On the saturation of astrophysical dynamos: Numerical experiments with the no-cosines flow

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On the saturation of astrophysical dynamos : Numerical experiments with the no-cosines flow. / Dorch, Bertil; Archontis, Vasilis.

In: Solar Physics, Vol. 224, No. 1-2, 2004, p. 171-178.

Research output: Contribution to journal › Journal article › Research › peer-review

Harvard

Dorch, B & Archontis, V 2004, 'On the saturation of astrophysical dynamos: Numerical experiments with the no-cosines flow', Solar Physics, vol. 224, no. 1-2, pp. 171-178. https://doi.org/10.1007/s11207-005-5700-4

APA

Dorch, B., & Archontis, V. (2004). On the saturation of astrophysical dynamos: Numerical experiments with the no-cosines flow. Solar Physics, 224(1-2), 171-178. https://doi.org/10.1007/s11207-005-5700-4

Vancouver

Dorch B, Archontis V. On the saturation of astrophysical dynamos: Numerical experiments with the no-cosines flow. Solar Physics. 2004;224(1-2):171-178. https://doi.org/10.1007/s11207-005-5700-4

Author

Dorch, Bertil ; Archontis, Vasilis. / On the saturation of astrophysical dynamos : Numerical experiments with the no-cosines flow. In: Solar Physics. 2004 ; Vol. 224, No. 1-2. pp. 171-178.

Bibtex

@article{1ae6757074c211dbbee902004c4f4f50,
title = "On the saturation of astrophysical dynamos: Numerical experiments with the no-cosines flow",
abstract = "In the context of astrophysical dynamos we illustrate that the no-cosines flow, with zero mean helicity, can drive fast dynamo action and we study the dynamo's mode of operation during both the linear and non-linear saturation regimes. It turns out that in addition to a high growth rate in the linear regime, the dynamo saturates at a level significantly higher than normal turbulent dynamos, namely at exact equipartition when the magnetic Prandtl number Prm~ 1. Visualization of the magnetic and velocity fields at saturation will help us to understand some of the aspects of the non-linear dynamo problem. Udgivelsesdato: 2 May",
author = "Bertil Dorch and Vasilis Archontis",
year = "2004",
doi = "10.1007/s11207-005-5700-4",
language = "English",
volume = "224",
pages = "171--178",
journal = "Solar Physics",
issn = "0038-0938",
publisher = "Springer",
number = "1-2",

}

RIS

TY - JOUR

T1 - On the saturation of astrophysical dynamos

T2 - Numerical experiments with the no-cosines flow

AU - Dorch, Bertil

AU - Archontis, Vasilis

PY - 2004

Y1 - 2004

N2 - In the context of astrophysical dynamos we illustrate that the no-cosines flow, with zero mean helicity, can drive fast dynamo action and we study the dynamo's mode of operation during both the linear and non-linear saturation regimes. It turns out that in addition to a high growth rate in the linear regime, the dynamo saturates at a level significantly higher than normal turbulent dynamos, namely at exact equipartition when the magnetic Prandtl number Prm~ 1. Visualization of the magnetic and velocity fields at saturation will help us to understand some of the aspects of the non-linear dynamo problem. Udgivelsesdato: 2 May

AB - In the context of astrophysical dynamos we illustrate that the no-cosines flow, with zero mean helicity, can drive fast dynamo action and we study the dynamo's mode of operation during both the linear and non-linear saturation regimes. It turns out that in addition to a high growth rate in the linear regime, the dynamo saturates at a level significantly higher than normal turbulent dynamos, namely at exact equipartition when the magnetic Prandtl number Prm~ 1. Visualization of the magnetic and velocity fields at saturation will help us to understand some of the aspects of the non-linear dynamo problem. Udgivelsesdato: 2 May

U2 - 10.1007/s11207-005-5700-4

DO - 10.1007/s11207-005-5700-4

M3 - Journal article

VL - 224

SP - 171

EP - 178

JO - Solar Physics

JF - Solar Physics

SN - 0038-0938

IS - 1-2

ER -

ID: 69266