Phase mixing of standing Alfvén waves with shear flows in solar spicules
Abstract Alfvénic waves are thought to play an important role in coronal heating and solar wind acceleration. Here we investigate the dissipation of such waves due to phase mixing at the presence of shear flow and field in the stratified atmosphere of solar spicules. The initial flow is assumed to b...
Ausführliche Beschreibung
Gespeichert in:
| Autor*in: |
Ebadi, H. [verfasserIn] |
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| Format: |
Artikel |
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| Sprache: |
Englisch |
| Erschienen: |
2012 |
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| Schlagwörter: |
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| Anmerkung: |
© Springer Science+Business Media B.V. 2012 |
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| Übergeordnetes Werk: |
Enthalten in: Astrophysics and space science - Springer Netherlands, 1968, 343(2012), 1 vom: 21. Sept., Seite 11-17 |
|---|---|
| Übergeordnetes Werk: |
volume:343 ; year:2012 ; number:1 ; day:21 ; month:09 ; pages:11-17 |
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| DOI / URN: |
10.1007/s10509-012-1241-0 |
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OLC206626802X |
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| 245 | 1 | 0 | |a Phase mixing of standing Alfvén waves with shear flows in solar spicules |
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| 520 | |a Abstract Alfvénic waves are thought to play an important role in coronal heating and solar wind acceleration. Here we investigate the dissipation of such waves due to phase mixing at the presence of shear flow and field in the stratified atmosphere of solar spicules. The initial flow is assumed to be directed along spicule axis and to vary linearly in the x direction and the equilibrium magnetic field is taken 2-dimensional and divergence-free. It is determined that the shear flow and field can fasten the damping of standing Alfvén waves. In spite of propagating Alfvén waves, standing Alfvén waves in Solar spicules dissipate in a few periods. As height increases, the perturbed velocity amplitude does increase in contrast to the behavior of perturbed magnetic field. Moreover, it should be emphasized that the stratification due to gravity, shear flow and field are the facts that should be considered in MHD models in spicules. | ||
| 650 | 4 | |a Sun: spicules | |
| 650 | 4 | |a Alfvén waves | |
| 650 | 4 | |a Phase mixing | |
| 650 | 4 | |a Shear flow | |
| 650 | 4 | |a Shear field | |
| 700 | 1 | |a Hosseinpour, M. |4 aut | |
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10.1007/s10509-012-1241-0 doi (DE-627)OLC206626802X (DE-He213)s10509-012-1241-0-p DE-627 ger DE-627 rakwb eng 520 530 620 VZ 16,12 ssgn Ebadi, H. verfasserin aut Phase mixing of standing Alfvén waves with shear flows in solar spicules 2012 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier © Springer Science+Business Media B.V. 2012 Abstract Alfvénic waves are thought to play an important role in coronal heating and solar wind acceleration. Here we investigate the dissipation of such waves due to phase mixing at the presence of shear flow and field in the stratified atmosphere of solar spicules. The initial flow is assumed to be directed along spicule axis and to vary linearly in the x direction and the equilibrium magnetic field is taken 2-dimensional and divergence-free. It is determined that the shear flow and field can fasten the damping of standing Alfvén waves. In spite of propagating Alfvén waves, standing Alfvén waves in Solar spicules dissipate in a few periods. As height increases, the perturbed velocity amplitude does increase in contrast to the behavior of perturbed magnetic field. Moreover, it should be emphasized that the stratification due to gravity, shear flow and field are the facts that should be considered in MHD models in spicules. Sun: spicules Alfvén waves Phase mixing Shear flow Shear field Hosseinpour, M. aut Enthalten in Astrophysics and space science Springer Netherlands, 1968 343(2012), 1 vom: 21. Sept., Seite 11-17 (DE-627)129062723 (DE-600)629-4 (DE-576)014393522 0004-640X nnns volume:343 year:2012 number:1 day:21 month:09 pages:11-17 https://doi.org/10.1007/s10509-012-1241-0 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-TEC SSG-OLC-PHY SSG-OLC-AST SSG-OPC-AST GBV_ILN_40 GBV_ILN_47 GBV_ILN_70 GBV_ILN_2279 GBV_ILN_4012 AR 343 2012 1 21 09 11-17 |
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10.1007/s10509-012-1241-0 doi (DE-627)OLC206626802X (DE-He213)s10509-012-1241-0-p DE-627 ger DE-627 rakwb eng 520 530 620 VZ 16,12 ssgn Ebadi, H. verfasserin aut Phase mixing of standing Alfvén waves with shear flows in solar spicules 2012 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier © Springer Science+Business Media B.V. 2012 Abstract Alfvénic waves are thought to play an important role in coronal heating and solar wind acceleration. Here we investigate the dissipation of such waves due to phase mixing at the presence of shear flow and field in the stratified atmosphere of solar spicules. The initial flow is assumed to be directed along spicule axis and to vary linearly in the x direction and the equilibrium magnetic field is taken 2-dimensional and divergence-free. It is determined that the shear flow and field can fasten the damping of standing Alfvén waves. In spite of propagating Alfvén waves, standing Alfvén waves in Solar spicules dissipate in a few periods. As height increases, the perturbed velocity amplitude does increase in contrast to the behavior of perturbed magnetic field. Moreover, it should be emphasized that the stratification due to gravity, shear flow and field are the facts that should be considered in MHD models in spicules. Sun: spicules Alfvén waves Phase mixing Shear flow Shear field Hosseinpour, M. aut Enthalten in Astrophysics and space science Springer Netherlands, 1968 343(2012), 1 vom: 21. Sept., Seite 11-17 (DE-627)129062723 (DE-600)629-4 (DE-576)014393522 0004-640X nnns volume:343 year:2012 number:1 day:21 month:09 pages:11-17 https://doi.org/10.1007/s10509-012-1241-0 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-TEC SSG-OLC-PHY SSG-OLC-AST SSG-OPC-AST GBV_ILN_40 GBV_ILN_47 GBV_ILN_70 GBV_ILN_2279 GBV_ILN_4012 AR 343 2012 1 21 09 11-17 |
