Multi-fluid modeling of ion-neutral interactions in the solar chromosphere with ionization and recombination effects.

Slides:



Advertisements
Similar presentations
Evaporation driven by thermal conduction Heidi Dritschel REU student working in collaboration with Sean Brannon and Professor Longcope at MSU.
Advertisements

Meanwhile, somewhere in California. Solar plasma Convection is complicated Temperature is very high Completely or partially ionized gas -> Charges (protons.
ISSI - 2. Solar Wind Interaction Q1: Scope of the applicability of different modelling approach Q2: Adequacy in reflecting important physics Q3: How important.
Non-magnetic Planets Yingjuan Ma, Andrew Nagy, Gabor Toth, Igor Sololov, KC Hansen, Darren DeZeeuw, Dalal Najib, Chuanfei Dong, Steve Bougher SWMF User.
Microphysics of the radiative transfer. Numerical integration of RT in a simplest case Local Thermodynamical Equilibrium (LTE, all microprocesses are.
Emerging Flux Simulations Bob Stein A.Lagerfjard Å. Nordlund D. Benson D. Georgobiani 1.
Partially ionized gas -contains IONS, ELECTRONS and neutral particles.
Solar Convection: What it is & How to Calculate it. Bob Stein.
Coupling the RCM to LFM Frank Toffoletto (Rice) and John Lyon (Dartmouth)
Solar Magneto-Convection: Structure & Dynamics Robert Stein - Mich. State Univ. Aake Nordlund - NBIfAFG.
Super-granulation Scale Convection Simulations Robert Stein, David Benson - Mich. State Univ. Aake Nordlund - Niels Bohr Institute.
Solar Physics & upper Atmosphere Research Group University of Sheffield A possible method for measuring the plasma density profile along coronal loops.
Chamber Dynamic Response Modeling Zoran Dragojlovic.
Physics 681: Solar Physics and Instrumentation – Lecture 21 Carsten Denker NJIT Physics Department Center for Solar–Terrestrial Research.
High Altitude Observatory (HAO) – National Center for Atmospheric Research (NCAR) The National Center for Atmospheric Research is operated by the University.
Solar Surface Dynamics convection & waves Bob Stein - MSU Dali Georgobiani - MSU Dave Bercik - MSU Regner Trampedach - MSU Aake Nordlund - Copenhagen Mats.
Relation Between Electric Fields and Ionospheric/magnetospheric Plasma Flows at Very Low Latitudes Paul Song Center for Atmospheric Research University.
Physics of fusion power Lecture 10 : Running a discharge / diagnostics.
Physics 681: Solar Physics and Instrumentation – Lecture 25 Carsten Denker NJIT Physics Department Center for Solar–Terrestrial Research.
Inductive-Dynamic Magnetosphere-Ionosphere Coupling via MHD Waves Jiannan Tu Center for Atmospheric Research University of Massachusetts Collaborators:
Physical analogies between solar chromosphere and earth’s ionosphere Hiroaki Isobe (Kyoto University) Acknowledgements: Y. Miyoshi, Y. Ogawa and participants.
Chapter 5 Diffusion and resistivity
Coronal Heating of an Active Region Observed by XRT on May 5, 2010 A Look at Quasi-static vs Alfven Wave Heating of Coronal Loops Amanda Persichetti Aad.
Overview of equations and assumptions Elena Khomenko, Manuel Collados, Antonio Díaz Departamento de Astrofísica, Universidad de La Laguna and Instituto.
IPP - Garching Reflectometry Diagnostics and Rational Surface Localization with Fast Swept Systems José Vicente
Computational Astrophysics: Magnetic Fields and Charged Particle Dynamics 20-nov-2008.
Basics of molecular dynamics. Equations of motion for MD simulations The classical MD simulations boil down to numerically integrating Newton’s equations.
Chromosphere Model: Heating, Structures, and Circulation P. Song 1, and V. M. Vasyliūnas 1,2 1.Center for Atmospheric Research, University of Massachusetts.
CSI /PHYS Solar Atmosphere Fall 2004 Lecture 09 Oct. 27, 2004 Ideal MHD, MHD Waves and Coronal Heating.
Multi-fluid MHD Study on Ion Loss from Titan’s Atmosphere Y. J. Ma, C. T. Russell, A. F. Nagy, G. Toth, M. K. Dougherty, A. Wellbrock, A. J. Coates, P.
Plasma environment of a weak comet – predictions for comet 67P/Churyumov-Gerasimenko from multifluid-MHD and Hybrid models M. Rubin, C. Koenders, K. Altwegg,
M. L. Khodachenko Space Research Institute, Austrian Academy of Sciences, Graz, Austria Damping of MHD waves in the solar partially ionized plasmas.
