Precritical Thermoacoustics in Helium

Evolution of the fundamental mode of acoustic oscillations in a cavity filled with gaseous helium has been studied during immersion of this resonator into a helium transport Dewar vessel. Critical behavior of the parameter of oscillation decay has been observed on approaching the level below which t...

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Bibliographic Details
Published in:Journal of experimental and theoretical physics 2021-12, Vol.133 (6), p.786-791
Main Authors: Keshishev, K. O., Marchenko, V. I., Podolyak, E. R.
Format: Article
Language:English
Subjects:
Classical and Quantum Gravitation
Dewars
Disorder
Elementary Particles
Helium
Order
Particle and Nuclear Physics
Phase Transition in Condensed System
Physics
Physics and Astronomy
Quantum Field Theory
Relativity Theory
Solid State Physics
Thermoacoustics
Thermodynamics
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Summary:Evolution of the fundamental mode of acoustic oscillations in a cavity filled with gaseous helium has been studied during immersion of this resonator into a helium transport Dewar vessel. Critical behavior of the parameter of oscillation decay has been observed on approaching the level below which thermoacoustic instability arises.
ISSN:1063-7761
1090-6509
DOI:10.1134/S1063776121120104