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Proceedings Papers
In This Volume
ASME 2012 Noise Control and Acoustics Division Conference
Noise Control and Acoustics
Sound Propagation in a Sheared Flow Based on Fluctuating Total Enthalpy as Generalized Acoustic Variable
NCAD 2012; 279-284https://doi.org/10.1115/NCAD2012-0838
Topics:
Acoustics
,
Enthalpy
,
Flow (Dynamics)
,
Waves
,
Rotational flow
,
Wave equations
,
Aircraft
,
Boundary-value problems
,
Excitation
,
Finite element methods
Sonic Boom Propagation in Urban Canyons
NCAD 2012; 243-248https://doi.org/10.1115/NCAD2012-0656
Topics:
Cities
,
Sonic booms
,
Diffusion (Physics)
,
Flight
,
NASA
,
Ray tracing
Localisation of Sound Sources on Aircraft in Flight
NCAD 2012; 193-202https://doi.org/10.1115/NCAD2012-0575
Topics:
Aircraft
,
Flight
,
Microphone arrays
,
Acoustics
,
Signals
,
Algorithms
,
Emissions
,
Engines
,
Imaging
,
Microphones
Six Noise Type Military Sound Classifier
NCAD 2012; 127-136https://doi.org/10.1115/NCAD2012-0326
Topics:
Military systems
,
Noise (Sound)
,
Aircraft
,
Army
,
Electromagnetic noise
,
Engineers
,
Fire
,
Industrial research
,
Machinery
,
Signals
Prediction of High Frequency Sonic Boom Noise Transmission Into Buildings Using a Hybrid Analytical-Ray Tracing Approach
NCAD 2012; 331-342https://doi.org/10.1115/NCAD2012-0955
Topics:
Noise (Sound)
,
Sonic booms
,
Structures
,
Acoustics
,
Radiation (Physics)
,
Vibration
,
Computation
,
Dimensions
,
Finite element methods
,
Flight
An Extension of the Low Reduced Frequency Model for Viscothermal Acoustic Propagation Within Waveguides
NCAD 2012; 285-290https://doi.org/10.1115/NCAD2012-0853
Topics:
Acoustics
,
Waveguides
,
Fluids
,
Flow (Dynamics)
,
Wave propagation
,
Boundary layers
,
Catalytic converters
,
Cavities
,
Cooling systems
,
Damping
A Drill Rod Coulomb Friction Damper
NCAD 2012; 637-644https://doi.org/10.1115/NCAD2012-1504
Topics:
Coulombs
,
Dampers
,
Drills (Tools)
,
Friction
,
Vibration
,
Inertia (Mechanics)
,
Noise control
,
Power presses
,
Resonance
,
Thread
Study of Wall Thickness and Material Effect on Acoustic Wave Propagation in Water-Filled Piping
NCAD 2012; 421-429https://doi.org/10.1115/NCAD2012-1131
Topics:
Acoustics
,
Pipes
,
Wall thickness
,
Water
,
Wave propagation
,
Resonance
,
Piping systems
,
Aluminum
,
Flow (Dynamics)
,
Linear wave theory
Development of Particle Velocity Transfer Path Analysis
NCAD 2012; 359-368https://doi.org/10.1115/NCAD2012-1018
Topics:
Particulate matter
,
Sound pressure
,
Degrees of freedom
,
Errors
,
Construction equipment
,
Scalars
,
Trains
A Laboratory Framework for Synchronous Near/Far-Field Acoustics and MHz PIV in High-Temperature, Shock-Containing, Jets
NCAD 2012; 505-519https://doi.org/10.1115/NCAD2012-1270
Topics:
Acoustics
,
High temperature
,
Jets
,
Shock (Mechanics)
,
Nozzles
,
Noise (Sound)
,
Turbulence
,
Flow (Dynamics)
,
Synchronization
Influence of Wall Surface and Air Modelling in Finite-Element Analysis of Sound Transmission Between Rooms in Lightweight Buildings
Lars Vabbersgaard Andersen, Poul Henning Kirkegaard, Kristoffer Ahrens Dickow, Nikolaj Kiel, Kent Persson
