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Airborne Ultrasonic Transducer
A high-sensitivity airborne ultrasonic transducer was produced by applying an aerogel to its acoustic matching layer, because an aerogel’s low...
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Recoverable strain studies of gadolinium-doped multiferroic BiFeO3 by ultrasonic velocity measurements
Single-phase multiferroic bismuth ferrite samples doped with gadolinium with compositional formulae Bi 1–x Gd x FeO 3 ( x = 0, 0.05, 0.10, 0.15, & 0.20)...
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Integration of Experimental Methods for the Correlation of Hardness with the Propagation Velocity of Ultrasonic Signals in Steel: A Proposal for an Undergraduate Material Science Lecture
This work provides the description of an experimental study for assessing the hardness of metallic test samples, subjected to the Jominy End-Quench...
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Performance of Concrete by the Addition of Bio-Cement on Ultrasonic Pulse Velocity
Construction materials such as concrete are widely used and the majority of civil structures are made of concrete. Yet, because of its fragility and...
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Evaluation of Deviator Stress of Lime-Alccofine-Stabilized Fly Ash from Ultrasonic Pulse Wave Velocity
The paper presents the correlation between the deviator stress and ultrasonic pulse wave velocity of fly ash stabilized with 6% lime and 2% alccofine...
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Effect of Load, Sliding Velocity, and Reinforcements on Wear Characteristics of Al7075-Based Composite and Nanocomposites Fabricated by Ultrasonic-Assisted Stir-Casting Technique
In this investigation, microstructure, grains morphology, mechanical and tribological characteristics of the Al7075/SiC, Al7075/GNPs and Al7075/Al 2 O 3 ...
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Ultrasonic Pulse Velocity and Mechanical and Physical Properties of Structural Geopolymer Concrete Containing Lightweight Expanded Clay Aggregates: Experimental and Computational Study
In the present study, the influence of adding lightweight expanded clay aggregate (LECA) and natural zeolite (NZ) on the geopolymer concrete (GPC)...
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Simulation on Effect of Ultrasonic Shot Peening Velocity on VMS of Aluminum A380 Die-Casting Alloy
This study presents a comprehensive simulation model for the ultrasonic shot peening (USP) process applied to aluminum A380 alloy, a material widely...
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Gas volume estimation in a vertical pipe flow considering the bubble size obtained from an ultrasonic velocity vector profiler
AbstractA traditional ultrasonic velocity profiler (UVP) containing one emitter and receiver measures a single velocity component, which is laid on...
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The Use of Ultrasonic Echo Pulse Velocity as an NDT Method to Predict the Concrete Strength and Uniformity
AbstractThe ultrasonic approach is one of the non-destructive testing methods that most technologically progressed in past few years. This study aims...
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Results of the COOMET 706/RU-A/16 Pilot Comparison of National Standards of the Unit of Propagation Velocity of Longitudinal Ultrasonic Waves in Solids
The results of experimental comparisons of the COOMET 706/RU-A/16 national standards of the unit of propagation velocity of longitudinal ultrasonic...
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Estimating Geotechnical Properties of Sedimentary Rocks Based on Physical Parameters and Ultrasonic P-Wave Velocity Using Statistical Methods and Soft Computing Approaches
In this research, the north and northwest parts of Damghan in the northeast of Iran were selected as the study areas, and different sedimentary rocks...
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Detection of Concrete Surface Crack Depth Using Ultrasonic Pulse Velocity (UPV) Methods
Surface cracks are one of the most commonly observed distresses in concrete structures. Even though the crack depth is an important parameter to...
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Further Investigations Regarding a New Approach on Estimating Concrete Compressive Strength via Ultrasonic Pulse Velocity
One main focus pursued by many researchers is develo** faster and cheaper non-destructive methods (NDT), whilst increasing the accuracy in...
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Influence of Fiber Reinforcement on the Ultrasonic P-Wave Velocity and Unconfined Compressive Strength of Cemented Clay
In this study, the sound wave speed (SWS) variation and stress–strain behavior of fiber-reinforced cement-stabilized clay soil samples were...
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Velocity measurement on a heated vertical wall under a transverse magnetic field using ultrasonic doppler velocimetry
The velocity boundary layer profile for an electrically conducting liquid over a heated vertical flat plate is measured using Ultrasonic Doppler...
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Velocity Measurement
Velocity is a fundamental parameter of carrier motion.
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Flow structure and grain motion assessments of large river widening in a physical model using ultrasonic Doppler velocity measurements
Local river widening aims to reduce the flood risk and enable the self-morphodynamic development of the river. However, a large amount of transported...
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A novel three-dimensional model for the prediction of ultrasonic velocity in wood considering its orthotropy
This paper deals with a three-dimensional model capable of determining the propagation velocities of ultrasound waves in wood. Considering...
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Development of wet-type ten-path ultrasonic flowmeters to validate their performance at two national metrology institutes
Most wet-type multi-path ultrasonic flowmeters have their measurement accuracy rate deteriorate as the flow rate is decreased. Curve-fitting on the...