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10.1007/s10509-012-1241-0 doi (DE-627)OLC206626802X (DE-He213)s10509-012-1241-0-p DE-627 ger DE-627 rakwb eng 520 530 620 VZ 16,12 ssgn Ebadi, H. verfasserin aut Phase mixing of standing Alfvén waves with shear flows in solar spicules 2012 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier © Springer Science+Business Media B.V. 2012 Abstract Alfvénic waves are thought to play an important role in coronal heating and solar wind acceleration. Here we investigate the dissipation of such waves due to phase mixing at the presence of shear flow and field in the stratified atmosphere of solar spicules. The initial flow is assumed to be directed along spicule axis and to vary linearly in the x direction and the equilibrium magnetic field is taken 2-dimensional and divergence-free. It is determined that the shear flow and field can fasten the damping of standing Alfvén waves. In spite of propagating Alfvén waves, standing Alfvén waves in Solar spicules dissipate in a few periods. As height increases, the perturbed velocity amplitude does increase in contrast to the behavior of perturbed magnetic field. Moreover, it should be emphasized that the stratification due to gravity, shear flow and field are the facts that should be considered in MHD models in spicules. Sun: spicules Alfvén waves Phase mixing Shear flow Shear field Hosseinpour, M. aut Enthalten in Astrophysics and space science Springer Netherlands, 1968 343(2012), 1 vom: 21. Sept., Seite 11-17 (DE-627)129062723 (DE-600)629-4 (DE-576)014393522 0004-640X nnns volume:343 year:2012 number:1 day:21 month:09 pages:11-17 https://doi.org/10.1007/s10509-012-1241-0 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-TEC SSG-OLC-PHY SSG-OLC-AST SSG-OPC-AST GBV_ILN_40 GBV_ILN_47 GBV_ILN_70 GBV_ILN_2279 GBV_ILN_4012 AR 343 2012 1 21 09 11-17 |
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phase mixing of standing alfvén waves with shear flows in solar spicules |
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Phase mixing of standing Alfvén waves with shear flows in solar spicules |
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Abstract Alfvénic waves are thought to play an important role in coronal heating and solar wind acceleration. Here we investigate the dissipation of such waves due to phase mixing at the presence of shear flow and field in the stratified atmosphere of solar spicules. The initial flow is assumed to be directed along spicule axis and to vary linearly in the x direction and the equilibrium magnetic field is taken 2-dimensional and divergence-free. It is determined that the shear flow and field can fasten the damping of standing Alfvén waves. In spite of propagating Alfvén waves, standing Alfvén waves in Solar spicules dissipate in a few periods. As height increases, the perturbed velocity amplitude does increase in contrast to the behavior of perturbed magnetic field. Moreover, it should be emphasized that the stratification due to gravity, shear flow and field are the facts that should be considered in MHD models in spicules. © Springer Science+Business Media B.V. 2012 |
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Abstract Alfvénic waves are thought to play an important role in coronal heating and solar wind acceleration. Here we investigate the dissipation of such waves due to phase mixing at the presence of shear flow and field in the stratified atmosphere of solar spicules. The initial flow is assumed to be directed along spicule axis and to vary linearly in the x direction and the equilibrium magnetic field is taken 2-dimensional and divergence-free. It is determined that the shear flow and field can fasten the damping of standing Alfvén waves. In spite of propagating Alfvén waves, standing Alfvén waves in Solar spicules dissipate in a few periods. As height increases, the perturbed velocity amplitude does increase in contrast to the behavior of perturbed magnetic field. Moreover, it should be emphasized that the stratification due to gravity, shear flow and field are the facts that should be considered in MHD models in spicules. © Springer Science+Business Media B.V. 2012 |
| abstract_unstemmed |
Abstract Alfvénic waves are thought to play an important role in coronal heating and solar wind acceleration. Here we investigate the dissipation of such waves due to phase mixing at the presence of shear flow and field in the stratified atmosphere of solar spicules. The initial flow is assumed to be directed along spicule axis and to vary linearly in the x direction and the equilibrium magnetic field is taken 2-dimensional and divergence-free. It is determined that the shear flow and field can fasten the damping of standing Alfvén waves. In spite of propagating Alfvén waves, standing Alfvén waves in Solar spicules dissipate in a few periods. As height increases, the perturbed velocity amplitude does increase in contrast to the behavior of perturbed magnetic field. Moreover, it should be emphasized that the stratification due to gravity, shear flow and field are the facts that should be considered in MHD models in spicules. © Springer Science+Business Media B.V. 2012 |
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Phase mixing of standing Alfvén waves with shear flows in solar spicules |
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Hosseinpour, M. |
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