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Symplectic transport in fusion diverted plasmas

Grant number: 12/18073-1
Support type:Scholarships in Brazil - Doctorate
Effective date (Start): November 01, 2012
Effective date (End): December 31, 2016
Field of knowledge:Physical Sciences and Mathematics - Physics - Physics of Fluids, Plasma Physics and Electrical Discharge
Principal researcher:Iberê Luiz Caldas
Grantee:David Ciro Taborda
Home Institution: Instituto de Física (IF). Universidade de São Paulo (USP). São Paulo , SP, Brazil
Associated research grant:11/19296-1 - Nonlinear dynamics, AP.TEM
Associated scholarship(s):14/03899-7 - Magnetic perturbations and plasma response in diverted plasmas, BE.EP.DR

Abstract

The present research project is aimed to study magnetically confined plasmas in modern tokamaks. This includes the description of the MHD equilibrium in diverted, small aspect-ratio equilibria. The solution of the Grad-Shafranov equation will provide the internal and edge magnetic field of the plasma in various configurations. From those equilibria the development of symplectic maps will provide the behavior of the magnetic lines, even in the case were small perturbations destroy the equilibrium axisymmetry and the system is no longer integrable. The magnetic transport and magnetic footprints in the divertor plates bring relevant information about charge deposition from the Scrape-off layer. (AU)

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Scientific publications (6)
(References retrieved automatically from Web of Science and SciELO through information on FAPESP grants and their corresponding numbers as mentioned in the publications by the authors)
BARTOLONI, B.; SCHELIN, A. B.; CALDAS, I. L.. Shearless bifurcation on symplectic maps of magnetic field lines in tokamaks with reversed current. Physics Letters A, v. 380, n. 31-32, p. 2416-2421, . (12/18073-1, 11/19296-1)
CIRO, DAVID; CALDAS, IBERE L.; VIANA, RICARDO L.; EVANS, TODD E.. Efficient manifolds tracing for planar maps. Chaos, v. 28, n. 9, . (11/19296-1, 12/18073-1)
CIRO, D.; CALDAS, I. L.. A semi-analytical solver for the Grad-Shafranov equation. Physics of Plasmas, v. 21, n. 11, . (12/18073-1)
CIRO, D.; CALDAS, I. L.. Magnetic topology and current channels in plasmas with toroidal current density inversions. Physics of Plasmas, v. 20, n. 10, . (12/18073-1, 11/19296-1)
CIRO, D.; EVANS, T. E.; CALDAS, I. L.. Modeling non-stationary, non-axisymmetric heat patterns in DIII-D tokamak. NUCLEAR FUSION, v. 56, n. 1, . (12/18073-1, 14/03899-7)
CALDAS, IBERE LUIZ; BARTOLONI, BRUNO F.; CIRO, DAVID; ROBERSON, GERALDO; SCHELIN, ADRIANE B.; KROETZ, TIAGO; ROBERTO, MARISA; VIANA, RICARDO LUIZ; IAROSZ, KELLY CRISTIANE; BATISTA, ANTONIO MARCOS; et al. Symplectic Maps for Diverted Plasmas. IEEE TRANSACTIONS ON PLASMA SCIENCE, v. 46, n. 7, 1, SI, p. 2354-2361, . (15/07311-7, 11/19296-1, 12/18073-1)
Academic Publications
(References retrieved automatically from State of São Paulo Research Institutions)
TABORDA, David Ciro. Magnetic field modeling for non-axisymmetric tokamak discharges. 2016. Doctoral Thesis - Universidade de São Paulo (USP). Instituto de Física (IF/SBI) São Paulo.

Please report errors in scientific publications list by writing to: cdi@fapesp.br.