NCAD 2012; 393-404https://doi.org/10.1115/NCAD2012-1093
Topics:
Finite element analysis
,
Modeling
,
Sound
,
Structures
,
Acoustics
,
Sound pressure
,
Accounting
,
Ceilings
,
Degrees of freedom
,
Design
Development of a Practical Design Guide for Balcony Acoustic Treatments
NCAD 2012; 105-113https://doi.org/10.1115/NCAD2012-0298
Topics:
Acoustics
,
Design
,
Noise (Sound)
,
Traffic
,
Architects
,
Roads
,
Structural design
Blind Pedestrians and Quieter Vehicles: How Adding Artificial Sounds Impacts Travel Decisions
NCAD 2012; 71-82https://doi.org/10.1115/NCAD2012-0221
Topics:
Vehicles
,
Roads
,
Cities
,
Electric vehicles
,
Electrical measurement
,
Internal combustion engines
,
Mechanical admittance
,
Regression analysis
,
Signals
,
Surges
Modeling High-Frequency Tire Tread Vibration as a Group of Traveling Bending Waves
NCAD 2012; 83-91https://doi.org/10.1115/NCAD2012-0282
Topics:
Modeling
,
Tire tread
,
Vibration
,
Waves
,
Noise (Sound)
,
Pavement
,
Tires
,
Texture (Materials)
,
Damping
,
Engineers
Noise Assessment of Bioethanol Fuelled Hybrid and Electric Postal Vehicles Equipped With a Kinetic Energy Recovery System
NCAD 2012; 93-103https://doi.org/10.1115/NCAD2012-0292
Topics:
Kinetic energy
,
Noise (Sound)
,
Vehicles
,
Emissions
,
Engines
,
Cities
,
Batteries
,
Electric vehicles
,
Engineering standards
,
Gasoline
Approaches to Urban Noise Management in India
NCAD 2012; 551-557https://doi.org/10.1115/NCAD2012-1355
Topics:
Cities
,
Noise (Sound)
,
Pollution
,
Curbs (Roads)
,
Governments
,
Lumber
,
Pollution control
Analysis of Potential Solutions to Audible Tire Cavity and Rim Coupling Resonance Noise
NCAD 2012; 15-21https://doi.org/10.1115/NCAD2012-0113
Topics:
Cavities
,
Noise (Sound)
,
Resonance
,
Tires
,
Design
,
Wheels
,
Centrifugal force
,
Durability
,
Extruding
,
Fins
Correlation Between a Questionnaire About Noise-Induced Hearing Loss and SPL of Portable Music Players of High School and University Students
NCAD 2012; 593-603https://doi.org/10.1115/NCAD2012-1412
Topics:
Noise (Sound)
,
Undergraduate students
,
Sound pressure
,
Biomedicine
,
Buses
,
Damage
,
Risk
,
Students
,
Trains
Sound Manipulation With Acoustic Metamaterials
NCAD 2012; 521-528https://doi.org/10.1115/NCAD2012-1277
Topics:
Phononic crystals
,
Acoustics
,
Design
,
Black holes
,
Bulk modulus
,
Computer simulation
,
Density
,
Resonance
,
Wave propagation
,
Wavelength
Accurate Designing of Flat-Walled Multi-Layered Lining System Using Genetic Algorithm for Application in Anechoic Chambers
NCAD 2012; 227-235https://doi.org/10.1115/NCAD2012-0609
Topics:
Anechoic chambers
,
Design
,
Genetic algorithms
,
Linings (Textiles)
,
Acoustics
,
Optimization
,
Urethane foam
,
Wedges
,
Computer software
,
Foams (Chemistry)
Procedure to Estimate the In-Duct Sound Power in the High Frequency Range With Non-Plane Waves
NCAD 2012; 181-191https://doi.org/10.1115/NCAD2012-0531
Topics:
Ducts
,
Waves
,
Microphones
,
Acoustics
,
Machinery
,
Compressors
,
Computer simulation
,
Design
,
Dipoles (Electromagnetism)
,
Engineering simulation
