Study on Ultrasonic Source System Using Acoustic Waveguide: Simulation of 2D Acoustic Fields
We propose a system for generating and controlling an ultrasonic acoustic field using multiple acoustic waveguides and piezoelectric transducers. This system can be used as a high-power ultrasonic source for nonlinear calibration of hydrophones. In the system, ultrasonic waves are emitted from multi...
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| Veröffentlicht in: | Sensors & transducers 2015-01, Vol.184 (1), p.45-45 |
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| creator | Igarashi, Shigeru Takeuchi, Shinichi |
| description | We propose a system for generating and controlling an ultrasonic acoustic field using multiple acoustic waveguides and piezoelectric transducers. This system can be used as a high-power ultrasonic source for nonlinear calibration of hydrophones. In the system, ultrasonic waves are emitted from multiple transducers with controlled transmission delays, and the acoustic power is increased through acoustic waveguides before being output, this allows synthesis and control of ultrasonic acoustic fields. We simulated the proposed system as a two-dimensional acoustic field in which the computed output acoustic pressure determines the basic shape of the acoustic waveguide. The proposed system of five transmitting transducers and five acoustic waveguides was compared with a single transmitting transducer, and the results showed a peak acoustic pressure of 1.5-fold increase value at the same beam width. |
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This system can be used as a high-power ultrasonic source for nonlinear calibration of hydrophones. In the system, ultrasonic waves are emitted from multiple transducers with controlled transmission delays, and the acoustic power is increased through acoustic waveguides before being output, this allows synthesis and control of ultrasonic acoustic fields. We simulated the proposed system as a two-dimensional acoustic field in which the computed output acoustic pressure determines the basic shape of the acoustic waveguide. 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| identifier | ISSN: 2306-8515 |
| ispartof | Sensors & transducers, 2015-01, Vol.184 (1), p.45-45 |
| issn | 2306-8515 1726-5479 |
| language | eng |
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| source | EZB-FREE-00999 freely available EZB journals; Alma/SFX Local Collection |
| subjects | Acoustic emission Acoustic waveguides Acoustics Computer simulation Control systems Finite element analysis Pilot projects Power Pressure distribution Sensors Simulation Transducers Transmission Two dimensional Ultrasonic technology Ultrasonic testing |
| title | Study on Ultrasonic Source System Using Acoustic Waveguide: Simulation of 2D Acoustic Fields |
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