Physical Regimes of Two-dimensional MHD Turbulent Reconnection in Different Lundquist Numbers
Using two-dimensional MHD simulations in different Lundquist numbers S , we investigate physical regimes of turbulent reconnection and the role of turbulence in enhancing the reconnection rate. Turbulence is externally injected into the system with varying strength. Externally driven turbulence cont...
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| Veröffentlicht in: | The Astrophysical journal 2022-02, Vol.926 (1), p.97 |
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| creator | Sun, Haomin Yang, Yan Lu, Quanming Lu, San Wan, Minping Wang, Rongsheng |
| description | Using two-dimensional MHD simulations in different Lundquist numbers
S
, we investigate physical regimes of turbulent reconnection and the role of turbulence in enhancing the reconnection rate. Turbulence is externally injected into the system with varying strength. Externally driven turbulence contributes to the conversion of magnetic energy to kinetic energy flowing out of the reconnection site and thus enhances the reconnection rate. The plasmoids formed in high Lundquist numbers contribute to the fast reconnection rate, as well. Moreover, an analysis of the power of turbulence implies its possible association with the generation of plasmoids. Additionally, the presence of turbulence has great impact on the magnetic energy conversion and may be impactful also for the Kelvin–Helmholtz instability in the magnetic reconnection process. |
| doi_str_mv | 10.3847/1538-4357/ac4158 |
| format | Article |
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S
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| subjects | Astrophysical magnetism Astrophysics Burst astrophysics Energy conversion Interplanetary magnetic fields Interstellar magnetic fields Kelvin-Helmholtz instability Kinetic energy Magnetic fields Magnetic reconnection Magnetohydrodynamic turbulence Magnetohydrodynamics Plasma astrophysics Plasma physics Plasmas (physics) Solar magnetic fields Solar magnetic reconnection Solar physics Turbulence |
| title | Physical Regimes of Two-dimensional MHD Turbulent Reconnection in Different Lundquist Numbers |
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