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Numerical simulation of evolution of intensive waves of the second sound in superfluid helium turbulent flow

Numerical simulation of evolution of intensive waves of the second sound in superfluid helium... Abstract Results of simulation study of evolution of solitary intensive second-sound waves spreading in superfluid helium are presented. Quantitative description was carried out on the basis of equations of hydrodynamics of superfluid turbulence (HST). HST equations with second-order accuracy (relative parameter deviation from equilibrium) were written for the cases of planar, cylindrical, and spherical geometries. The system of equations was solved using the disruption decay technique. Calculations were carried out for the temperature of undisturbed helium T 0 = 1.4 K. Simulation results were compared with experimental data. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Thermophysics and Aeromechanics Springer Journals

Numerical simulation of evolution of intensive waves of the second sound in superfluid helium turbulent flow

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Publisher
Springer Journals
Copyright
2008 Pleiades Publishing, Ltd.
ISSN
0869-8643
eISSN
1531-8699
DOI
10.1134/S0869864308020066
Publisher site
See Article on Publisher Site

Abstract

Abstract Results of simulation study of evolution of solitary intensive second-sound waves spreading in superfluid helium are presented. Quantitative description was carried out on the basis of equations of hydrodynamics of superfluid turbulence (HST). HST equations with second-order accuracy (relative parameter deviation from equilibrium) were written for the cases of planar, cylindrical, and spherical geometries. The system of equations was solved using the disruption decay technique. Calculations were carried out for the temperature of undisturbed helium T 0 = 1.4 K. Simulation results were compared with experimental data.

Journal

Thermophysics and AeromechanicsSpringer Journals

Published: Jun 1, 2008

References