Author(s): T. Kinoshita, K. Tanaka, A. Ishizawa, H. Sakai, M. Nunami, Y. Ohtani, H. Yamada, M. Sato, M. Nakata, T. Tokuzawa, R. Yasuhara, Y. Takemura, I. Yamada, H. Funaba, K. Ida, M. Yoshinuma, T. Tsujimura, R. Seki, K. Ichiguchi, and C. A. Michael
In this study, we discovered a turbulence transition in a large helical device. The turbulence level and turbulence-driven energy transport decrease to a specific transition density and increase above...