longitudinal waves
The Impact of the Magnetic Field on the Transmission of Longitudinal Waves in a Rod
... First of all, we consider linear Bernoulli model for longitudinal waves in a rod. It can be obtained if all the items corresponding to the kinetic energy of transverse deformations, potential energy of ...
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Theoretical and Experimental Investigations of Transmission Coefficients of Longitudinal Waves through Metal Plates Immersed in Air for Uses of Air Coupled Ultrasounds
... As described before air-coupled transductions of the Lamb wave are much suitable for NDT technique for plate structures, while the great impedance mismatch exists between air/solid interface without exception. Therefore ...
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Guided Waves for Damage Monitoring In Plates with Corrosion Defects
... The experimental setup consists of a typical Ultrasonic Testing (UT) system comprising of a DPR 300 Pulser/Receiver (PR) system which generates an ultrasonic spike pulse driven by the pulser/receiver, the compressional ...
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Theoretical and Experimental Study of the Distribution of Stress Waves in Linear Viscoelastic Media
... one-dimensional longitudinal waves are obtained for determining viscoelastic operators from experimental ...stress waves in isotropic [1] and anisotropic [2,3] geophysical media suggests that one of ...
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Guided Waves for Damage Monitoring In Plates with Corrosion Defects
... The experimental setup consists of a typical Ultrasonic Testing (UT) system comprising of a DPR 300 Pulser/Receiver (PR) system which generates an ultrasonic spike pulse driven by the pulser/receiver, the compressional ...
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13 Waves.pdf
... Longitudinal waves are waves that travel in a direction parallel to the direction of the vibrations.. Longitudinal Waves[r] ...
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Mathematical Modeling of Shock Waves in Inhomogeneous Viscoelastic Two Component Media
... shock waves: two types of longitudinal waves and one transverse, for which, V i ( ) α = ν i S α ≠ 0 , V i ( ) α = ν i 0 respectively, and ...
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Measurement and Modelling of the Rubber Resilience based on Ultrasonic Nondestructive Testing in Tires
... In another research conducted by El-Hadak [6], ultrasonic waves were used to determine the homogeneity of rubber plates. To achieve this goal, El-Hadak used a pulse-echo method and reported that rubber sheets with ...
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Effect of coupling media on velocity and attenuation of ultrasonic waves in Brazilian wood
... with longitudinal waves could be performed, with the same results, with any of the coupling media ...transverse waves there must be concern with using more dense and viscous coupling media to obtain ...
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Acoustoelastic effect of wood III: effect of applied stresses on the velocity of ultrasonic waves propagating normal to the direction of the applied stress
... Figure 6 shows the relations between stress, strain, and changes in velocity of ultrasonic longitudinal waves for Alaska cedar under tensile stress.. The stress-str[r] ...
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Interaction of Ultrasonic Waves with Simulated and Real Fatigue Cracks
... The predictions of this model and experimental data for the case of through transmission of longitudinal waves for both the ideal and real crack have been presented elsewhere2 ,3 and wil[r] ...
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A New Alternative Method for the Generation of Acoustic Filters, Modulating Acoustic Impedance: Theoretical Model
... both longitudinal and transverse elastic wave, and a fluid only transmits elastic longitudinal ...a longitudinal wave in a fluid is incident obliquely on the interface with a solid, both type of ...
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Cut off period for slow magnetoacoustic waves in coronal plasma structures
... of waves as well as the field-aligned struc- turing of the coronal plasma ...tube waves (tube speed) is only slightly di ff erent from the sound ...tube waves in solar plasma structures were analysed ...
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The effect of rheology with gas bubbles on linear elastic waves in fluid-saturated granular media
... The fundamentals of the theory of wave propagation in porous elastic solids can be found in [1, 2] or, for a more recent review, [3]. In [1, 2] Biot generalised the first principles of linear elasticity and today, most ...
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Ultrasonic Scattered Field Distribution of One and Two Cylindrical Solids with Phased Array Technique
... incident longitudinal waves in ...dent longitudinal wave propagates into the medium with structural steel as a matrix material and aluminum as a scatterer ...The longitudinal wave field ...
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CH14
... Transverse waves The two disturbances shown in Figure 14-5a are called wave ...motion. Longitudinal waves In a coiled-spring toy, you can create a wave pulse in a different ...Sound waves are ...
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Aluminum Nitride Contour Mode Resonators
... the waves reflect off of the edges of the device there is a clear grating pattern that develops, this is due to the mode of resonance which is based on Rayleigh waves and is deter- mined by the pitch of the ...
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Ultrasonic NDE of Integrally Fabricated Turbine Rotors
... For the bond coupons, the measurement techniques studied were longitudinal waves at normal incidence to the bond plane, "conventional" oblique incidence longitudinal and shear wave inspe[r] ...
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Ultrasonic NDE Techniques for Integrally Fabricated Rotors
... Recently we have examined ultrasonic techniques for assessing bond quality including leaky Rayleigh waves and critical angle longitudinal waves!1], for which the illuminating waves are n[r] ...
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Guided Waves Mode Discrimination in Pipes NDT Based on the Matching Pursuit Method
... very useful [16]. In addition, MP can be applied to guided waves modes extraction and identification. Ajay Raghavana [17] applied Chirplet matching pursuits to process guided waves signals and distinguish ...
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