Virtual Sensing in Local Active Suppression on Pressure Fluctuations for Controlling Flow-Induced Vibration in Hard Disk Drives
NCAD 2012; 583-592https://doi.org/10.1115/NCAD2012-1403
Topics:
Disks
,
Flow-induced vibrations
,
Fluctuations (Physics)
,
Pressure
,
Feedback
,
Signals
,
Vibration
,
Horizontal directional drilling
,
Sensors
,
Actuators
Design of a Variable Thickness Plate to Focus Bending Waves
NCAD 2012; 537-544https://doi.org/10.1115/NCAD2012-1330
Topics:
Design
,
Waves
,
Damping
,
Computer simulation
,
Lenses (Optics)
,
Plates (structures)
,
Traveling waves
Acoustic Performance of Louvred Facades for Brisbane Domestic Airport: An Integrated Approach
NCAD 2012; 577-582https://doi.org/10.1115/NCAD2012-1393
Topics:
Acoustics
,
Design
,
Emissions
,
Engineering prototypes
,
Gases
,
Green buildings
,
Heating and cooling
,
Noise (Sound)
,
Noise control
,
Space
Identification of Sound Quality Parameters With Respect to Subjective Feel of HVAC Noise of Diesel SUV’s
NCAD 2012; 529-536https://doi.org/10.1115/NCAD2012-1280
Topics:
Diesel
,
HVAC equipment
,
Noise (Sound)
,
Sound quality
,
Automobiles
,
Acoustics
,
Engines
,
Flow (Dynamics)
,
Power stations
,
Signals
Determination of Volume Fractions in a Two-Phase Flows From Sound Speed Measurement
NCAD 2012; 559-567https://doi.org/10.1115/NCAD2012-1381
Topics:
Two-phase flow
,
Fluids
,
Algorithms
,
Temperature
,
Composite materials
,
Water
,
Crude oil
,
Density
,
Emulsions
,
Oil fields
Sound Quality in Urban Environments and its Relationship With Acoustic Parameters
Juan M. Barrigón Morillas, Valentín Gómez Escobar, Guillermo Rey Gozalo, Rosendo Vílchez-Gómez, Juan Antonio Méndez Sierra, José Trujillo Carmona, Carlos Prieto Gajardo, F. Javier Carmona del Río
NCAD 2012; 291-299https://doi.org/10.1115/NCAD2012-0854
Topics:
Acoustics
,
Cities
,
Sound quality
,
Acoustical properties
,
Loudness (Acoustics)
Transfer Path Analysis of Body Panel Participation Using a Structural-Acoustic Finite Element Model
NCAD 2012; 351-357https://doi.org/10.1115/NCAD2012-1016
Topics:
Acoustics
,
Finite element model
,
Vehicles
,
Noise (Sound)
,
Automobiles
,
Excitation
,
Finite element methods
,
Transportation systems
,
Vibration
On the Accuracy of Dynamic and Acoustic Analysis of Lightweight Panel Structures: A Comparison of ABAQUS and ANSYS
NCAD 2012; 481-487https://doi.org/10.1115/NCAD2012-1230
Topics:
Acoustics
,
Finite element analysis
,
Vibration
,
Building codes
,
Modal analysis
,
Sound
,
Sound waves
,
Structures
,
Timber
A New Method of Curve Fitting for Calculation of Reverberation Time From Impulse Responses With Insufficient Length
NCAD 2012; 545-549https://doi.org/10.1115/NCAD2012-1349
Topics:
Curve fitting
,
Impulse (Physics)
,
Sound reverberation
,
Acoustics
,
Architectural acoustics
,
Fittings
,
Algorithms
,
Simulation
Superelement Reduction of Industrial Finite Element Brake System for a Constrained Harmonic Balance Method
NCAD 2012; 159-168https://doi.org/10.1115/NCAD2012-0484
Topics:
Brakes
,
Finite element analysis
,
Numerical analysis
,
Bifurcation
,
Eigenvalues
,
Engineering simulation
,
Friction
,
Limit cycles
,
Simulation
,
Transient analysis