high frequency ultrasonic waves
Investigation and modeling of viscoelastic moduli for multilayered polymeric systems using high frequency ultrasonic waves
... 98 However, the utilization of this approach does encounter some problems. With this formulation for the calculation of ultrasonic attenuation, the authors make 3 assumptions[55]. They assume that samples are ...
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High frequency ultrasonic assisted mass transfer for water batch reactor
... promising ultrasonic applications have been developed for solid cleaning, liquid chemical reactions, emulsions, humidifier and others (Cravotto et al ...the ultrasonic-assisted study for the mass transfer ...
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A Theoretical Study of Experimental Analysis Ultrasonic Interferometer
... An Ultrasonic interferometer is a simple and direct device to determine the ultrasonic velocity in liquids with high degree of ...medium. Ultrasonic waves of known frequency (f) ...
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Ultrasonic Park Controller
... An ultrasonic transducer is a device that converts energy into ultrasound, or sound waves above the normal range of human ...an ultrasonic transducer that converts mechanical energy in the form of ...
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AN ACOUSTIC ANTIFOULING STUDY IN SEA ENVIRONMENT FOR SHIP HULLS USING ULTRASONIC GUIDED WAVES
... mechanical waves with operating frequencies ranging from audible (20Hz – 20 kHz) to ultrasonic (above 20 kHz) ...of high importance due to the effects of nodes and anti-nodes, which cause destructive ...
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Neural Mechanism of Hearing in Insects
... The present studies have confirmed that the stridulatory sounds produced by certain insects involve high-frequency and even ultrasonic waves and the most effective frequency of sound to [r] ...
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Application of Ultrasonic Waves for the Improvement of Water Treatment
... as high cost, ineffective for removal some pol- lutant, operation problems and generate toxic secondary pollutants ...of ultrasonic waves into fluids ...and high-frequen- cy waves ...
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High frequency measurement of ultrasound using flexural ultrasonic transducers
... flexural ultrasonic transducer can be undertaken through different techniques including laser Doppler vibrometry (LDV) or with an acoustic ...measure high frequency ultrasound waves is ...
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The Experiment of Acoustic Levitation and the Analysis by Simulation
... a high-frequency piston vibration gener- ated by the radiation end of the ultrasonic transducer [3], forming a sound field in the medium, and placing a reflection end on the acoustic wave ...
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High frequency ultrasonic characterization of carrot cell texture
... low frequency ultrasound. A examined the changes in low frequency (37kHz) velocity and attenuation among cooked carrots ...sound waves through the cell ...
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ULTRASONIC WAVES - MEASUREMENT OF THE ULTRASONIC VELOCITY OF WATER
... the ultrasonic velocity in liquids with a high degree of ...accurate waves of known frequency are produced by a quartz crystal fired at the bottom of ...These waves are reflected by a ...
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Secure Transmission in UAV Intelligence
... sound waves respectively. Active ultrasonic sensors generate high frequency sound waves and evaluate the echo which is received back by the sensor, measuring the time interval between ...
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The influence of air pressure on the dynamics of flexural ultrasonic transducers
... additional ultrasonic waves have been detected, and in terms of practical application, each signal is representative of a clear and reliable ultrasound ...single-frequency ultrasonic wave, ...
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Metachronal Co ordination of the Comb Plates of the Ctenophore Pleurobrachia
... The frequency of reverse waves lay within the normal range, but the propagation of the waves was different from that of the forward waves; over the frequency range from 4 to 16 beats/sec[r] ...
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Study of nonthermal continuum patches : wave propagation and plasmapause study
... low frequency, below a threshold (of order 40 kHz) function of overall magneto- spheric conditions, the emission appears as broadbanded, due to multiple reflections at magnetospheric boundaries [see Gurnett, ...
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Characterization of Cortical Bone Using Ultrasonic Waves.
... of ultrasonic waves propagating in porous structures mimicking cortical ...and frequency in the range of [1 8] M H z ...of ultrasonic waves for k φ < 1 and pore diameters in the ...
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Design and Development of a Novel EBG Cell
... For high impedance surface, the phase of the reflected wave is 0 ...involves high impedance characteristics of the structure, the performance of the EBG structure can also be evaluated by reflection phase of ...
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A Survey to Detect Poisonous Gas in Industrial Plant and Residential Area
... [8] From the existing paper Due to change in technologies now a day’s world is very fast and automated. Internet of things is important is technology which operate the hardware resource. It will also detect the leakage ...
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Scattering and Transformation of Waves on Heavy Particles in Magnetized Plasma
... electromagnetic waves can lead to radiation of waves with new frequencies and wave numbers, ...scattered waves and also a new type of wave: transformed ...tromagnetic waves scattering and ...
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International Journal of Emerging Technology and Advanced Engineering
... Driving is a compulsory activity for most people. People use cars to move from one place to another. The number of vehicles is increasing day by day. It is produced tacked tightly and risk to accident. Nowadays, the ...
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