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Proceedings Papers

Review of Causes and Mitigation of Cavity Noise in Machinery and Other Mechanisms

Proc. ASME. NCAD2018, ASME 2018 Noise Control and Acoustics Division Session presented at INTERNOISE 2018, V001T06A001, August 26–29, 2018

Paper No: NCAD2018-6102

DOI: https://doi.org/10.1115/NCAD2018-6102

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Topics: Cavities, Machinery, Noise (Sound), Flow (Dynamics), Acoustics, Disks, Excitation, Blades, Valves, Compressors

Proceedings Papers

Analysis of Acoustic Radiation Characteristics of an Infinitely Long Half-Filled Cylindrical Shell

Shuai Zhang, Tianyun Li, Xiang Zhu, Wenjie Guo

Proc. ASME. NCAD2018, ASME 2018 Noise Control and Acoustics Division Session presented at INTERNOISE 2018, V001T01A011, August 26–29, 2018

Paper No: NCAD2018-6139

DOI: https://doi.org/10.1115/NCAD2018-6139

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Topics: Acoustics, Pipes, Radiation (Physics), Fluids, Displacement, Vibration, Numerical analysis, Stress, Boundary-value problems, Computer software

Proceedings Papers

Sound Power Measurements in the Near Field of Transformers

Michael Ertl, Hermann Landes

Proc. ASME. NCAD2012, ASME 2012 Noise Control and Acoustics Division Conference, 431-440, August 19–22, 2012

Paper No: NCAD2012-1170

DOI: https://doi.org/10.1115/NCAD2012-1170

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Topics: Acoustic intensity, Engineering standards, Finite element methods, Finite element model, Fluids, Numerical analysis, Sound pressure, Standing waves

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

Paper No: NCAD2012-0586

DOI: https://doi.org/10.1115/NCAD2012-0586

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Topics: Pipes, Pressure, Waves, Shells, Buckling, Computation, Damage, Finite element analysis, Fluids, High pressure (Physics)

Proceedings Papers

Determination of Volume Fractions in a Two-Phase Flows From Sound Speed Measurement

Anirban Chaudhuri, Curtis F. Osterhoudt, Dipen N. Sinha

Proc. ASME. NCAD2012, ASME 2012 Noise Control and Acoustics Division Conference, 559-567, August 19–22, 2012

Paper No: NCAD2012-1381

DOI: https://doi.org/10.1115/NCAD2012-1381

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Topics: Two-phase flow, Fluids, Algorithms, Temperature, Composite materials, Water, Crude oil, Density, Emulsions, Oil fields

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

Paper No: NCAD2012-0853

DOI: https://doi.org/10.1115/NCAD2012-0853

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Topics: Acoustics, Waveguides, Fluids, Flow (Dynamics), Wave propagation, Boundary layers, Catalytic converters, Cavities, Cooling systems, Damping

Proceedings Papers

Numerical Analysis of Active Vibro-Acoustic Control in an Enclosed Cavity

Wael Elwali, Mingfeng Li, Teik C. Lim

Proc. ASME. NCAD2012, ASME 2012 Noise Control and Acoustics Division Conference, 53-59, August 19–22, 2012

Paper No: NCAD2012-0188

DOI: https://doi.org/10.1115/NCAD2012-0188

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Topics: Acoustics, Cavities, Numerical analysis, Noise (Sound), Vibration, Computer simulation, Fluids, Noise control, Transfer functions

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

Paper No: NCAD2012-0531

DOI: https://doi.org/10.1115/NCAD2012-0531

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Topics: Ducts, Waves, Microphones, Acoustics, Machinery, Compressors, Computer simulation, Design, Dipoles (Electromagnetism), Engineering simulation

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

Paper No: NCAD2008-73088

DOI: https://doi.org/10.1115/NCAD2008-73088

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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

Paper No: NCAD2008-73059

DOI: https://doi.org/10.1115/NCAD2008-73059

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Topics: Acoustics, Metals, Pipes, Wave propagation, Waves, Leakage, Shells, Circular cylinders, Cylinders, Ducts

Proceedings Papers

Efficient Finite-Element Modeling With Equivalent-Fluid Porous Materials

Jeffrey L. Cipolla, Ron Gerdes, Ram Dravida

Proc. ASME. NCAD2008, ASME 2008 Noise Control and Acoustics Division Conference, 383-388, July 28–30, 2008

Paper No: NCAD2008-73070

DOI: https://doi.org/10.1115/NCAD2008-73070

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Topics: Finite element analysis, Fluids, Modeling, Porous materials, Acoustics, Aerospace industry, Damping, Engineering systems and industry applications, Insulation, Materials properties

Proceedings Papers

The Influence of Flow Instability on the Lock-In of Distributed Elastic Resonators

Kristin Lai-Fook Cody, Stephen A. Hambric, Martin L. Pollack, Michael L. Jonson

Proc. ASME. NCAD2008, ASME 2008 Noise Control and Acoustics Division Conference, 17-29, July 28–30, 2008

Paper No: NCAD2008-73016

DOI: https://doi.org/10.1115/NCAD2008-73016

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Topics: Flow instability, Locks (Waterways), Cavities, Fluids, Damping, Flow (Dynamics), Oscillations, Shear (Mechanics), Acoustics, Control theory

Proceedings Papers

Computing Resonant Frequencies and Coupled Mode-Shapes of Structural-Acoustic Systems Using the Finite Element Method

Rui M. Botelho

Proc. ASME. NCAD2008, ASME 2008 Noise Control and Acoustics Division Conference, 281-294, July 28–30, 2008

Paper No: NCAD2008-73017

DOI: https://doi.org/10.1115/NCAD2008-73017

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Topics: Acoustics, Finite element methods, Mode shapes, Resonance, Finite element analysis, Fluids, Boundary-value problems, Damping, Radiation (Physics), Space

Proceedings Papers

The Effect of Flow Coefficient on the Self Noise Generated by a Ducted Rotor

David B. Stephens, Scott C. Morris, William K. Blake

Proc. ASME. NCAD2008, ASME 2008 Noise Control and Acoustics Division Conference, 59-67, July 28–30, 2008

Paper No: NCAD2008-73029

DOI: https://doi.org/10.1115/NCAD2008-73029

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Topics: Flow (Dynamics), Noise (Sound), Rotors, Blades, Wire, Fluids, Inflow, Mach number, Turbomachinery, Turbulence

NARROW

Review of Causes and Mitigation of Cavity Noise in Machinery and Other Mechanisms

Analysis of Acoustic Radiation Characteristics of an Infinitely Long Half-Filled Cylindrical Shell

Sound Power Measurements in the Near Field of Transformers

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

Determination of Volume Fractions in a Two-Phase Flows From Sound Speed Measurement

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

Numerical Analysis of Active Vibro-Acoustic Control in an Enclosed Cavity

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

A Method for Noise Reduction in Hydraulic Lines

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

Efficient Finite-Element Modeling With Equivalent-Fluid Porous Materials

The Influence of Flow Instability on the Lock-In of Distributed Elastic Resonators

Computing Resonant Frequencies and Coupled Mode-Shapes of Structural-Acoustic Systems Using the Finite Element Method

The Effect of Flow Coefficient on the Self Noise Generated by a Ducted Rotor

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