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Abstract
Thermal self-action of acoustic beam in a molecular gas with excited internal degrees of molecules’ freedom, is studied. This kind of thermal self-action differs from that in a Newtonian fluid. Heating or cooling of a medium takes place due to transfer of internal vibrational energy. Equilibrium and non-equilibrium gases, which may be acoustically active, are considered. A beam in an acoustically active gas is self-focusing unlike a beam in a standard viscous gas. The self-action effects relating to wave beams containing shock fronts, are discussed. Stationary and non-stationary kinds of self-action are considered.
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- Accepted or Published Version
- DOI:
- Digital Object Identifier (open in new tab) 10.1016/j.apm.2014.04.055
- License
- Copyright (2014 Elsevier Inc.)
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- Category:
- Articles
- Type:
- artykuł w czasopiśmie wyróżnionym w JCR
- Published in:
-
APPLIED MATHEMATICAL MODELLING
no. 38,
edition 23,
pages 5684 - 5691,
ISSN: 0307-904X - Language:
- English
- Publication year:
- 2014
- Bibliographic description:
- Perelomova A.: Thermal self-action effects of acoustic beam in a vibrationally relaxing gas// APPLIED MATHEMATICAL MODELLING. -Vol. 38, iss. 23 (2014), s.5684-5691
- DOI:
- Digital Object Identifier (open in new tab) 10.1016/j.apm.2014.04.055
- Verified by:
- Gdańsk University of Technology
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