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  1. 1 Acta Physica Polonica A

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  1. 1 2011

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  1. 1 Pelc-Garska W.

  2. 1 Perelomova A.

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

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Perelomova A., Pelc-Garska W.
Acta Physica Polonica A
|
2011
|
vol. 120
|
issue 3
455-461
EN
A weakly nonlinear generation of non-acoustic modes in the field of sound in a gas is considered. An exoteric chemical reaction of A → B type, which takes place in a gas, may be reversible or not. Two types of sound are considered, 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 efficiency of their nonlinear generation by sound are made. The character of nonlinear generation of non-acoustic modes by sound depends essentially on reversibility of a chemical reaction.
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