DOE OSTI · 2447395
Overview of Large Helical Device experiments of basic plasma physics for solving crucial issues in reaching burning plasma conditions
Abstract
Recently, experiments on basic plasma physics issues for solving future problems in fusion energy have been performed on a Large Helical Device. There are several problems to be solved in future devices for fusion energy. Emerging issues in burning plasma are: alpha-channeling (ion heating by alpha particles), turbulence and transport in electron dominant heating helium ash exhaust, reduction of the divertor heat load. To solve these problems, understanding the basic plasma physics of (1) wave–particle interaction through (inverse) Landau damping, (2) characteristics of electron-scale (high-k) turbulence, (3) ion mixing and the isotope effect, and (4) turbulence spreading and detachment, is necessary. This overview discusses the experimental studies on these issues and turbulent transport in multi-ion plasma and other issues in the appendix.
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Ida, K., Yoshinuma, M., Kobayashi, M. (ORCID:0000000209907093), Kobayashi, T. (ORCID:0000000156691937), Kenmochi, N. (ORCID:0000000310888237), Nespoli, F. (ORCID:000000017644751X), Magee, R. M., Warmer, F. (ORCID:0000000195855201), Dinklage, A. (ORCID:0000000258158463), Matsuyama, A., Sakamoto, R. (ORCID:000000024453953X), Nasu, T. (ORCID:0000000291727381), Tokuzawa, T., Kinoshita, T. (ORCID:0000000339304434), Tanaka, K., Tamura, N. (ORCID:0000000316821519), Nagaoka, K., Nishiura, M., Takemura, Y. (ORCID:000000033754897X), Ogawa, K., Motojima, G. (ORCID:0000000155223082), Oishi, T. (ORCID:0000000211718603), Morishita, Y., Varela, J. (ORCID:0000000261140539), Hayashi, W. H.J. (ORCID:0000000310657770), Markl, M. (ORCID:0009000572831668), Bouvain, H., Liang, Y. (ORCID:0000000294836911), Leconte, M. (ORCID:0000000304062172), Moseev, D., Moiseenko, V. E., Albert, C. G., Allfrey, I., Alonso, A., Arellano, F. J., Ashikawa, N., Azegami, A., Bardoczi, L., van Berkel, M., Beurskens, M., Binderbaue, M. W., Bortolon, A. (ORCID:0000000200940209), Brezinsek, S., Bussiahn, R., Cappa, A., Carralero, D., Chan, I. C., Cheng, J., Dai, X., Den Hartog, D. J., Dhard, C. P., Ding, F., Ejiri, A., Ertmer, S., Fornal, T., Fujita, K., Fujiwara, Y., Funaba, H., Garcia, L., Garcia-Regana, J. M., Garcia-Cortés, I., Garkusha, I. E., Gates, D. A., Ghai, Yashika (ORCID:0000000177398377), Gilson, E. P. (ORCID:0000000168209132), Gota, H., Goto, M., Green, E. M., Haak, V., Hamaguchi, S., Hanada, K., Hara, H., Hartmann, D., Hayashi, Y., Henning, T., Hidalgo, C., Hillairet, J., Hutton, R., Ido, T., Igami, H., Ikeda, K., Inagaki, S., Ishizawa, A., Ito, S., Isobe, M., Isobe, Y., Ivkovic, M., Jiang, Z., Jo, J., Kamio, S., Kasahara, H., Kato, D., Katoh, Y., Kawachi, Y., Kawamoto, Y., Kawamura, G., Kawate, T., Kazakov, Ye O., Klumper, V., Knieps, A.. 2024-08-28. Overview of Large Helical Device experiments of basic plasma physics for solving crucial issues in reaching burning plasma conditions. https://doi.org/10.1088/1741-4326%2Fad3a7a
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