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Proceedings Papers

Sound Attenuation in a Flow Duct Periodically Loaded With Micro-Perforated Patches Backed by Helmholtz Resonators

T. Bravo, C. Maury
Proc. ASME. NCAD2018, ASME 2018 Noise Control and Acoustics Division Session presented at INTERNOISE 2018, V001T01A001, August 26–29, 2018
Publisher: American Society of Mechanical Engineers
Paper No: NCAD2018-6103
https://doi.org/10.1115/NCAD2018-6103
View Paper titled, Sound Attenuation in a Flow Duct Periodically Loaded With Micro-Perforated Patches Backed by Helmholtz Resonators
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Topics: Ducts, Flow (Dynamics), Noise (Sound), Acoustics, Cavities, Junctions, Pressure, Pressure drop, Separation (Technology), Wave propagation
Proceedings Papers

An Investigation of Ultrasonic Transducer Loading on a Workpiece

Marco Zennaro, Alex Haig, Dan J. O’Boy, Stephen J. Walsh
Proc. ASME. NCAD2018, ASME 2018 Noise Control and Acoustics Division Session presented at INTERNOISE 2018, V001T08A004, August 26–29, 2018
Publisher: American Society of Mechanical Engineers
Paper No: NCAD2018-6125
https://doi.org/10.1115/NCAD2018-6125
View Paper titled, An Investigation of Ultrasonic Transducer Loading on a Workpiece
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Topics: Displacement, Finite element analysis, Frequency response, Laser Doppler vibrometers, Pipelines, Shear (Mechanics), Transducers, Ultrasonic transducers, Vibration, Waveguides
Proceedings Papers

Analysis of the Impact of Different Types of Vibration Isolation on the Dynamic Loading of Machines and the Surrounding Environment

Stanislav Ziaran, Ondrej Chlebo, Milos Musil
Proc. ASME. NCAD2018, ASME 2018 Noise Control and Acoustics Division Session presented at INTERNOISE 2018, V001T08A006, August 26–29, 2018
Publisher: American Society of Mechanical Engineers
Paper No: NCAD2018-6135
https://doi.org/10.1115/NCAD2018-6135
View Paper titled, Analysis of the Impact of Different Types of Vibration Isolation on the Dynamic Loading of Machines and the Surrounding Environment
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Topics: Dynamic testing (Materials), Machinery, Vibration isolation, Vibration, Acoustics, Air conditioning, Combustion, Engines, Heating, Noise (Sound)
Proceedings Papers

Experimental Analysis of Vibration and Radiated Sound Power Reduction Using an Array of Acoustic Black Holes

Philip A. Feurtado, Stephen C. Conlon
Proc. ASME. NCAD2015, ASME 2015 Noise Control and Acoustics Division Conference, V001T01A012, August 9–12, 2015
Publisher: American Society of Mechanical Engineers
Paper No: NCAD2015-5918
https://doi.org/10.1115/NCAD2015-5918
View Paper titled, Experimental Analysis of Vibration and Radiated Sound Power Reduction Using an Array of Acoustic Black Holes
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Topics: Acoustics, Black holes, Experimental analysis, Vibration, Damping, Design, Plates (structures), Waves, Aluminum plate, Energy dissipation
Proceedings Papers

Two-Dimensional Arbitrary Shape Acoustic Cloaks Composed of Homogeneous Parts Realized by Layered Structures

Qi Li, Jeffrey S. Vipperman
Proc. ASME. NCAD2015, ASME 2015 Noise Control and Acoustics Division Conference, V001T01A016, August 9–12, 2015
Publisher: American Society of Mechanical Engineers
Paper No: NCAD2015-5924
https://doi.org/10.1115/NCAD2015-5924
View Paper titled, Two-Dimensional Arbitrary Shape Acoustic Cloaks Composed of Homogeneous Parts Realized by Layered Structures
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Topics: Acoustics, Shapes, Anisotropy, Design, Engineering simulation, Metamaterials, Simulation, Waves
Proceedings Papers

Sound Propagation in a Sheared Flow Based on Fluctuating Total Enthalpy as Generalized Acoustic Variable

César Legendre, Gregory Lielens, Jean-Pierre Coyette
Proc. ASME. NCAD2012, ASME 2012 Noise Control and Acoustics Division Conference, 279-284, August 19–22, 2012
Publisher: American Society of Mechanical Engineers
Paper No: NCAD2012-0838
https://doi.org/10.1115/NCAD2012-0838
View Paper titled, Sound Propagation in a Sheared Flow Based on Fluctuating Total Enthalpy as Generalized Acoustic Variable
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Topics: Acoustics, Enthalpy, Flow (Dynamics), Waves, Rotational flow, Wave equations, Aircraft, Boundary-value problems, Excitation, Finite element methods
Proceedings Papers

Modeling High-Frequency Tire Tread Vibration as a Group of Traveling Bending Waves

