Numerical calculation of the interaction of superfluid vortices and a rigid sphere

Demosthenes Kivotides; Carlo F. Barenghi; Yuri A. Sergeev

doi:10.1007/s10909-006-9253-1

Numerical calculation of the interaction of superfluid vortices and a rigid sphere

Demosthenes Kivotides^*, Carlo F. Barenghi, Yuri A. Sergeev

^*Corresponding author for this work

Chemical And Process Engineering

Research output: Contribution to journal › Article › peer-review

12 Citations (Scopus)

Abstract

We implement a method for the calculation of the effects of a solid sphere on the dynamics of superfluid vortices. We present in detail the derivation of the mathematical formulae used in a computational algorithm which avoids numerical singularities, as well as an adaptive algorithm for convergence tests and diagnostics of the method's accuracy.

Original language	English
Pages (from-to)	121-134
Number of pages	14
Journal	Journal of Low Temperature Physics
Volume	144
Issue number	4
DOIs	https://doi.org/10.1007/s10909-006-9253-1
Publication status	Published - 30 Sept 2006

Keywords

flow visualization
multiphase superfluid flow
numerical calculations
particle image velocimetry
superfluids
vortex-structure interaction

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10.1007/s10909-006-9253-1

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abstract = "We implement a method for the calculation of the effects of a solid sphere on the dynamics of superfluid vortices. We present in detail the derivation of the mathematical formulae used in a computational algorithm which avoids numerical singularities, as well as an adaptive algorithm for convergence tests and diagnostics of the method's accuracy. ",

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AU - Kivotides, Demosthenes

AU - Barenghi, Carlo F.

AU - Sergeev, Yuri A.

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N2 - We implement a method for the calculation of the effects of a solid sphere on the dynamics of superfluid vortices. We present in detail the derivation of the mathematical formulae used in a computational algorithm which avoids numerical singularities, as well as an adaptive algorithm for convergence tests and diagnostics of the method's accuracy.

AB - We implement a method for the calculation of the effects of a solid sphere on the dynamics of superfluid vortices. We present in detail the derivation of the mathematical formulae used in a computational algorithm which avoids numerical singularities, as well as an adaptive algorithm for convergence tests and diagnostics of the method's accuracy.

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KW - multiphase superfluid flow

KW - numerical calculations

KW - particle image velocimetry

KW - superfluids

KW - vortex-structure interaction

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Numerical calculation of the interaction of superfluid vortices and a rigid sphere

Abstract

Keywords

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