LOW FREQUENCY BARREL-STAVE PROJECTORS

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Authors
  1. Jones, D.F.
  2. Reithmeier, C.G.
Corporate Authors
Defence Research Establishment Atlantic, Dartmouth NS (CAN)
Abstract
Recently, a number of large barrel-stave projectors, for sonar and general underwater acoustics applications, have been constructed and tested at the Defence Research Establishment Atlantic in Dartmouth, Nova Scotia. The projectors provide high power at low frequency by exploiting mechanical amplification inherent to flextensional transducers. This paper describes the construction of the large barrel-stave projectors and presents teh followign measured and calculated performance parameters: resonance frequencies, bandwidths, mechanical quality factors, transmitting voltage responses, source levels, and electroacoustic efficiencies. In addition, a simple machining technique for fine tuning the resonance frequencies of the barrel-stave projectors is presented.
Keywords
Barrel Stave Projectors (BSP);Flextensional projectors
Report Number
DREA-PAPER-1993-JONES-1 — Paper
Date of publication
17 Jun 1993
Number of Pages
6
DSTKIM No
97-03272
CANDIS No
503414
Format(s):
Hardcopy;Document Image stored on Optical Disk

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