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Vol 39 No 1

CONTENTS

April 2011


ARTICLES

A simple outdoor criterion for assessment of low frequency noise emission
Norm Broner
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Relationship between natural frequencies and pull out force for plates with two clamped edges
Mauro Caresta and David Wassink
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TECHNICAL NOTES

Assessing noise from licensed premises - Are we on the same page?
Glenn Wheatley
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Noise abatement measures in Denmark
Gilles Pigasse and Hans Bendtsen
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A simple outdoor criterion for assessment of low frequency noise emission

N. Broner, Sinclair Knight Merz, Melbourne, VIC 3000
This e-mail address is being protected from spambots. You need JavaScript enabled to view it

Vol. 39, No. 1 pp 7 - 14 (2011)

Relationship between natural frequencies and pull out force for plates with two clamped edges

Mauro Caresta1 and David Wassink2
1School of Mechanical & Manufacturing Engineering, University of New South Wales (UNSW), Sydney NSW 2052 Australia
2Australian Nuclear Science and Technology Organisation (ANSTO), Lucas Heights, NSW 2234, Australia

Vol. 39, No. 1 pp 15 - 18 (2011)
ABSTRACT: Plate type nuclear fuel assemblies consist of a box like structure containing several thin rectangular fuel plates clamped to the side plates by a swage connection. In cooling these fuel assemblies during reactor operation, the coolant flow causes a longitudinal drag force that may shift the plates if they are not properly clamped. The aim of this work is to find a relationship between the natural frequencies of a plate with clamped edges and the pull out force needed to shift a plate from its designed position for various different clamped conditions. The results can be used in the future to assess the quality of the swages in plate-type nuclear fuel assemblies. An experimental rig consisting of a plate clamped along two opposite edges using bolted teams tightened to various torque settings to emulate the swage quality was built. Modal analysis was performed to relate the natural frequencies to the torque used to fasten the bolts.

Assessing noise from licensed premises - Are we on the same page?

Glenn Wheatley, RENZO TONIN & ASSOCIATES

Vol. 39, No. 1 pp 19 - 20 (2011)

Noise abatement measures in Denmark

Gilles Pigasse, Hans Bendtsen Danish Road Institute, Hedehusene, Denmark. This e-mail address is being protected from spambots. You need JavaScript enabled to view it

Vol. 39, No. 1 pp 21 - 24 (2011)
ABSTRACT: This technical note is a shortened version of a presentation by Gilles Pigasse to the NSW branch of the Australian Acoustical Society in December 2010.

 

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