Non-Equilibrium Thermodinamic analysis of rotating counterflow superfluidturbulence

Michele Sciacca

Non-Equilibrium Thermodinamic analysis of rotating counterflow superfluidturbulence

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Abstract

Two alternative evolution equations for the vortex line density L in counterflowsuperfluid turbulence in 4He were proposed by Vinen in 1958. Theseequations was recently generalized to counterflow superfluid turbulence inrotating containers. Here, according with the formalism of Non-EquilibriumThermodynamics, the compatibility between the alternative Vinen equationas evolution equation for the vortex line density in rotating counterflow turbulenceand the velocity of the superfluid component is studied. From thecompatibility request a new term dependent on the anisotropy of the tanglearises.

Lingua originale	English
Titolo della pubblicazione ospite	Bollettino di Matematica Pura e Applicata
Pagine	195-204
Numero di pagine	10
Stato di pubblicazione	Published - 2008

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title = "Non-Equilibrium Thermodinamic analysis of rotating counterflow superfluidturbulence",

abstract = "Two alternative evolution equations for the vortex line density L in counterflowsuperfluid turbulence in 4He were proposed by Vinen in 1958. Theseequations was recently generalized to counterflow superfluid turbulence inrotating containers. Here, according with the formalism of Non-EquilibriumThermodynamics, the compatibility between the alternative Vinen equationas evolution equation for the vortex line density in rotating counterflow turbulenceand the velocity of the superfluid component is studied. From thecompatibility request a new term dependent on the anisotropy of the tanglearises.",

keywords = "Superfluid turbulence Onsager Casimir reciprocity relation Rotating counterflow turbulence, Superfluid turbulence Onsager Casimir reciprocity relation Rotating counterflow turbulence",

author = "Michele Sciacca",

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language = "English",

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AU - Sciacca, Michele

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AB - Two alternative evolution equations for the vortex line density L in counterflowsuperfluid turbulence in 4He were proposed by Vinen in 1958. Theseequations was recently generalized to counterflow superfluid turbulence inrotating containers. Here, according with the formalism of Non-EquilibriumThermodynamics, the compatibility between the alternative Vinen equationas evolution equation for the vortex line density in rotating counterflow turbulenceand the velocity of the superfluid component is studied. From thecompatibility request a new term dependent on the anisotropy of the tanglearises.

KW - Superfluid turbulence Onsager Casimir reciprocity relation Rotating counterflow turbulence

UR - http://hdl.handle.net/10447/40902

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BT - Bollettino di Matematica Pura e Applicata

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