| Grant number: | 17/20192-2 |
| Support Opportunities: | Regular Research Grants |
| Start date: | March 01, 2018 |
| End date: | February 29, 2020 |
| Field of knowledge: | Physical Sciences and Mathematics - Physics - Physics of Fluids, Plasma Physics and Electrical Discharge |
| Principal Investigator: | Francisco Eugenio Mendonça da Silveira |
| Grantee: | Francisco Eugenio Mendonça da Silveira |
| Host Institution: | Centro de Ciências Naturais e Humanas (CCNH). Universidade Federal do ABC (UFABC). Ministério da Educação (Brasil). Santo André , SP, Brazil |
Abstract
The main aim of this working plan is to investigate the influence of the electron inertia on MHD instabilities, in the physics of large aspect ratio tokamaks. Inertial effects are introduced from the consideration of a finite penetration depth for the electron. In this case, the current density acquires an also finite relaxation time. The state of stationary equilibrium of the system, in the cylindrical approximation, is briefly revised, and the importance of the investigation to the physics of Z-pinches, emphasized. Preliminary results, in the domain of ideal unidimensional MHD, in the adiabatic approximation, are presented, and extensions to dissipative three dimensional MHD, including the contextualization of the model in the realm of the energy principle, addressed. (AU)
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