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Proceedings Papers

The Role of Castellations on Pipe Jet Noise

R. Anureka, K. Srinivasan
Proc. ASME. NCAD2018, ASME 2018 Noise Control and Acoustics Division Session presented at INTERNOISE 2018, V001T05A001, August 26–29, 2018
Publisher: American Society of Mechanical Engineers
Paper No: NCAD2018-6129
https://doi.org/10.1115/NCAD2018-6129
View Paper titled, The Role of Castellations on Pipe Jet Noise
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Topics: Noise (Sound), Pipes, Nozzles, Pressure, Acoustics, Jets, Noise control, Sound pressure, Visualization, Vortices
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

Understanding Tire Acoustics Through Computational Fluid Dynamics (CFD) of Grooves With Deforming Walls

Prashanta Gautam, Abhilash J. Chandy
Proc. ASME. NCAD2015, ASME 2015 Noise Control and Acoustics Division Conference, V001T01A011, August 9–12, 2015
Publisher: American Society of Mechanical Engineers
Paper No: NCAD2015-5917
https://doi.org/10.1115/NCAD2015-5917
View Paper titled, Understanding Tire Acoustics Through Computational Fluid Dynamics (CFD) of Grooves With Deforming Walls
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Topics: Acoustics, Computational fluid dynamics, Tires, Noise (Sound), Deformation, Engineering simulation, Fluctuations (Physics), Large eddy simulation, Modeling, Navier-Stokes equations
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

An Analytical–Numerical Aerodynamic Formulation for Efficient Aeroacoustics Analysis of Rotorcraft

Massimo Gennaretti, Claudio Testa, Giovanni Bernardini, Alessandro Anobile
Proc. ASME. NCAD2012, ASME 2012 Noise Control and Acoustics Division Conference, 369-380, August 19–22, 2012
Publisher: American Society of Mechanical Engineers
Paper No: NCAD2012-1081
https://doi.org/10.1115/NCAD2012-1081
View Paper titled, An Analytical–Numerical Aerodynamic Formulation for Efficient Aeroacoustics Analysis of Rotorcraft
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Topics: Acoustics, Aerodynamic noise, Airfoils, Blades, Design, Inflow, Noise (Sound), Optimization, Pressure, Propellers
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

Experimental Characterization of a Car Window Excited by Turbulent Flow Using Scanning Sound Intensity Techniques

Daniel Fernandez Comesaña, Eduardo Latorre Iglesias, Malcolm Smith, Hans-Elias de Bree
Proc. ASME. NCAD2012, ASME 2012 Noise Control and Acoustics Division Conference, 269-277, August 19–22, 2012
Publisher: American Society of Mechanical Engineers
Paper No: NCAD2012-0812
https://doi.org/10.1115/NCAD2012-0812
View Paper titled, Experimental Characterization of a Car Window Excited by Turbulent Flow Using Scanning Sound Intensity Techniques
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Topics: Acoustic intensity, Experimental characterization, Turbulence, Flow (Dynamics), Mirrors, Particulate matter, Wings, Accelerometers, Aerodynamic noise, Automotive industry
Proceedings Papers

Virtual Sensing in Local Active Suppression on Pressure Fluctuations for Controlling Flow-Induced Vibration in Hard Disk Drives

Hequn Min, Xiaoyang Huang, Qide Zhang
Proc. ASME. NCAD2012, ASME 2012 Noise Control and Acoustics Division Conference, 583-592, August 19–22, 2012
Publisher: American Society of Mechanical Engineers
Paper No: NCAD2012-1403
https://doi.org/10.1115/NCAD2012-1403
View Paper titled, Virtual Sensing in Local Active Suppression on Pressure Fluctuations for Controlling Flow-Induced Vibration in Hard Disk Drives
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Topics: Disks, Flow-induced vibrations, Fluctuations (Physics), Pressure, Feedback, Signals, Vibration, Horizontal directional drilling, Sensors, Actuators
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

