PMUTs array with dynamic directivity: A study of its underwater acoustic power intensity

This paper presents the design and fabrication process of a PMUT array with adaptive directivity in order to study the beam pattern and acoustic power intensity of PMUT arrays. The proposed PMUT array consists of four 6 ⨯ 6, 8 ⨯ 8, 12 ⨯ 12, and a directional 6 ⨯ 6 arrays. Each array can be actuated separately. A detailed mathematical study, which is followed by FEM simulation, on directivity, beam pattern, and the acoustic power intensity is discussed. The fabricated array has resonance frequency of 160 kHz underwater with 4 levels of directivity. The measurement results are compared with the analytical and simulation results.

ISBN:9781538634257

Jaar van publicatie:2018

BOF-keylabel:ja

IOF-keylabel:ja

Authors from:Higher Education

Toegankelijkheid:Open