An experimental study of turbulent vortex rings in superfluid 4He
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DOI: 10.1017/jfm.2020.96
Abstract: Macroscopic vortex rings are generated thermally in superfluid 4He, between 1.28 and 1.95 K, by applying a brief voltage pulse to a resistive heater located below a circular vertical tube 5 mm in diameter and… read more here.
Keywords: experimental study; turbulent vortex; study turbulent; superfluid 4he ... See more keywords
Study of the Peak Frequency in Turbulent Vortex Ring Noise
Sign Up to like & getrecommendations! Published in 2019 at "Acoustical Physics"
DOI: 10.1134/s1063771019030035
Abstract: The aeroacoustic characteristics of vortex rings of different sizes have been studied using multimicrophone methods. The experiment recorded the acoustic emission upon initiation of a vortex ring and its movement along a trajectory. In order… read more here.
Keywords: frequency; different sizes; vortex ring; vortex ... See more keywords