Study of signal ratio dependence on Doppler shift in the plasma rotation velocity ...
Fusion plasma applications and modeling of low temperature plasmas
| Grant number: | 13/23713-2 |
| Support Opportunities: | Research Grants - Visiting Researcher Grant - International |
| Duration: | March 29, 2014 - May 22, 2014 |
| Field of knowledge: | Physical Sciences and Mathematics - Physics - Physics of Fluids, Plasma Physics and Electrical Discharge |
| Principal Investigator: | Iberê Luiz Caldas |
| Grantee: | Iberê Luiz Caldas |
| Visiting researcher: | Claude Wendell Horton Jr. |
| Visiting researcher institution: | University of Texas at Austin (UT), United States |
| Host Institution: | Instituto de Física (IF). Universidade de São Paulo (USP). São Paulo , SP, Brazil |
| Associated research grant: | 11/19296-1 - Nonlinear dynamics, AP.TEM |
Abstract
In this project, we will investigate the changes in turbulence and particle transport caused by external perturbations in the profiles of the electric and magnetic fields at the plasma edge, as in experiments realized in tokamaks and some other confinement plasma machines. In these investigations we will apply basic Hamiltonian theories of chaos and turbulence. The theory developed will be used to interpret experiments in tokamak TCABR, of the University of São Paulo and Texas Helimak of the University of Texas, as well as for applications in other tokamaks. In addition, we also investigate the origin of the turbulence, i.e., the onset of instabilities in confined plasmas, which growth can lead to turbulence. (AU)
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