Multi-pole representation of small acoustic sources

Citation
F. Santosa et Ww. Symes, Multi-pole representation of small acoustic sources, CH J MECH-A, 16(1), 2000, pp. 15-21
Citations number
6
Categorie Soggetti
Mechanical Engineering
Journal title
CHINESE JOURNAL OF MECHANICS-SERIES A
ISSN journal
10174370 → ACNP
Volume
16
Issue
1
Year of publication
2000
Pages
15 - 21
Database
ISI
SICI code
1017-4370(200003)16:1<15:MROSAS>2.0.ZU;2-J
Abstract
Band-limited acoustic sources of small spatial extent produce radiation pat terns well approximated by those of multi-poles. Assumed limits on dimensio nless size Ka and source efficiency lead to explicit rules for the necessar y length of the multi-pole series.