International Journal of Fluid Mechanics Research
Published 6 issues per year
ISSN Print: 2152-5102
ISSN Online: 2152-5110
IF:
1.1
5-Year IF:
1.3
Eigenfactor:
0.0002
JCI:
0.33
SJR:
0.256
SNIP:
0.49
CiteScore™::
2.4
H-Index:
23
Indexed in
Sound Radiation by Circular Bimorphic Piezoceramic Plate
Volume 31,
Issue 4, 2004,
11 pages
DOI: 10.1615/InterJFluidMechRes.v31.i4.30
ABSTRACT
A problem of sound radiation by a bimorphic piezoceramic disk submerged in fluid and being excited by a harmonic in time electric voltage is solved within the scope of the theory of thin bimorphic piezoplates and using the method of partial domains. The cases are considered when the bimorphic disk is placed inside an infinite baffle (acoustically soft or hard). The disk's contour is implied to be free or simply supported. A numerical analysis of radiated power and directivity pattern for acoustical system under consideration is conducted. As a result, it is shown that, contrary to a widespread opinion, the free disk in the soft baffle is an efficient sound source.
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