Scale dependence of energy transfer in turbulent plasma. Yang, Y., Wan, M., Matthaeus, W., Sorriso-Valvo, L., Parashar, T., Lu, Q., Shi, Y., & Chen, S. Monthly Notices of the Royal Astronomical Society, 482(4):4933-4940, Oxford University Press, 2019. cited By 15![Scale dependence of energy transfer in turbulent plasma [link]](https://bibbase.org/img/filetypes/link.svg "link")
Paper doi abstract bibtex In the context of space and astrophysical plasma turbulence and particle heating, several vocabularies emerge for estimating turbulent energy dissipation rate, including Kolmogorov–Yaglom third-order law and, in its various forms, j · E (work done by the electromagnetic field on particles), and − (P · ∇) · u (pressure–strain interaction), to name a couple. It is now understood that these energy transfer channels, to some extent, are correlated with coherent structures. In particular, we find that different energy dissipation proxies, although not point-wise correlated, are concentrated in proximity to each other, for which they decorrelate in a few ion inertial scales. However, the energy dissipation proxies dominate at different scales. For example, there is an inertial range over which the third-order law is meaningful. Contributions from scale bands stemming from scale-dependent spatial filtering show that the energy exchange through j · E mainly results from large scales, while the energy conversion from fluid flow to internal through − (P · ∇) · u dominates at small scales. © 2018 The Author(s).
@ARTICLE{Yang20194933,
author={Yang, Y. and Wan, M. and Matthaeus, W.H. and Sorriso-Valvo, L. and Parashar, T.N. and Lu, Q. and Shi, Y. and Chen, S.},
title={Scale dependence of energy transfer in turbulent plasma},
journal={Monthly Notices of the Royal Astronomical Society},
year={2019},
volume={482},
number={4},
pages={4933-4940},
doi={10.1093/mnras/sty2977},
note={cited By 15},
url={https://www.scopus.com/inward/record.uri?eid=2-s2.0-85060821523&doi=10.1093%2fmnras%2fsty2977&partnerID=40&md5=300ff570377a1c1b75a4f08f0d6e7dd0},
abstract={In the context of space and astrophysical plasma turbulence and particle heating, several vocabularies emerge for estimating turbulent energy dissipation rate, including Kolmogorov–Yaglom third-order law and, in its various forms, j · E (work done by the electromagnetic field on particles), and − (P · ∇) · u (pressure–strain interaction), to name a couple. It is now understood that these energy transfer channels, to some extent, are correlated with coherent structures. In particular, we find that different energy dissipation proxies, although not point-wise correlated, are concentrated in proximity to each other, for which they decorrelate in a few ion inertial scales. However, the energy dissipation proxies dominate at different scales. For example, there is an inertial range over which the third-order law is meaningful. Contributions from scale bands stemming from scale-dependent spatial filtering show that the energy exchange through j · E mainly results from large scales, while the energy conversion from fluid flow to internal through − (P · ∇) · u dominates at small scales. © 2018 The Author(s).},
publisher={Oxford University Press},
issn={00358711},
coden={MNRAA},
document_type={Article},
source={Scopus},
}
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