First Direct Observation of Runaway-Electron-Driven Whistler Waves in Tokamaks von Spong, D A, Heidbrink, W W, Paz-Soldan, C, Du, X D, Thome, K E, Van Zeeland, M A, Collins, C, Lvovskiy, A, Moyer, R A, Austin, M E, Brennan, D P, Liu, C, Jaeger, E F, Lau, C

Volltext

Comprehensive magnetohydrodynamic hybrid simulations of fast ion driven instabilities in a Large Helical Device experiment von Todo, Y., Seki, R., Spong, D. A., Wang, H., Suzuki, Y., Yamamoto, S., Nakajima, N., Osakabe, M.

Volltext

Fast ion induced shearing of 2D Alfvén eigenmodes measured by electron cyclotron emission imaging von Tobias, B J, Classen, I G J, Domier, C W, Heidbrink, W W, Luhmann, Jr, N C, Nazikian, R, Park, H K, Spong, D A, Van Zeeland, M A

Volltext

Experimental observation of the geodesic acoustic frequency limit for the NBI-driven Alfvén eigenmodes in TJ-II von Eliseev, L. G., Melnikov, A. V., Ascasibar, E., Cappa, A., Drabinskiy, M., Hidalgo, C., Khabanov, P. O., Kharchev, N. K., Kozachek, A. S., Liniers, M., Lysenko, S. E., Ochando, M., Pablos, J. L. de, Pastor, I., Sharapov, S. E., Spong, D. A., Breizman, B. N., Varela, J.

Volltext

Fast Ion Transport in the Three-Dimensional Reversed-Field Pinch von Bonofiglo, P J, Anderson, J K, Boguski, J, Kim, J, Egedal, J, Gobbin, M, Spong, D A, Parke, E

Volltext

Characteristics of neutron emission profile from neutral beam heated plasmas of the Large Helical Device at various magnetic field strengths von Ogawa, K, Isobe, M, Sugiyama, S, Spong, D A, Sangaroon, S, Seki, R, Nuga, H, Yamaguchi, H, Kamio, S, Fujiwara, Y, Kobayashi, M I, Jo, J, Osakabe, M

Volltext

Mitigation of Alfvénic activity by 3D magnetic perturbations on NSTX von Kramer, G J, Bortolon, A, Ferraro, N M, Spong, D A, Crocker, N A, Darrow, D S, Fredrickson, E D, Kubota, S, Park, J-K, Podestà, M, Heidbrink, W W

Volltext

Observation of energetic-ion losses induced by various MHD instabilities in the Large Helical Device (LHD) von Ogawa, K, Isobe, M, Toi, K, Watanabe, F, Spong, D.A, Shimizu, A, Osakabe, M, Ohdachi, S, Sakakibara, S

Volltext

Generation and damping of neoclassical plasma flows in stellarators von Spong, D. A.

Volltext

Verification and validation of linear gyrokinetic simulation of Alfvén eigenmodes in the DIII-D tokamak von Spong, D. A., Bass, E. M., Deng, W., Heidbrink, W. W., Lin, Z., Tobias, B., Van Zeeland, M. A., Austin, M. E., Domier, C. W., Luhmann, N. C.

Volltext

Three-dimensional effects on energetic particle confinement and stability a von Spong, D. A.

Volltext

Orbit-following simulations of fast-ion transport and losses due to the Alfvén eigenmode burst in the Large Helical Device von Seki, R., Todo, Y., Suzuki, Y., Spong, D. A., Ogawa, K., Isobe, M., Osakabe, M.

Volltext

Simulation of Alfvén frequency cascade modes in reversed shear-discharges using a Landau-closure model von Spong, D.A.

Volltext

Measurements, modelling and electron cyclotron heating modification of Alfvén eigenmode activity in DIII-D von Van Zeeland, M.A, Heidbrink, W.W, Nazikian, R, Austin, M.E, Cheng, C.Z, Chu, M.S, Gorelenkov, N.N, Holcomb, C.T, Hyatt, A.W, Kramer, G.J, Lohr, J, McKee, G.R, Petty, C.C, Prater, R, Solomon, W.M, Spong, D.A

Volltext

Observation of reversed-shear Alfvén eigenmodes excited by energetic ions in a helical plasma von Toi, K, Watanabe, F, Tokuzawa, T, Ida, K, Morita, S, Ido, T, Shimizu, A, Isobe, M, Ogawa, K, Spong, D A, Todo, Y, Watari, T, Ohdachi, S, Sakakibara, S, Yamamoto, S, Inagaki, S, Narihara, K, Osakabe, M, Nagaoka, K, Narushima, Y, Watanabe, K Y, Funaba, H, Goto, M, Ikeda, K, Ito, T, Kaneko, O, Kubo, S, Murakami, S, Minami, T, Miyazawa, J, Nagayama, Y, Nishiura, M, Oka, Y, Sakamoto, R, Shimozuma, T, Takeiri, Y, Tanaka, K, Tsumori, K, Yamada, I, Yoshinuma, M, Kawahata, K, Komori, A

Volltext

Energetic-electron-driven instability in the helically symmetric experiment von Deng, C B, Brower, D L, Breizman, B N, Spong, D A, Almagri, A F, Anderson, D T, Anderson, F S B, Ding, W X, Guttenfelder, W, Likin, K M, Talmadge, J N

Volltext

Effect of the neutral beam injector operational regime on the Alfven eigenmode saturation phase in DIII-D plasma von Varela, J, Spong, D A, Garcia, L, Ghai, Y, Zarzoso, D, del-Castillo-Negrete, D, Betar, H, Ortiz, J, Pace, D C, Van Zeeland, M A, Du, X, Sanchez, R, Tribaldos, V, Reynolds-Barredo, J M

Volltext

MHD stability trends and improved performance of LHD inward-shifted configurations: The role of the neutral beam current drive and thermal plasma density von Varela, J., Nagaoka, K., Takemura, Y., Watanabe, K. Y., Ida, K., Yoshinuma, M., Nagasaki, K., Cappa, A., Sharapov, S., Spong, D. A., Garcia, L., Ghai, Y., Ortiz, J.

Volltext

Study of Alfven eigenmodes stability in plasma with multiple NBI driven energetic particle species von Varela, J., Spong, D. A., Garcia, L., Todo, Y., Huang, J., Murakami, M.

Volltext

Spatially dependent modeling and simulation of runaway electron mitigation in DIII-D von Beidler, M. T., del-Castillo-Negrete, D., Baylor, L. R., Shiraki, D., Spong, D. A.

Volltext