Wall Pressure Phase Velocity Measurements in a Turbulent Boundary Layer

Teresa S. Miller, Mark J. Moeller
Proc. ASME. NCAD2012, ASME 2012 Noise Control and Acoustics Division Conference, 61-69, August 19–22, 2012
Publisher: American Society of Mechanical Engineers
Paper No: NCAD2012-0195
https://doi.org/10.1115/NCAD2012-0195
View Paper titled, Wall Pressure Phase Velocity Measurements in a Turbulent Boundary Layer
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Topics: Boundary layer turbulence, Pressure, Velocity measurement, Noise (Sound), Convection, Turbulence, Aircraft, Automobiles, Boundary layers, Delays
Proceedings Papers

Sound Radiation From a Propeller in a Submerged Rib-Stiffened Duct

Wenlong Zhang, Hafiz M. Atassi
Proc. ASME. NCAD2008, ASME 2008 Noise Control and Acoustics Division Conference, 31-42, July 28–30, 2008
Publisher: American Society of Mechanical Engineers
Paper No: NCAD2008-73019
https://doi.org/10.1115/NCAD2008-73019
View Paper titled, Sound Radiation From a Propeller in a Submerged Rib-Stiffened Duct
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Topics: Ducts, Propellers, Sound, Dipoles (Electromagnetism), Acoustics, Blades, Dispersion relations, Flow (Dynamics), Radiation (Physics), Bending (Stress)
Proceedings Papers

Model Calculations of Wind Noise Measured in a Flat Surface Under Turbulent Flow

Jiao Yu, Richard Raspet, Jeremy Webster, Kevin Dillion
Proc. ASME. NCAD2008, ASME 2008 Noise Control and Acoustics Division Conference, 101-110, July 28–30, 2008
Publisher: American Society of Mechanical Engineers
Paper No: NCAD2008-73044
https://doi.org/10.1115/NCAD2008-73044
View Paper titled, Model Calculations of Wind Noise Measured in a Flat Surface Under Turbulent Flow
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Topics: Noise (Sound), Turbulence, Wind, Pressure, Fluctuations (Physics), Flow (Dynamics), Microphones, Wind velocity, Acoustics, Army
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

Trailing Edge Noise From Blunt and Sharp Edge Geometries

Daniel W. Shannon, Scott C. Morris, William K. Blake
Proc. ASME. NCAD2008, ASME 2008 Noise Control and Acoustics Division Conference, 111-118, July 28–30, 2008
Publisher: American Society of Mechanical Engineers
Paper No: NCAD2008-73052
https://doi.org/10.1115/NCAD2008-73052
View Paper titled, Trailing Edge Noise From Blunt and Sharp Edge Geometries
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Topics: Noise (Sound), Boundary layer turbulence, Boundary layers, Geometry, Pressure, Flat plates, Flow (Dynamics), Microphone arrays, Scattering theory, Separation (Technology)
Proceedings Papers

Near Field Aeroacoustic Experimental Investigation in Low Speed Axial Fans

Stefano Bianchi, Alessandro Corsini, Franco Rispoli, Anthony G. Sheard
Proc. ASME. NCAD2008, ASME 2008 Noise Control and Acoustics Division Conference, 91-100, July 28–30, 2008
Publisher: American Society of Mechanical Engineers
Paper No: NCAD2008-73039
https://doi.org/10.1115/NCAD2008-73039
View Paper titled, Near Field Aeroacoustic Experimental Investigation in Low Speed Axial Fans
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Topics: Acoustics, Anechoic chambers, Blades, Chords (Trusses), Clearances (Engineering), Computer simulation, Databases, Fans, Flow (Dynamics), Impellers
Proceedings Papers

Calculating the Speed of Sound in an Engine Exhaust Stream

Justin D. Keske, Jason R. Blough
Proc. ASME. NCAD2008, ASME 2008 Noise Control and Acoustics Division Conference, 69-77, July 28–30, 2008
Publisher: American Society of Mechanical Engineers
Paper No: NCAD2008-73031
https://doi.org/10.1115/NCAD2008-73031
View Paper titled, Calculating the Speed of Sound in an Engine Exhaust Stream
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Topics: Engines, Exhaust systems, Speed of sound, Algorithms, Combustion, Gases, Temperature, Approximation, Cloud chambers, Density