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Abstract
This study investigates interaction between acoustic and non-acoustic modes, such as vorticity mode,in some class of a non-newtonian fluid called Bingham plastic. The instantaneous equations describinginteraction between different modes are derived. The attention is paid to the nonlinear effects in the fieldof intense sound. The resulting equations which describe dynamics of both sound and the vorticity modeapply to both periodic and aperiodic sound of any waveform. They use only instantaneous quantities anddo not imply averaging over the sound period. The theory is illustrated by an example of acoustic force ofvorticity induced in the field of a Gaussian sound beam. Some unusual peculiarities in both sound and thevorticity induced in its field as compared to a newtonian fluid, are discovered.
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- Publication version
- Accepted or Published Version
- DOI:
- Digital Object Identifier (open in new tab) 10.2478/s11534-011-0029-0
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- Category:
- Articles
- Type:
- artykuł w czasopiśmie wyróżnionym w JCR
- Published in:
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CENTRAL EUROPEAN JOURNAL OF PHYSICS
no. 9,
pages 1135 - 1143,
ISSN: 1895-1082 - Language:
- English
- Publication year:
- 2011
- Bibliographic description:
- Perelomova A., Wojda P.: generation of the vorticity mode by sound in a bingham plastic// CENTRAL EUROPEAN JOURNAL OF PHYSICS. -Vol. 9, nr. iss. 5 (2011), s.1135-1143
- DOI:
- Digital Object Identifier (open in new tab) 10.2478/s11534-011-0029-0
- Verified by:
- Gdańsk University of Technology
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