Acoustic Radiation of Weakly Charged Droplets Oscillating in an External Uniform Electrostatic FieldстатьяПеревод
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Дата последнего поиска статьи во внешних источниках: 30 января 2024 г.
Аннотация:The intensity of acoustic radiation of droplets and the width of the frequency range forwhich this radiation is accounted are evaluated in asymptotic calculations of the first order of smallnesswith respect to the dimensionless oscillation amplitude and equilibrium deformation of naturalweakly charged droplets. The calculations are carried out using the ideal incompressible conductingfluid model. It is shown that acoustic radiation of fluid-droplet aerosol of natural origin, namely,clouds and fogs, is accounted for the ultrasonic frequency range, while acoustic radiation of rainoccurs over the sonic range and such radiation can be hearable. The boundary between the ultrasonicand sonic acoustic radiations with respect to the droplet radius depends on the physical characteristicsof the medium and the droplet and can be displaced both to one or another side. https://link.springer.com/article/10.1134/S0015462822050068