The study of viscosity-density product of fluids by using ultrasonic testing / Nur Izati Ismail

Ismail, Nur Izati (2011) The study of viscosity-density product of fluids by using ultrasonic testing / Nur Izati Ismail. [Student Project] (Unpublished)

Abstract

The study of shear longitudinal wave's propagations of ultrasonic in different viscosity density of fluids has been carried out. The ultrasound shear longitudinal wave reflections are playing very important role so that viscosity-density of fluids can be measured. This method based on the determination of reflection coefficient and velocity of sound. The velocity of sound can be determined due to Snell's law where are the 1stand 2 critical angle occur from the refracted incidence of longitudinal and shear waves respectively while the reflection coefficient, RC can be determined due to acoustic impedance, Z=pv of fluids and solid substrate that depends on density and velocity of sounds. For the purpose to determine viscosity-density product, sugar water solutions were used with concentrations ranging from 0%-70% at incremental steps of 10% concentrations. The acrylic and aluminum solid substrates are within the sugar water solution that functions as shear wave block so that the transmission amplitude of longitudinal and shear waves can be measured as angle changed from 0° to 90°. The results were compared for each solution in different of solid substrate. As concentrations of solid liquids increases, the velocity of sounds increases then the reflection coefficients decreases therefore increasing the viscosity-density value. This explains the solid substrate materials and fluids properties in different of viscosity-density product.

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Item Type: Student Project
Creators:
Creators
Email / ID Num.
Ismail, Nur Izati
UNSPECIFIED
Contributors:
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Email / ID Num.
Advisor
Maulud, Mohd Fauzi
UNSPECIFIED
Subjects: Q Science > QC Physics > Atomic physics. Constitution and properties of matter
Divisions: Universiti Teknologi MARA, Shah Alam > Faculty of Applied Sciences
Programme: Bachelor of Science (Hons.) Physics
Keywords: Viscosity-density product, Ultrasonic testing, Shear longitudinal wave
Date: 2011
URI: https://ir.uitm.edu.my/id/eprint/45462
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