Accession Number:

AD0773643

Title:

Second Progress Report Covering Period 1 December 1973 to 14 January 1974,

Corporate Author:

HYDROACOUSTICS INC ROCHESTER N Y

Report Date:

1974-01-17

Abstract:

The work includes results of the hydrophone modeling effort which define the tradeoffs in bender hydrophone design between sensitivity, output impedance, bandwidth, size and depth capability. The design curves also provide guidance on selection of the proper value of ceramic-to-metal thickness ratio to achieve a given set of performance parameters. Some preliminary results in the extension of mathematical modeling of hydroacoustic devices is described. A differential equation is developed for a fast moving variable orifice valve and expressions are developed for pressure drop and power loss in fixed orifice-like constrictions which pass both steady and acoustic flows.

Supplementary Note:

Report on a Development Program for Flexural Model Transducers and Hydroacoustic Technology. See also AD-771 706.

Pages:

0036

Subject Categories:

Communities Of Interest:

Contract Number:

N00024-73-C-1170

File Size:

0.00MB

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