Investigation of impurity transport using laser blow-off technique in the HL-2A Ohmic and ECRH plasmas
Zhang Kai†, , Cui Zheng-Ying, Sun Ping, Dong Chun-Feng, Deng Wei, Dong Yun-Bo, Song Shao-Dong, Jiang Min, Li Yong-Gao, Lu Ping, Yang Qing-Wei
       

Time evolutions for (a) Ohmic and (b) ECRH-heated plasma current Ip, line-averaged electron density ne, loop voltage Vl, total radiation power Prad, energy reservation WE, ECRH power PECRH, bolometric signals at r/a = 0.1, 0.2 and soft x-ray signal at r/a = 0.3, 0.1, respectively.