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Tan, I.H.; Caldas, I.L.; Nascimento, I.C. do; Silva, R.P. da; Sanada, E.K.; Bruha, R.
Sao Paulo Univ. (Brazil). Inst. de Fisica1985
Sao Paulo Univ. (Brazil). Inst. de Fisica1985
AbstractAbstract
[en] The results obtained in the small tokamak TBR-1, concerning Mirnov oscillations are presented. The phase correlation method using 20 magnetic coils was applied to determine the poloidal and toroidal mode numbers. The main modes detected had m=2 and m=3, both with n=1, for q sub(l) (the safety factor at the limiter) varying from 4 to 7. The amplitudes and frequencies were measured, and a discussion is made about the TBR-1 confinement and stability conditions. (Author)
[pt]
Apresentam-se os resultados obtidos no pequeno tokamak TBR-1 relativos as oscilacoes de Mirnov. Aplica-se o metodo de correlacao de fase usando 20 espirais magneticas para determinar os numeros modais poloidal e toroidal. Os principais modos detetados tem m=2 e m=3, ambos com n=1, para q sub(l) (o fator de seguranca ao limitador) variando de 4 a 7. Medem-se as amplitudes e frequencias e faz-se uma discussao acerca das condicoes de confinamento e estabilidade do TBR-1. (L.C.)Primary Subject
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1985; 10 p
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