A simple design of a compact and fully automatic analogue square wave front-end for the sensor is also proposed. The successful operation of the system is demonstrated by using the sensor for measuring the viscosity in a representative fluid. This work provides the basis for design and manufacture of low cost compact standalone ultrasonic guided wave sensors and enlightens the possibility of using coded excitation techniques utilising square wave sequences in such applications.

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“…In recent years, measurement of those quantities has been performed using acoustic and ultrasonic methods. Different types of ultrasonic waves were used: the torsional mode of waves (Kim, Bau, 1989;Ai, Lange, 2008;Rabani et al, 2011); ultrasonic guided waves (Vogt et al, 2004;Kazys et al, 2013;, Love waves (Kiełczyński et al, 2012;. Therefore, the acoustic properties, such as ultrasound velocities, are acquiring high importance; however, to the best of our knowledge, the velocities of longitudinal and shear waves in such liquids have not previously been measured.…”

Section: Introductionmentioning

confidence: 99%

Investigation of the Acoustic Properties of Viscosity Standards

Kažys¹,

Voleišis²,

Šliteris³

2016

Archives of Acoustics

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Longitudinal and shear ultrasonic wave velocities were measured versus temperature in the viscosity standards of Paragon S8000S, N30000S and Cannon N2700000. The measurements were performed by the through-transmission method at the frequency of 2 MHz. Ultrasonic pulses were sent via polymethyl methacrylate (PMMA) waveguides between the tips of which a small amount of the particular standard liquid was placed. The velocities of longitudinal and shear waves were determined to depend on the viscosity of the liquid and increase with the viscosity.

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The torsional waveguide viscosity probe: Design and anomalous behavior

Cited by 29 publications

References 41 publications

Cardiovascular Imaging in Mice

Cardiovascular Imaging in Mice

Design and Implementation of an Electronic Front-End Based on Square Wave Excitation for Ultrasonic Torsional Guided Wave Viscosity Sensor

Investigation of the Acoustic Properties of Viscosity Standards

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