Masao Ishihama, Takayuki Kagaya
Proc. ASME. NCAD2012, ASME 2012 Noise Control and Acoustics Division Conference, 83-91, August 19–22, 2012
Publisher: American Society of Mechanical Engineers
Paper No: NCAD2012-0282
https://doi.org/10.1115/NCAD2012-0282
View Paper titled, Modeling High-Frequency Tire Tread Vibration as a Group of Traveling Bending Waves
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Topics: Modeling, Tire tread, Vibration, Waves, Noise (Sound), Pavement, Tires, Texture (Materials), Damping, Engineers
Proceedings Papers

Characterization of the Pressure Wave Emitted From Implosion of Submerged Cylindrical Shell Structures

Michael D. Shields, Pawel Woelke, Najib N. Abboud
Proc. ASME. NCAD2012, ASME 2012 Noise Control and Acoustics Division Conference, 215-220, August 19–22, 2012
Publisher: American Society of Mechanical Engineers
Paper No: NCAD2012-0586
https://doi.org/10.1115/NCAD2012-0586
View Paper titled, Characterization of the Pressure Wave Emitted From Implosion of Submerged Cylindrical Shell Structures
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Topics: Pipes, Pressure, Waves, Shells, Buckling, Computation, Damage, Finite element analysis, Fluids, High pressure (Physics)
Proceedings Papers

Prediction of High Frequency Sonic Boom Noise Transmission Into Buildings Using a Hybrid Analytical-Ray Tracing Approach

Joseph M. Corcoran, Marcel C. Remillieux, Ricardo A. Burdisso
Proc. ASME. NCAD2012, ASME 2012 Noise Control and Acoustics Division Conference, 331-342, August 19–22, 2012
Publisher: American Society of Mechanical Engineers
Paper No: NCAD2012-0955
https://doi.org/10.1115/NCAD2012-0955
View Paper titled, Prediction of High Frequency Sonic Boom Noise Transmission Into Buildings Using a Hybrid Analytical-Ray Tracing Approach
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Topics: Noise (Sound), Sonic booms, Structures, Acoustics, Radiation (Physics), Vibration, Computation, Dimensions, Finite element methods, Flight
Proceedings Papers

An Extension of the Low Reduced Frequency Model for Viscothermal Acoustic Propagation Within Waveguides

Clément Sambuc, Gregory Lielens, Jean-Pierre Coyette
Proc. ASME. NCAD2012, ASME 2012 Noise Control and Acoustics Division Conference, 285-290, August 19–22, 2012
Publisher: American Society of Mechanical Engineers
Paper No: NCAD2012-0853
https://doi.org/10.1115/NCAD2012-0853
View Paper titled, An Extension of the Low Reduced Frequency Model for Viscothermal Acoustic Propagation Within Waveguides
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Topics: Acoustics, Waveguides, Fluids, Flow (Dynamics), Wave propagation, Boundary layers, Catalytic converters, Cavities, Cooling systems, Damping
Proceedings Papers

Modified Steepest-Descent Path Method in Solving Weyl Integration Representation of Vector Wave Bases

Po-Jen Shih, Meng-Cheng Ho
Proc. ASME. NCAD2012, ASME 2012 Noise Control and Acoustics Division Conference, 473-479, August 19–22, 2012
Publisher: American Society of Mechanical Engineers
Paper No: NCAD2012-1217
https://doi.org/10.1115/NCAD2012-1217
View Paper titled, Modified Steepest-Descent Path Method in Solving Weyl Integration Representation of Vector Wave Bases
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Topics: Waves, Poles (Building), Electromagnetic radiation, Electromagnetic scattering, Radiation scattering, Rayleigh waves, Scattering (Physics)
Proceedings Papers

Procedure to Estimate the In-Duct Sound Power in the High Frequency Range With Non-Plane Waves

Antti Hynninen, Mats Åbom
Proc. ASME. NCAD2012, ASME 2012 Noise Control and Acoustics Division Conference, 181-191, August 19–22, 2012
Publisher: American Society of Mechanical Engineers
Paper No: NCAD2012-0531
https://doi.org/10.1115/NCAD2012-0531
View Paper titled, Procedure to Estimate the In-Duct Sound Power in the High Frequency Range With Non-Plane Waves
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Topics: Ducts, Waves, Microphones, Acoustics, Machinery, Compressors, Computer simulation, Design, Dipoles (Electromagnetism), Engineering simulation
Proceedings Papers

Study of Wall Thickness and Material Effect on Acoustic Wave Propagation in Water-Filled Piping

Alireza Mokhtari, Vijay Chatoorgoon
Proc. ASME. NCAD2012, ASME 2012 Noise Control and Acoustics Division Conference, 421-429, August 19–22, 2012
Publisher: American Society of Mechanical Engineers
Paper No: NCAD2012-1131
https://doi.org/10.1115/NCAD2012-1131
View Paper titled, Study of Wall Thickness and Material Effect on Acoustic Wave Propagation in Water-Filled Piping
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Topics: Acoustics, Pipes, Wall thickness, Water, Wave propagation, Resonance, Piping systems, Aluminum, Flow (Dynamics), Linear wave theory
Proceedings Papers

