Conference proceeding
Un-shocked High Amplitude Standing Waves in Wave-shaped Resonators
INTERNATIONAL MECHANICAL ENGINEERING CONGRESS AND EXPOSITION - 2012, VOL 12
01 Jan 2013
Featured in Collection : UN Sustainable Development Goals @ Drexel
Abstract
A numerical study of non-linear, high amplitude standing waves in non-cylindrical circular resonators is reported here. These waves are shock-less and can generate peak acoustic overpressures that can exceed the ambient pressure by three/four times its nominal value. A high fidelity compressible computational fluid dynamic model is used to simulate the phenomena in cylindrical and arbitrarily shaped axisymmetric resonators. A right circular cylinder and frustum of cone are the two geometries studied. The model is validated using past numerical and experimental results of standing waves in cylindrical resonators. The non-linear nature of the harmonic response of the frustum of cone resonator system is investigated for two different working fluids (carbon dioxide and argon) operating at various values of piston amplitude. The high amplitude non-linear oscillations demonstrated can be used as a. prime mover in a variety of applications including thermoacoustic cryo cooling.
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Details
- Title
- Un-shocked High Amplitude Standing Waves in Wave-shaped Resonators
- Creators
- Dion Savio Antao - Drexel Univ, Dept Mech Engn & Mech, Philadelphia, PA 19104 USABakhtier Farouk - Drexel UniversityASME
- Publication Details
- INTERNATIONAL MECHANICAL ENGINEERING CONGRESS AND EXPOSITION - 2012, VOL 12
- Conference
- INTERNATIONAL MECHANICAL ENGINEERING CONGRESS AND EXPOSITION - 2012
- Publisher
- Amer Soc Mechanical Engineers
- Number of pages
- 10
- Resource Type
- Conference proceeding
- Language
- English
- Academic Unit
- Mechanical Engineering and Mechanics
- Identifiers
- 991019170467604721
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- Web of Science research areas
- Engineering, Mechanical