Comparison of Magnetohydrodynamics Simulation And Observasional Result to Solar Coronal Helmet Streamer

5th International Conference on Theoretical and Applied Physics 2015

Sujito^1 ; Wisodo, Hari^1 ; Setiahadi, Bambang^2

Department of Physics, Faculty of Mathematics and Natural Sciences, State University of Malang, Indonesia^1

Indonesian National Institute of Aeronautics and Space (LAPAN), Watukosek Mojokerto East Java, Indonesia^2

关键词: Dynamical evolution;    Magneto-hydrodynamics simulations;    Numerical approaches;    Numerical solution;    Observational data;    Plasma electron density;    Self-consistent solution;    Solar coronagraph;   

Others  :  https://iopscience.iop.org/article/10.1088/1742-6596/846/1/012004/pdf
DOI  :  10.1088/1742-6596/846/1/012004

来源: IOP

【 摘 要 】

This research is compare of magnetohydrodynamics (MHD) simulation and observational product to solar coronal helmet streamer (SCHS). Magnetohydrodynamics simulation is performed to construct evolution of a solar coronal helmet streamer attaining magnetohydrodynamics stability in solar corona. The dynamical evolution is satisfied by implementing numerical approach to reach complete self-consistent solution through modified general equation of Lagrangian-Navier-Stokes time-dependent. The density profile resulting from numerical solution is compared to the real data derived from large-angle solar coronagraph data taking by a coronagraph satellite. The research product show range of error is 10% with using measure of differential emission. We conclude that the plasma electron density distribution derived from simulation is in accordance with observational data.