Volume 4, Number 1, March, 1996 - Noise News International
Volume 4, Number 1, March, 1996 - Noise News International
Volume 4, Number 1, March, 1996 - Noise News International
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GeneralAcoustic engineering in the automotive industry: requirementsfor education of engineers in acoustics • Education inacoustics -demand and supply • Education in environmentand noise control. Educational problems in acoustics implementedin architecture and environmental planning. In residenceand distance education in noise control. <strong>Noise</strong> controleducation at Purdue University.• Practical education tochange attitudes to noise • Teaching software package forapplied acoustics. The ISVR undergraduate and Master ofScience programs in acousticsEmission: <strong>Noise</strong>SourcesA comparison of prediction methods for valve noise withexperimental results • A new approach to wind turbine noisemeasurement. A new vehicle noise measuring method replacingthe ISO 362 principle. A reduction of vehicle pass-bynoise by experimental approach. A simple test rig for illustratingfan noise characteristics • A theoretical and experimentalstudy of the intake noise of a passenger car. Acousticstudies of a 2.2 kW variable speed induction motor. Acousticalinteraction of a thin plate with flowing fluid. Advancedsubsonic aircraft engine noise reduction research • Aeroacousticresearch applied to TVG. Aeroacoustic sounds radiatingfrom a windbreak cover on a car roof Air conditioningnoise sources identification using acoustical holography •Aircraft turbofan broadband noise prediction. Airport noise- the Hong Kong perspective. Alternative textures for concreteroads: a comparison of vehicle noise emission levels forrecently constructed road surfaces • An empirical model forthe in-flight noise directivity of an FI6-C • An investigationof blade swish from wind turbines. Analysis of the effects oftime harmonics on the radiated sound power of variable speedinduction motors. Auto racing noise • Case studies of bodynoise from a rigid and an articulated tipper lorry. Combustionnoise from diesel engines -aspects on the importance ofavoiding suboptimization of environmental factors. Communitynoise around airports. The influence offuture noise trendsincluding chapter 2 phaseout. Composition of characteristicvehicle interior sound development process with respect tothe power train • Contribution of changes in flux densityharmonics to noise emissions of the asynchronous electricalmachines. Contribution of the brush commutator system tonoise emissions of series FHP motors • Countermeasure fornoise and vibration reduction of high-speed vehicle equippedwith resilient wheels. Designing high speed railway systems:noise challenges. Development and testingof wheels and truckcomponents for reduced rolling noise from freight trains •Development of procedures for predicting ground noise fromHeathrow Terminal 5 • Dutch noise reduction program forfreight railway vehicles: localization of important sources •Dynamics of cylindrical shells in contact with subsonic flow •Effect of track bending waves on generating ground vibrationsby high speed trains. Effect of tire noise limits on traffic noise• Evaluation of noise emissions of cars based on loudness.Exterior noise reduction of trucks. FAI proposal for noiseevaluation of smaller airports • Final results of a nationalround robin test determining the sound power level of machines/equipment.Flow-induced noise and vibration of highspeedvehicles. Frictional noise in sliding contact of aluminaceramics. Ground-borne noise and vibration from railways:the pitfalls. Groundborne noise from new railway tunnels.Impulse noise measurements in a forest during summer andwinter conditions - overview of measurements • Indices ofthe acoustic assessment of machines. Industrial noise sources-methods of measurement and estimation. Interpretation ofair-to-air flyby noise measurements on a piston-poweredaeroplane. Investigation in the interrelation between stationarynoise emission and running noise emission from roadvehicles. Isolation of tire/pavement noise in motor vehiclepassby noise measurements using sound intensity. Issues ofminimization of noise in machines treated as multi-sourcesystems • Measurement of infrasound from wind turbines •Mechanism of whistle-like tone of the control valve. Militaryairports noise load reduction in Czech Republic. Modelingand measurement of sound intensity of jet screech. <strong>Noise</strong>and vibration control in micro-electronic facilities • <strong>Noise</strong>control of in-use vehicles - new Norwegian legislation. <strong>Noise</strong>emission of a 250 mW coal gasification plant for electricitygeneration. <strong>Noise</strong> emission of constructions for bridge-toroadcrossings. <strong>Noise</strong> generation by a suction unit at differentoperating conditions. <strong>Noise</strong> of automobile alternator. <strong>Noise</strong>problems of an aircraft factory airport. <strong>Noise</strong> reduction ofmixer-ejector nozzle. <strong>Noise</strong> source localization in an hydraulicaggregate by using the sound intensity method. Objectiveevaluation of interior noise in running vehicles. Opening ofa new runway at Kingford Smith Airport, Sydney, Australia-acoustical impact • Pneumatic sound generator with frequency-independentcontrol of directivity characteristic •Public reactions to changes in noise levels around Sydneyairport. Reduction of microphonic phenomenon in cathoderay tube by finite element analysis and design of experiment• Reduction of noise and vibration from bearing loaded shaftsin photocopiers • Roller coaster noise .Second generationSST: <strong>Noise</strong> characteristics and operational noise performance• Simulation of wayside time-dependent noise level onShinkansen and analysis of noise sources for their contributionto the noise level. Small slender pieces attached at theend of a nozzle for decreasing the low-velocity jet noise.Sound pressure level evaluation from toilet flushes. Soundtransmission through a gearbox: study and modeling of theinternal acoustic sources. Sources of aerodynamic noise fromwind turbines • Standings and results of the research onaircraft noise - longitudinal study at DUsseldorf Airport 1987- 1995. Status of vehicular noise control in Taiwan. Studyof sound quality improvement for car audio system. Studyon the reduction of Karman-vortex induced sound using quietflow wind tunnel. Study on the reduction of rotating noiseemitted from centrifugal fan. Survey of environmental noiseand vibration from London Underground trains. Technicalimplications of the new French regulations in the field oftraffic noise. The change in traffic noise levels following theinstallation of speed control cushions and road humps • Thecurrent theory - methods for inner acoustics of machines. Theeffective use of noise prediction in the design process. Theinfluence of facade effects on road traffic noise levels. Theinfluence of the unsymmetric alternator fan blade-spacing tothe total sound pressure level and spectra of aerodynamicnoise • The United Kingdom calculation of railway noisemethodology - a partial validation of the input data andalgorithms. The use of SEL in the prediction of motor racingnoise impact. Theoretical and experimental comparisons ofsound visualization methods for moving noise sources. Turbulentairflow noise production and propagation patterns of asubsonic jet impinging on a flat plate. Vehicle noise emissionat low speed. Wall porosity effects on wave propagation incatalytic converter elementsPhysical PhenomenaA computational model for long range propagation of bulletnoise • A fast boundary element method for propagationabove an inhomogeneous impedance boundary. A model for<strong>1996</strong> <strong>March</strong><strong>Noise</strong>l<strong>News</strong> <strong>International</strong> 27