National Acoustic Laboratories Library

An analytical model for noise radiated from axial vibration of a simplified pressure hull of an underwater vehicle (Record no. 2568)

MARC details
000 -LEADER
fixed length control field 01582nam a22001577a 4500
003 - CONTROL NUMBER IDENTIFIER
control field OSt
005 - DATE AND TIME OF LATEST TRANSACTION
control field 20160525105630.0
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fixed length control field 160525b xxu||||| |||| 00| 0 eng d
040 ## - CATALOGING SOURCE
Transcribing agency National Acoustic Laboratories
100 ## - MAIN ENTRY--PERSONAL NAME
Personal name Hall, Marshall V
245 ## - TITLE STATEMENT
Title An analytical model for noise radiated from axial vibration of a simplified pressure hull of an underwater vehicle
520 3# - SUMMARY, ETC.
Summary, etc An analytical model is presented for the hull vibration and sound pressure radiated when a large empty cylindrical hull submerged in water is excited by an axial thrust along a central propeller shaft. The model, which is based on the Donnell-Mushtari coupled equations of motion for axial and radial vibration of a cylindrical shell, yields frequency-dependent phase velocity and attenuation of those vibrations. The amplitudes of the vibrations that travel along a hull and reflected by both ends are described in terms of the incident thrust. A solution is obtained for the consequent radiated sound pressure. Both unstiffened and stiffened shells are considered, in which the analytical model for the stiffened shell is based on a smeared approach. Results from the analytical model presented here are compared with the analytical results from literature. The main contribution of this work is to consider phase velocities that vary with frequency and their effect on the radiated sound pressure.
773 0# - HOST ITEM ENTRY
Title Acoustics 2015 Hunter Valley 15-18 November 2015
856 ## - ELECTRONIC LOCATION AND ACCESS
Uniform Resource Identifier <a href="http://dspace.nal.gov.au/xmlui/bitstream/handle/123456789/367/p11.pdf?sequence=1&isAllowed=y">http://dspace.nal.gov.au/xmlui/bitstream/handle/123456789/367/p11.pdf?sequence=1&isAllowed=y</a>
942 ## - ADDED ENTRY ELEMENTS (KOHA)
Source of classification or shelving scheme Universal Decimal Classification
Koha item type Journal article

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