Standing Waves and Acoustic Heating (or Cooling) in Resonators Filled with Chemically Reacting Gas

Standing waves and acoustic heating in a one-dimensional resonator filled with chemically reacting gas, is the subject of investigation. The chemical reaction of type, which takes place in a gas, may be reversible or not. Governing equations for the sound and entropy mode which is generated in the f...

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Published inArchives of acoustics Vol. 39; no. 3; pp. 403 - 410
Main Authors Perelomova, Anna, Pelc-Garska, Weronika
Format Journal Article
LanguageEnglish
Published Warsaw De Gruyter Open 01.03.2015
Polish Academy of Sciences
Institute of Fundamental Technological Research Polish Academy of Sciences
Subjects
acoustic resonator
Acoustics
Chemical reactions
Cooling
Heating
non-equilibrium media
Nonlinear dynamics
Resonators
Sound propagation
Sound waves
standing wave
Standing waves
Wave propagation
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Summary:Standing waves and acoustic heating in a one-dimensional resonator filled with chemically reacting gas, is the subject of investigation. The chemical reaction of type, which takes place in a gas, may be reversible or not. Governing equations for the sound and entropy mode which is generated in the field of sound are derived by use of a special mathematical method. Under some conditions, sound waves propagating in opposite directions do not interact. The character of nonlinear dynamics of the sound and relative acoustic heating or cooling depends on reversibility of a chemical reaction. Some examples of acoustic heating in a resonator are illustrated and discussed.
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ISSN:2300-262X
0137-5075
2300-262X
DOI:10.2478/aoa-2014-0044