Sound Field Calculation for Rectangular Sources

Overview

Journal IEEE Trans Ultrason Ferroelectr Freq Control

Specialties Biomedical Engineering
Nuclear Medicine

Date 1989 Jan 1

PMID 18284974

Citations 22

Authors

K B Ocheltree

L A Frizzel

Affiliations

Soon will be listed here.

Abstract

A method is presented for calculation of the sound field from a rectangular continuous-wave source surrounded by a plane grid baffle. The approach is illustrated for square sources of 0.5, 1, 2, 5, 10, 20, and 100 lambda on a side. These results are compared to the sound fields produced by similarly sized circular sources. The beam widths and locations of on-axis minima are similar for the two sources, but the transverse pressure distribution is more uniform in the near-field of the square source. The effects of attenuation on the sound field of a square source are examined.

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