Superfluid Helium in Three-Dimensional Counterflow Differs Strongly from Classical Flows : Anisotropy on Small Scales

Show full item record



Permalink

http://hdl.handle.net/10138/300960

Citation

Biferale , L , Khomenko , D , L'vov , V , Pomyalov , A & Sahoo , G 2019 , ' Superfluid Helium in Three-Dimensional Counterflow Differs Strongly from Classical Flows : Anisotropy on Small Scales ' , Physical Review Letters , vol. 122 , no. 14 , 144501 . https://doi.org/10.1103/PhysRevLett.122.144501

Title: Superfluid Helium in Three-Dimensional Counterflow Differs Strongly from Classical Flows : Anisotropy on Small Scales
Author: Biferale, L.; Khomenko, D.; L'vov, V.; Pomyalov, A.; Sahoo, G.
Contributor: University of Helsinki, Department of Mathematics and Statistics
Date: 2019-04-08
Language: eng
Number of pages: 6
Belongs to series: Physical Review Letters
ISSN: 0031-9007
URI: http://hdl.handle.net/10138/300960
Abstract: Three-dimensional anisotropic turbulence in classical fluids tends towards isotropy and homogeneity with decreasing scales, allowing-eventually-the abstract model of homogeneous and isotropic turbulence to be relevant. We show here that the opposite is true for superfluid He-4 turbulence in three-dimensional counterflow channel geometry. This flow becomes less isotropic upon decreasing scales, becoming eventually quasi-two-dimensional. The physical reason for this unusual phenomenon is elucidated and supported by theory and simulations.
Subject: 111 Mathematics
LIQUID-HELIUM
2ND SOUND
TURBULENCE
SPECTRA
Rights:


Files in this item

Total number of downloads: Loading...

Files Size Format View
PhysRevLett.122.144501_1.pdf 414.0Kb PDF View/Open

This item appears in the following Collection(s)

Show full item record