We develop incompressible magnetohydrodynamic (IMHD) energy budget equations with a spatial filtering kernel and estimate the scaling of the structure functions. The Politano-Pouquet law is recovered as an upper bound on the scale-to-scale energy transfer. The primary result of this work is the relation of the scaling of IMHD invariants. It can be produced by hypothesizing a scale-independent energy transfer rate. These results have relevance in plasma regimes where the approximations of IMHD are justified. We measure structure functions with solar wind data and find support for the relations.
Energy Transfer in Incompressible Magnetohydrodynamics: The Filtered Approach
Coburn, Jesse T.; Sorriso-Valvo, Luca
Journal:
FLUIDS 4 (3),
pp. 163 - 181
Year:
2019
ISTP Authors: Luca Sorriso-Valvo
Keywords: Turbulence, Magnetohydrodynamics
Research Activitie: JOURNAL ARTICLES
Related products
-
Fusion engineering and design 166 pp. 112315 - 1 - 112315 - 6 Year: 2021 DOI: 10.1016/j.fusengdes.2021.112315
Cross machine investigation of magnetic tokamak dust: Morphological and elemental analysis
De Angeli M.; Ripamonti D.; Ghezzi F.; Tolias P.; Conti C.; Arnas C.; Jerab M.; Rudakov D.L.; Chrobak C.P.; Irby J.; LaBombard B.; Lipschultz B.; Maddaluno G.
-
Atomic spectroscopy 42 (1), pp. 18 - 24 Year: 2021 DOI: 10.46770/AS.2020.202
Spark discharge-libs: Evaluation of one-point and multi-voltage calibration for p and al determination
Vieira A.L.; Ferreira E.C.; Junior D.S.; Senesi G.S.; Neto J.A.G.
-
Trends in Environmental Analytical Chemistry 30 pp. e00121-1 - e00121-12 Year: 2021 DOI: 10.1016/j.teac.2021.e00121
Laser-Induced Breakdown Spectroscopy applied to environmental systems and their potential contaminants. An overview of advances achieved in the last few years
Goncalves D.A.; Senesi G.S.; Nicolodelli G.
English
Italiano