DESIGN AND SIMULATION OF A BROADBAND SONAR TRANSDUCER AND THE EXPERIMENTAL VALIDATION

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YOUSEFI AMIN; ABOOTORABI MOHAMMAD MAHDI

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Journal: Modares Mechanical Engineering Year:2016 | Volume:16 | Issue:5 Page(s): 290-296

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Title

DESIGN AND SIMULATION OF A BROADBAND SONAR TRANSDUCER AND THE EXPERIMENTAL VALIDATION

Author(s)

YOUSEFI AMIN | ABOOTORABI MOHAMMAD MAHDI | Issue Writer Certificate

Keywords

TRANSDUCERQ1

TONPILZQ1

RESONANCE FREQUENCYQ2

ELECTRICAL IMPEDANCEQ1

TRANSMITTING VOLTAGE RESPONSEQ2

Abstract

Knowledge of broadband TRANSDUCERs is a new technology in the field of sonar science. Considering that Iran has sea water resources, its importance becomes more and more. In this article, after studying the performance of the kinds of TRANSDUCERs in the field of sonar TRANSDUCERs, a proper broadband TRANSDUCER with the specific impedance and acoustical characteristics that can send and receive signals, is designed, simulated, fabricated and tested. At first, overall dimension of a broadband TRANSDUCER with lumped parameter model and electrical equivalent circuit model was approximated and then, with increasing the degrees of freedom of analytical models, all characteristics of the optimum TRANSDUCER parts were obtained in order to have a large bandwidth. By using finite element software (COMSOL Multiphysics), the designed model was simulated and the obtained results have been compared with analytical design solution. Finally, the TRANSDUCER was fabricated and tested in order to validate the modeled and simulated data by comparing them with practical ones. The obtained experimental results showed that the simulation with COMSOL Multiphysics can predict the RESONANCE FREQUENCY and maximum TRANSMITTING VOLTAGE RESPONSE (TVR) of the broad bandwidth TRANSDUCER with reasonable precision. The prediction error of RESONANCE FREQUENCY and maximum TVR by COMSOL is 3.8% and 5.7%, respectively. The use of lumped parameter and electrical equivalent circuit models gives an initial approximation for TRANSDUCER dimensions, but in determination of the RESONANCE FREQUENCY and the frequency of maximum TVR has a higher error in comparison with the finite element method.

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APA: Copy

YOUSEFI, AMIN, & ABOOTORABI, MOHAMMAD MAHDI. (2016). DESIGN AND SIMULATION OF A BROADBAND SONAR TRANSDUCER AND THE EXPERIMENTAL VALIDATION. MODARES MECHANICAL ENGINEERING, 16(5), 290-296. SID. https://sid.ir/paper/177955/en

Vancouver: Copy

YOUSEFI AMIN, ABOOTORABI MOHAMMAD MAHDI. DESIGN AND SIMULATION OF A BROADBAND SONAR TRANSDUCER AND THE EXPERIMENTAL VALIDATION. MODARES MECHANICAL ENGINEERING[Internet]. 2016;16(5):290-296. Available from: https://sid.ir/paper/177955/en

IEEE: Copy

AMIN YOUSEFI, and MOHAMMAD MAHDI ABOOTORABI, “DESIGN AND SIMULATION OF A BROADBAND SONAR TRANSDUCER AND THE EXPERIMENTAL VALIDATION,” MODARES MECHANICAL ENGINEERING, vol. 16, no. 5, pp. 290–296, 2016, [Online]. Available: https://sid.ir/paper/177955/en

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