Partially Ionized Plasma Effect in Dynamic Solar Atmosphere Naoki Nakamura 2015/07/05 Solar Seminar.
1 Non-neutral Plasma Shock HU Xiwei （胡希伟） 工 HU Xiwei （胡希伟） HE Yong （何勇） HE Yong （何勇） Hu Yemin （胡业民） Hu Yemin （胡业民） Huazhong University of Science and.
Waves Disturbances which travel through space and matter Carry energy and information Sometimes need medium to propagate in (mechanical waves, sound),
Issues and Needs in Solar Modeling James A. Klimchuk Rebekah M. Evans NASA/GSFC.
Photospheric MHD simulation of solar pores Robert Cameron Alexander Vögler Vasily Zakharov Manfred Schüssler Max-Planck-Institut für Sonnensystemforschung.
Comet 1P/Halley Multifluid MHD model for the Giotto Fly-By M. Rubin, M. R. Combi, L. K. S. Daldorff, T. I. Gombosi, K. C. Hansen, Y. Shou, V. M. Tenishev,
Emerging Flux Simulations & semi-Sunspots Bob Stein A.Lagerfjärd Å. Nordlund D. Georgobiani 1.
MHD wave propagation in the neighbourhood of a two-dimensional null point James McLaughlin Cambridge 9 August 2004.
Effect of solar chromospheric neutrals on equilibrium field structures - T. Arber, G. Botha & C. Brady (ApJ 2009) 太陽雑誌会ー 22/01/10.
ESS 200C Lecture 13 The Earth’s Ionosphere
Lecture 3. Full statistical description of the system of N particles is given by the many particle distribution function: in the phase space of 6N dimensions.
A Model of the Chromosphere: Heating, Structures, and Convection P. Song 1, and V. M. Vasyliūnas 1,2 1.Center for Atmospheric Research and Department of.
Targetry Simulation with Front Tracking And Embedded Boundary Method Jian Du SUNY at Stony Brook Neutrino Factory and Muon Collider Collaboration UCLA.
A shock is a discontinuity separating two different regimes in a continuous media. –Shocks form when velocities exceed the signal speed in the medium.
Substorms: Ionospheric Manifestation of Magnetospheric Disturbances P. Song, V. M. Vasyliūnas, and J. Tu University of Massachusetts Lowell Substorms:
Multi-Fluid/Particle Treatment of Magnetospheric- Ionospheric Coupling During Substorms and Storms R. M. Winglee.
Simulated Solar Plages Robert Stein, David Benson - Mich. State Univ. USA Mats Carlsson - University of Oslo, NO Bart De Pontieu - Lockheed Martin Solar.
Magnetosphere-Ionosphere Coupling: Alfven Wave Reflection, Transmission and Mode Conversion P. Song and V. M. Vasyliūnas Center for Atmospheric Research.
Numerical Simulations of Solar Magneto-Convection
Date of download: 10/31/2017 Copyright © ASME. All rights reserved.
Wave heating of the partially-ionised solar atmosphere
E. Khomenko and M. Collados
The Solar Atmosphere II
Image Bank Chapter 18 Preview
Effect of Horizontally Inhomogeneous Heating on Flow and Magnetic Field in the Chromosphere of the Sun Paul Song and Vytenis M. Vasyliūnas Space Science.
ESS 154/200C Lecture 19 Waves in Plasmas 2
The Bow Shock and Magnetosheath
Two-fluid Collisionless MHD
Paul Song and V. M. Vasyliūnas
Earth’s Ionosphere Lecture 13
Energy conversion boundaries
MEE …. WAVE PROPAGATION IN SOLIDS
The Upper Atmosphere: Problems in Developing Realistic Models
Dynamic Coupling between the Magnetosphere and the Ionosphere
Modelling the Effect of Magnetic Field Variation on Solar Flares
Supergranule Scale Convection Simulations
Two-fluid Collisionless MHD
Generation of Alfven Waves by Magnetic Reconnection
Presentation transcript:

Multi-fluid modeling of ion-neutral interactions in the solar chromosphere with ionization and recombination effects

Stratified Solar Chromosphere – VAL C model for chemical equilibrium

Multifluid (MHD + neutrals) Model Equations – Continuity and Momentum

Ionization and Recombination rates – model comparison

Initial magnetic profile – simple flux tube with homogeneous magnetic field

Inclusion of initial vertical driver at foot points perturbations on neutral velocity

Wave propagation and boundary conditions Bottom: imposed velocity and temperature Sides: open non-reflective boundaries Top: open supersonic outlet

Feedback: Privacy Policy Feedback
Do Not Sell My Personal Information
About project: SlidePlayer Terms of Service

© 2024 SlidePlayer.com Inc. All rights reserved.