Thermal responses in a coronal loop maintained by wave heating mechanisms
Monthly Notices of the Royal Astronomical Society, ISSN: 1365-2966, Vol: 476, Issue: 3, Page: 3328-3335
2018
- 20Citations
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Example: if you select the 1-year option for an article published in 2019 and a metric category shows 90%, that means that the article or review is performing better than 90% of the other articles/reviews published in that journal in 2019. If you select the 3-year option for the same article published in 2019 and the metric category shows 90%, that means that the article or review is performing better than 90% of the other articles/reviews published in that journal in 2019, 2018 and 2017.
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Article Description
A full 3-dimensional compressible magnetohydrodynamic (MHD) simulation is conducted to investigate the thermal responses of a coronal loop to the dynamic dissipation processes of MHD waves. When the foot points of the loop are randomly and continuously forced, the MHD waves become excited and propagate upward. Then, 1-MK temperature corona is produced naturally as the wave energy dissipates. The excited wave packets become nonlinear just above the magnetic canopy, and the wave energy cascades into smaller spatial scales. Moreover, collisions between counter-propagating Alfvén wave packets increase the heating rate, resulting in impulsive temperature increases. Our model demonstrates that the heating events in the wave-heated loops can be nanoflare-like in the sense that they are spatially localized and temporally intermittent.
Bibliographic Details
http://www.scopus.com/inward/record.url?partnerID=HzOxMe3b&scp=85056452520&origin=inward; http://dx.doi.org/10.1093/mnras/sty490; https://academic.oup.com/mnras/advance-article/doi/10.1093/mnras/sty490/4907980; http://academic.oup.com/mnras/advance-article-pdf/doi/10.1093/mnras/sty490/24161356/sty490.pdf; https://dx.doi.org/10.1093/mnras/sty490; https://academic.oup.com/mnras/article/476/3/3328/4907980
Oxford University Press (OUP)
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