Excitation of Non-Wave Modes by Sound of Arbitrary Frequency in a Chemically Reacting Gas - Publikacja - MOST Wiedzy

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Excitation of Non-Wave Modes by Sound of Arbitrary Frequency in a Chemically Reacting Gas

Abstrakt

The nonlinear phenomena in the field of high intensity sound propagating in a gas with a chemical reaction, are considered. A chemical reaction of A → B type is followed by dispersion and attenuation of sound which may be atypical during irreversible thermodynamic processes under some conditions. The first and second order derivatives of heat produced in the chemical reaction evaluated at the equilibrium temperature, density and mass fraction of reagent A, are taken into account. The instantaneous equations are derived which govern dynamics of perturbations in non-acoustic modes, and conclusions of the efficiency of their nonlinear excitation by sound are drawn. The advantage of this study is accurate description of dispersion. Acoustic perturbations of any characteristic duration as compared to the duration of chemical reaction are considered, along with periodic, aperiodic perturbations and impulses. The conclusions concern also acoustically active gases.

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Licencja

Copyright (2019 Hirzel Verlag)

Informacje szczegółowe

Kategoria:
Publikacja w czasopiśmie
Typ:
artykuły w czasopismach
Opublikowano w:
ACTA ACUSTICA UNITED WITH ACUSTICA nr 105, strony 918 - 927,
ISSN: 1610-1928
Język:
angielski
Rok wydania:
2019
Opis bibliograficzny:
Perelomova A.: Excitation of Non-Wave Modes by Sound of Arbitrary Frequency in a Chemically Reacting Gas// ACTA ACUSTICA UNITED WITH ACUSTICA -Vol. 105,iss. 6 (2019), s.918-927
DOI:
Cyfrowy identyfikator dokumentu elektronicznego (otwiera się w nowej karcie) 10.3813/aaa.919373
Weryfikacja:
Politechnika Gdańska

wyświetlono 6 razy

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