Design of a Variable Thickness Plate to Focus Bending Waves

Noah H. Schiller, Sz-Chin Steven Lin, Randolph H. Cabell, Tony Jun Huang
Proc. ASME. NCAD2012, ASME 2012 Noise Control and Acoustics Division Conference, 537-544, August 19–22, 2012
Publisher: American Society of Mechanical Engineers
Paper No: NCAD2012-1330
https://doi.org/10.1115/NCAD2012-1330
View Paper titled, Design of a Variable Thickness Plate to Focus Bending Waves
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Topics: Design, Waves, Damping, Computer simulation, Lenses (Optics), Plates (structures), Traveling waves
Proceedings Papers

Application of the Beam-Forming Technique for Damage Detection in Composite Plate

Ernesto Monaco, Fabrizio Ricci, Leonardo Lecce, Natalino Daniele Boffa
Proc. ASME. NCAD2012, ASME 2012 Noise Control and Acoustics Division Conference, 489-495, August 19–22, 2012
Publisher: American Society of Mechanical Engineers
Paper No: NCAD2012-1261
https://doi.org/10.1115/NCAD2012-1261
View Paper titled, Application of the Beam-Forming Technique for Damage Detection in Composite Plate
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Topics: Composite materials, Damage, Sensors, Carbon reinforced plastics, Delamination, Signals, Waves, Computer simulation, Disks, Echoes
Proceedings Papers

A Method for Noise Reduction in Hydraulic Lines

James Wang, Michael Paidoussis, Luc Mongeau
Proc. ASME. NCAD2008, ASME 2008 Noise Control and Acoustics Division Conference, 261-269, July 28–30, 2008
Publisher: American Society of Mechanical Engineers
Paper No: NCAD2008-73088
https://doi.org/10.1115/NCAD2008-73088
View Paper titled, A Method for Noise Reduction in Hydraulic Lines
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Topics: Design, Dimensions, Engineering systems and industry applications, Fluid dynamics, Fluid structure interaction, Fluids, Hydraulic pumps, Materials properties, Noise (Sound), Noise control
Proceedings Papers

Study of Coupled Acoustic Wave Propagation in a Circular Metal Pipe for the Correlation Method

Ho-Wuk Kim, Sang-Kwon Lee, Min-Soo Kim
Proc. ASME. NCAD2008, ASME 2008 Noise Control and Acoustics Division Conference, 349-356, July 28–30, 2008
Publisher: American Society of Mechanical Engineers
Paper No: NCAD2008-73059
https://doi.org/10.1115/NCAD2008-73059
View Paper titled, Study of Coupled Acoustic Wave Propagation in a Circular Metal Pipe for the Correlation Method
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Topics: Acoustics, Metals, Pipes, Wave propagation, Waves, Leakage, Shells, Circular cylinders, Cylinders, Ducts
Proceedings Papers

Characterization of High Frequency Radiation From Panels Subject to Broadband Excitation

Donald Bliss, Linda Franzoni, Krista Michalis
Proc. ASME. NCAD2008, ASME 2008 Noise Control and Acoustics Division Conference, 357-361, July 28–30, 2008
Publisher: American Society of Mechanical Engineers
Paper No: NCAD2008-73063
https://doi.org/10.1115/NCAD2008-73063
View Paper titled, Characterization of High Frequency Radiation From Panels Subject to Broadband Excitation
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Topics: Excitation, Radiation (Physics), Damping, Waves, Flow (Dynamics), Mach number, Membranes, Modal analysis, Noise (Sound), Pressure
Proceedings Papers

Sound Attenuation and Prediction of Porous Media Properties in Hybrid Ducts Utilizing Spatially Periodic Area Changes

Lisa J. Burton, Donald B. Bliss, Linda P. Franzoni
Proc. ASME. NCAD2008, ASME 2008 Noise Control and Acoustics Division Conference, 363-371, July 28–30, 2008
Publisher: American Society of Mechanical Engineers
Paper No: NCAD2008-73066
https://doi.org/10.1115/NCAD2008-73066
View Paper titled, Sound Attenuation and Prediction of Porous Media Properties in Hybrid Ducts Utilizing Spatially Periodic Area Changes
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Topics: Ducts, Porous materials, Acoustics, Acoustical properties, Air flow, Density, Engines, Linings (Textiles), Shapes, Silencers
Proceedings Papers

Design of Acoustic Cloak by Transmission Line Approach

Shu Zhang, Nicholas Fang
Proc. ASME. NCAD2008, ASME 2008 Noise Control and Acoustics Division Conference, 335-338, July 28–30, 2008
Publisher: American Society of Mechanical Engineers
Paper No: NCAD2008-73053
https://doi.org/10.1115/NCAD2008-73053
View Paper titled, Design of Acoustic Cloak by Transmission Line Approach
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Topics: Acoustics, Design, Transmission lines, Anisotropy, Compressibility, Density, Noise control, Simulation, Ultrasound, Wave propagation