Comprehensive theory of flow properties of 3He moving through superfluid 4He in capillaries

J.G.M. Kuerten; C.A.M. Castelijns; A.T.A.M. Waele, de; H.M. Gijsman

doi:10.1103/PhysRevLett.56.2288

Comprehensive theory of flow properties of 3He moving through superfluid 4He in capillaries

J.G.M. Kuerten, C.A.M. Castelijns, A.T.A.M. Waele, de, H.M. Gijsman

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Abstract

We propose a new set of hydrodynamic equations for flow of 3He through superfluid 4He. They differ from earlier work by including both a mutual friction force between 3He and 4He and a viscous force. Both the mechanical vacuum model, in which mutual friction is neglected, and an earlier model by the authors, without viscous force, are limiting cases of this new description. An experimental setup is devised in which both forces play a significant role. The results of this experiment are in agreement with the theory.

Original language	English
Pages (from-to)	2288-2290
Journal	Physical Review Letters
Volume	56
Issue number	21
DOIs	https://doi.org/10.1103/PhysRevLett.56.2288
Publication status	Published - 1986

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abstract = "We propose a new set of hydrodynamic equations for flow of 3He through superfluid 4He. They differ from earlier work by including both a mutual friction force between 3He and 4He and a viscous force. Both the mechanical vacuum model, in which mutual friction is neglected, and an earlier model by the authors, without viscous force, are limiting cases of this new description. An experimental setup is devised in which both forces play a significant role. The results of this experiment are in agreement with the theory.",

author = "J.G.M. Kuerten and C.A.M. Castelijns and {Waele, de}, A.T.A.M. and H.M. Gijsman",

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AU - Gijsman, H.M.

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AB - We propose a new set of hydrodynamic equations for flow of 3He through superfluid 4He. They differ from earlier work by including both a mutual friction force between 3He and 4He and a viscous force. Both the mechanical vacuum model, in which mutual friction is neglected, and an earlier model by the authors, without viscous force, are limiting cases of this new description. An experimental setup is devised in which both forces play a significant role. The results of this experiment are in agreement with the theory.

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Comprehensive theory of flow properties of 3He moving through superfluid 4He in capillaries

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