Longitudinal wave
A one-dimensional model for variations of longitudinal wave velocity under different thermal conditions
... ultrasonic wave velocity is a function of the workpiece temperature, it is necessary to have a good understanding of how the wave velocity and test piece temperature are ...of longitudinal ...
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Study of Material Evaluation Probe Using a Longitudinal Wave and a Transverse Wave
... a longitudinal wave and a traverse wave into a composite material in a molten state has been studied in the online control of the composite material which cannot be evaluated by a conventional ...
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Ultrasonic non collinear wave mixing for the detection of ageing in PVC pipes
... non-collinear wave mixing. The non-collinear wave mixing technique involved the interaction between a shear wave and a longitudinal wave under certain resonant conditions, that ...
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Remote detection of laser generated ultrasonics by fibre optic interferometer
... The following sections contain the results of measurements of the variation of the ultrasonic longitudinal wave velocity in a curing epoxy sample using the same non- contact optical exc[r] ...
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Ultrasonic bulk wave measurements on composite using fiber from recycled CFRP
... Ultrasonic wave velocities at different angles of incidence for both v-CFRP and rf-CFRP were ...a longitudinal wave and transverse wave remained relatively constant up until these waves ...
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Supercomputer Simulations of Nondestructive Tomographic Imaging with Rotating Transducers
... the longitudinal wave velocity inside the object are ...the wave velocity distribution inside the defects with high accuracy provided that both reflected and transmitted waves are ...
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Laser Generation Based Imaging of Ultrasonic Wave Propagation on Welded Steel Plates and Its Application to Defect Detection
... of wave propagation in all the weld ...incident wave in the þx-direction was visualized in all the ...the longitudinal wave and the latter was the shear wave from the wave ...
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Guided Waves for Damage Monitoring In Plates with Corrosion Defects
... thick), longitudinal wave are polarized in the direction perpendicular to the surface and Shear Waves polarized in vertical direction known as SV waves are formed and combined with L ...Lamb wave ...
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Highly convergent finite elements with diagonal mass matrix for short wave pulse propagation simulation
... ultrasonic longitudinal wave propagation [13] in 1D aluminum waveguide is performed, where computational times are compared for models assembled of CE and SE60 with ..., wave speed 5081 ...
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Numerical modelling of 1-dimensional wave equation using finite difference scheme
... the longitudinal wave is the motion of the points of the medium (forming the wave) is in the same direction as the direction of propagation of the wave pattern as shown in Figure ...of ...
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Mathematical Modeling of Shock Waves in Inhomogeneous Viscoelastic Two Component Media
... DOI: 10.4236/jamp.2018.65086 1000 Journal of Applied Mathematics and Physics tem (6) to have a nonzero solution, its determinant must be zero. This condition leads to an equation for determining the propagation velocity ...
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Ultrasonic Characterisation of Heat Treated Tungsten Alloys used for TIG welding
... ultrasonic longitudinal and transverse wave velocity with elastic constant indicate that ultrasonic longitudinal wave can be very well used for material characterization, as ...
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Guided Waves for Damage Monitoring In Plates with Corrosion Defects
... thick), longitudinal wave are polarized in the direction perpendicular to the surface and Shear Waves polarized in vertical direction known as SV waves are formed and combined with L ...Lamb wave ...
12
Temperature Dependence of Ultrasonic Waves Properties Propagated in Some Types of Carbon Steels
... In this study, the carbon steel samples with brands of SCM 420, X40H, SCR 420 and S45 were used to characterize with different element contents which were shown in Table 1. These samples are adjusted with reliable ...
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Concept of Experimental Simulator for Studying Longitudinal Magnetic Wave Propagation in Dielectric Samples
... of longitudinal electromagnetic waves with components of the electric E or H magnetic fields oriented in the wave propagation direction k ...[1]. Longitudinal electromagnetic waves are classified ...
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Ultrasonic Scattered Field Distribution of One and Two Cylindrical Solids with Phased Array Technique
... incident longitudinal waves in ...acoustic wave scattering at different moments as the inci- dent longitudinal wave propagates into the medium with structural steel as a matrix material and ...
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FE learners longitudinal survey wave two : findings from quantitative research
... Learners generally acknowledged the importance of learning. Some learners, however, said that learning was difficult for them, and these were also the groups that acknowledged lower levels of self-esteem at the time of ...
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Evaluation of the impact of Skills for Life learning : longitudinal survey of learners, Wave 3
... New course start-up and progression for Skills for Life learners Skills for Life learners tended to continue their education and training, through continuing previous courses and startin[r] ...
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FE learners longitudinal survey wave 1 : findings from quantitative research
... Learners Longitudinal Survey is a new survey designed to supplement the range of information that already exists and is used by the Department for Education & Skills (DfES) and the Learning and Skills Council ...
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THE MOTION OF THE THORAX DURING THE HEART CYCLE: A COMPARISON OF LONGITUDINAL, LATERAL AND DORSOVENTRAL BALLISTOCARDIOGRAMS
... Synchronous with the footward I wave in the longitudinal ballistocardiogram was a significant leftward wave in 45%o and a rightward wave of comparable amplitude in 8%o of the lateral rec[r] ...
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