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Proceedings Papers

Sound Manipulation With Acoustic Metamaterials

Lucian Zigoneanu, Bogdan-Ioan Popa, Steven A. Cummer
Proc. ASME. NCAD2012, ASME 2012 Noise Control and Acoustics Division Conference, 521-528, August 19–22, 2012
Paper No: NCAD2012-1277
DOI: https://doi.org/10.1115/NCAD2012-1277
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Topics: Phononic crystals, Acoustics, Design, Black holes, Bulk modulus, Computer simulation, Density, Resonance, Wave propagation, Wavelength
Proceedings Papers

Lightweight Design Analysis Based on a Coupled Structural-Acoustic Model for Rectangular Enclosures

Yu Du, Jun Zhang, Weidong Li, Ping Hu
Proc. ASME. NCAD2012, ASME 2012 Noise Control and Acoustics Division Conference, 309-318, August 19–22, 2012
Paper No: NCAD2012-0920
DOI: https://doi.org/10.1115/NCAD2012-0920
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Topics: Acoustics, Design, Cavities, Noise (Sound), Weight (Mass), Density, Steel, Vehicles, Emissions, Energy consumption
Proceedings Papers

Numerical Evaluation of the Compact Green’s Function for the Solution of Acoustic Flows

Adrian R. G. Harwood, Iain D. J. Dupère
Proc. ASME. NCAD2012, ASME 2012 Noise Control and Acoustics Division Conference, 257-268, August 19–22, 2012
Paper No: NCAD2012-0785
DOI: https://doi.org/10.1115/NCAD2012-0785
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Topics: Acoustics, Flow (Dynamics), Blades, Computational fluid dynamics, Density, Ducts, Errors, Numerical analysis
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

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
Paper No: NCAD2008-73066
DOI: https://doi.org/10.1115/NCAD2008-73066
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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
Paper No: NCAD2008-73053
DOI: https://doi.org/10.1115/NCAD2008-73053
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Topics: Acoustics, Design, Transmission lines, Anisotropy, Compressibility, Density, Noise control, Simulation, Ultrasound, Wave propagation
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
Paper No: NCAD2008-73031
DOI: https://doi.org/10.1115/NCAD2008-73031
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Topics: Engines, Exhaust systems, Speed of sound, Algorithms, Combustion, Gases, Temperature, Approximation, Cloud chambers, Density