Volume 46

Review on the Progress of the LHD Experiment

O. Motojima, H. Yamada, A. Komori, K. Y. Watanabe, T. Mutoh, Y. Takeiri, K. Ida, T. Akiyama, N. Asakura, N. Ashikawa, H. Chikaraishi, W. A. Cooper, M. Emoto, T. Fujita, M. Fujiwara, H. Funaba, P. Goncharov, M. Goto, Y. Hamada, S. Higashijima, T. Hino, M. Hoshino, M. Ichimura, H. Idei, T. Ido, K. Ikeda, S. Imagawa, S. Inagaki, A. Isayama, M. Isobe, T. Itoh, K. Itoh, S. Kado, D. Kalinina, T. Kaneba, O. Kaneko, D. Kato, T. Kato, K. Kawahata, H. Kawashima, H. Kawazome, T. Kobuchi, K. Kondo, S. Kubo, R. Kumazawa, J. F. Lyon, R. Maekawa, A. Mase, S. Masuzaki, T. Mito, K. Matsuoka, Y. Miura, J. Miyazawa, R. More, T. Morisaki, S. Morita, I. Murakami, S. Murakami, S. Mutoh, K. Nagaoka, K. Nagasaki, Y. Nagayama, Y. Nakamura, H. Nakanishi, K. Narihara, Y. Narushima, H. Nishimura, K. Nishimura, M. Nishiura, A. Nishizawa, N. Noda, T. Notake, H. Nozato, S. Ohdachi, K. Ohkubo, N. Ohyabu, N. Oyama, Y. Oka, H. Okada, M. Osakabe, T. Ozaki, B. J. Peterson, A. Sagara, T. Saida, K. Saito, S. Sakakibara, M. Sakamoto, R. Sakamoto, M. Sasao, K. Sato, T. Seki, T. Shimozuma, M. Shoji, S. Sudo, S. Takagi, Y. Takahashi, Y. Takase, H. Takenaga, N. Takeuchi, N. Tamura, K. Tanaka, M. Tanaka, K. Toi, K. Takahata, T. Tokuzawa, Y. Torii, K. Tsumori, F. Watanabe, M. Watanabe, T. Watanabe, T. Watari, I. Yamada, S. Yamada, T. Yamaguchi, S. Yamamoto, K. Yamazaki, N. Yanagi, M. Yokoyama, N. Yoshida, S. Yoshimura, Y. Yoshimura, M. Yoshinuma

Equilibrium and Stability of High- Plasmas in Wendelstein 7-AS

Joachim E. Geiger, Arthur Weller, Michael C. Zarnstorff, Carolin Nührenberg, Andreas Horst Franz Werner, Yaroslav I. Kolesnichenko, W7-AS Team, Neutral Beam Injection Group

Progress of High-Beta Experiments in Stellarator/Heliotron

Kiyomasa Y. Watanabe, Arthur Weller, Satoru Sakakibara, Yoshiro Narushima, Satoshi Ohdachi, