Effects of surface profile on a boundary-driven acoustic streaming field
Effects of surface profile on a boundary-driven acoustic streaming field
Acoustic streaming fields in two-dimensional rectangular enclosures that have structured boundaries are simulated and the effects of surface profile amplitude on a boundary-driven acoustic streaming field are numerically investigated. The standing wave fields in the enclosures are generated by excitation of a boundary and a sine-wave shaped profile on a boundary parallel to the particle oscillations is considered. This surface profile is found to have a large influence on the magnitude of both outer and inner streaming velocities. In terms of streaming pattern, it is found that the number of inner streaming vortices is dependent on the wavelength of profile while this profile has a less significant effect on the outer vortex pattern.
1984-1988
Lei, Junjun
7b48b212-a721-4eca-b866-ff4fdad219e2
Hill, Martyn
0cda65c8-a70f-476f-b126-d2c4460a253e
Glynne-Jones, Peter
6ca3fcbc-14db-4af9-83e2-cf7c8b91ef0d
Lei, Junjun
7b48b212-a721-4eca-b866-ff4fdad219e2
Hill, Martyn
0cda65c8-a70f-476f-b126-d2c4460a253e
Glynne-Jones, Peter
6ca3fcbc-14db-4af9-83e2-cf7c8b91ef0d
Lei, Junjun, Hill, Martyn and Glynne-Jones, Peter
(2014)
Effects of surface profile on a boundary-driven acoustic streaming field.
In 21st International Congress on Sound and Vibration 2014, ICSV 2014.
vol. 3,
.
Record type:
Conference or Workshop Item
(Paper)
Abstract
Acoustic streaming fields in two-dimensional rectangular enclosures that have structured boundaries are simulated and the effects of surface profile amplitude on a boundary-driven acoustic streaming field are numerically investigated. The standing wave fields in the enclosures are generated by excitation of a boundary and a sine-wave shaped profile on a boundary parallel to the particle oscillations is considered. This surface profile is found to have a large influence on the magnitude of both outer and inner streaming velocities. In terms of streaming pattern, it is found that the number of inner streaming vortices is dependent on the wavelength of profile while this profile has a less significant effect on the outer vortex pattern.
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e-pub ahead of print date: July 2014
Venue - Dates:
The 21st International Congress on Sound and Vibration (ICSV21), Beijing, China, 2014-07-13 - 2014-07-17
Organisations:
Mechatronics
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Local EPrints ID: 395437
URI: http://eprints.soton.ac.uk/id/eprint/395437
PURE UUID: 2d2a42bb-e040-4b80-b63c-dbcae4bef1ce
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Date deposited: 31 May 2016 15:35
Last modified: 16 Mar 2024 03:10
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Author:
Junjun Lei
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