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:: year 8, Issue 2 (Journal of Acoustical Engineering Society of Iran 2021) ::
مجله علمی پژوهشی انجمن مهندسی صوتیات ایران 2021, 8(2): 44-50 Back to browse issues page
Investigation of geometric parameters affecting the performance of acoustic vector sensors using a finite element method (Research Article)
M. Mozafari *, M.H. Hamidzadeh, H.R. Massah
Abstract:   (625 Views)
The purpose of this numerical analysis is to deduce the temperature difference between the two heated wires of the sensor due to an imposed particle velocity. In this research, the effects of sensor geometric parameters such as changing the dimensions of the wires, the distance between the wires and How wires are placed over the sound direction. The sensitivity of sensors is investigated numerically. Numerical studies show that sensitivity is a function of frequency. With frequency increase from 100 to 1000 Hz, it is sharply reduced and then monotonic to zero. Also, been observed that the sensitivity is related to the position of the wires relative to each other and the dimensions of the cross-section of the wires, and sensitivity decreases by increasing the distance between the wires and the height of the cross section of the wires. Further, the sensitivity angle dependence has been investigated, and the observed sensitivity is related to how the wires are placed over the sound wave propagation and in parallel mode by increasing angle from zero to 90 degree, the sensitivity decreases.
Keywords: Numerical Analysis, Acoustic Vector Sensor, Microflown, Sensitivity.
Full-Text [PDF 172 kb]   (209 Downloads)    
Type of Study: Research | Subject: Mathematics in Acoustics
Received: 2019/06/10 | Accepted: 2021/03/2 | Published: 2021/03/10
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Mozafari M, Hamidzadeh M, Massah H. Investigation of geometric parameters affecting the performance of acoustic vector sensors using a finite element method (Research Article). مجله علمی پژوهشی انجمن مهندسی صوتیات ایران. 2021; 8 (2) :44-50
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year 8, Issue 2 (Journal of Acoustical Engineering Society of Iran 2021) Back to browse issues page
مجله علمی-پژوهشی انجمن lمهندسی صوتیات ایران Journal of Acoustical Engineering Society of Iran
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