Viscosity and Density Measurements Using Mechanical Oscillators in Oil and Gas Applications

González, Miguel; Seren, Hüseyin R.; Ham, Gregory; Buzi, Erjola; Bernero, Greg; Deffenbaugh, Max

doi:10.1109/tim.2017.2761218

Cited by 39 publications

(11 citation statements)

References 23 publications

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“…Governing equations of the fluid field in the vector form based on micro-polar theory are as following [21]:…”

Section: Model Description and Assumptionsmentioning

confidence: 99%

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Measurement of a micro-scale fluid physical properties using torsional vibration of a micro shaft

Ghanbari¹,

Siamak²,

Rezazadeh³

2018

MMC_B

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The purpose of this study is presenting a novel micro-electromechanical (MEM) sensor for measurement of a micro-scale fluid physical properties. A mathematical model is proposed for this study which consists of a micro-shaft with one end fixed and a sensing element in the form of a cylinder at its free end. The fluid is bounded between the micro-cylinder as sensing element and the outer fixed cylinder. As fluids behave differently in micro-scale than macro, the fluid in the gap is modeled based on micro-polar fluid theory. The sensor can be actuated torsionally via applying an AC voltage to the pair of capacitive plates situated around the micro-shaft and the outer fixed cylinder. After deriving the equations of motion of the micro-shaft and also micro-scale fluid media, these coupled partial differential equations have been solved simultaneously using Galerkin based reduced order model. The dynamic response of the micro-shaft for different exciting frequencies has been investigated. It has been shown that inertial and damping effects of fluid, causes resonance frequency and resonance amplitude of the shaft to decrease. By calculating resonance frequency and resonance amplitude changes, physical properties of a fluid can be measured. Effects of geometrical parameters of the sensing element on the force response of the sensor have also been studied. Through this study it was found that a sensor with large surface area of sensing element and small fluid gap, could measure fluid properties with high accuracy.

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“…Governing equations of the fluid field in the vector form based on micro-polar theory are as following [21]:…”

Section: Model Description and Assumptionsmentioning

confidence: 99%

“…Clara et al introduced advanced viscosity and density sensor based on diamagnetically stabilized levitation [20]. Gonzalez et.al used mechanical resonators for viscosity and density measurements that could be used in oil and gas applications [21]. Automated high-throughput viscosity and density sensor was presented by Bircher et al [22].…”

Section: Introductionmentioning

confidence: 99%

Measurement of a micro-scale fluid physical properties using torsional vibration of a micro shaft

Ghanbari¹,

Siamak²,

Rezazadeh³

2018

MMC_B

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“…We address these challenges with the tuning fork (referred to as mud fork, hereafter) viscosity/density sensor presented in this study. Readers interested on earlier details about the development of the tool can refer to Gonzalez et al [19]- [21]. We focus here on the field system development and field test results.…”

Section: Introductionmentioning

confidence: 99%

Development of an In-Tank Tuning Fork Resonator for Automated Viscosity/Density Measurements of Drilling Fluids

et al. 2021

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“…Exploiting the piezoelectric effect occurring in quartz, a charge displacement occurs on prong surface as the prongs bend, leading to the generation of a piezoelectric current proportional to the amplitude of the exciting voltage . Recently, the use of QTFs has been extended to other applications, such as atomic force microscopy, photoacoustic gas sensing, rheology, and high‐resolution accelerometer and gyroscopes measurements . In quartz‐enhanced photoacoustic spectroscopy (QEPAS) the QTF is immersed in a low‐pressure gas and a laser beam is focused between the two prongs.…”

Section: Introductionmentioning

confidence: 99%

Damping Mechanisms of Piezoelectric Quartz Tuning Forks Employed in Photoacoustic Spectroscopy for Trace Gas Sensing

Giglio

Menduni

Patimisco

et al. 2019

Physica Status Solidi (a)

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A study of the dependence of main loss mechanisms on the geometry of piezoelectric quartz tuning forks (QTFs) is reported. The influence of these loss mechanisms on the quality factor Q occurring while the QTF vibrates at the in‐plane flexural fundamental and first overtone resonance modes is investigated. From this study, two QTFs efficiently operating both at the fundamental and first overtone mode are designed and realized. Data analysis demonstrates that air viscous damping is the dominant energy dissipation mechanism for both flexural modes. However, at the first overtone mode the air damping is reduced and higher quality factors can be obtained when operating at the first overtone mode with respect to the fundamental one.

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Viscosity and Density Measurements Using Mechanical Oscillators in Oil and Gas Applications

Cited by 39 publications

References 23 publications

Measurement of a micro-scale fluid physical properties using torsional vibration of a micro shaft

Measurement of a micro-scale fluid physical properties using torsional vibration of a micro shaft

Development of an In-Tank Tuning Fork Resonator for Automated Viscosity/Density Measurements of Drilling Fluids

Damping Mechanisms of Piezoelectric Quartz Tuning Forks Employed in Photoacoustic Spectroscopy for Trace Gas Sensing

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