Non-Wave Variations in Temperature Caused by Sound in a Chemically Reacting Gas

Anna Perelomova; Weronika Pelc-Garska

doi:10.12693/aphyspola.120.455

Non-Wave Variations in Temperature Caused by Sound in a Chemically Reacting Gas

Abstract

A weakly nonlinear generation of non-acoustic modes in the field of sound in a gas is considered. An exotericchemical reaction of A->B type, which takes place in a gas, may be reversible or not. Two types of sound areconsidered, low-frequency and high-frequency as compared with the characteristic time of a chemical reaction.For both these cases, the governing equations of non-acoustic modes are derived and conclusions of the efficiencyof their nonlinear generation by sound are made. The character of nonlinear generation of non-acoustic modes bysound depends essentially on reversibility of a chemical reaction.

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DOI:: Digital Object Identifier (open in new tab) 10.12693/aphyspola.120.455
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Keywords

NONLINEAR ACOUSTIC

Details

Category:: Articles
Type:: artykuł w czasopiśmie wyróżnionym w JCR
Published in:: ACTA PHYSICA POLONICA A no. 120, pages 455 - 461,
ISSN: 0587-4246
Language:: English
Publication year:: 2011
Bibliographic description:: Perelomova A., Pelc-Garska W.: Non-Wave Variations in Temperature Caused by Sound in a Chemically Reacting Gas// ACTA PHYSICA POLONICA A. -Vol. 120, nr. No 3 (2011), s.455-461
DOI:: Digital Object Identifier (open in new tab) 10.12693/aphyspola.120.455
Verified by:: Gdańsk University of Technology