Study of impurity behaviour during JET radiative boundary experiments
H Chen; R Giannella; N C Hawkes; L Lauro-Taroni; N J Peacock; M von Hellermann; H Chen; JET Joint Undertaking, Abingdon, Oxon OX14 3EA, UK; R Giannella; JET Joint Undertaking, Abingdon, Oxon OX14 3EA, UK; N C Hawkes; JET Joint Undertaking, Abingdon, Oxon OX14 3EA, UK; L Lauro-Taroni; JET Joint Undertaking, Abingdon, Oxon OX14 3EA, UK; N J Peacock; JET Joint Undertaking, Abingdon, Oxon OX14 3EA, UK; M von Hellermann; JET Joint Undertaking, Abingdon, Oxon OX14 3EA, UK
Журнал:
Plasma Physics and Controlled Fusion
Дата:
2001-01-01
Аннотация:
The transport of light impurity ions is investigated following neon and nitrogen gas puffing in JET ELMy H-mode. Upon achieving consistency among various ion radiation diagnostics through numerical simulations, the experimental ion transport coefficients are compared with the predictions of neoclassical theory at different regions of the plasma. The convection dominates the transport and, in the core, the transport coefficients approach the neoclassical value.
141.8Кб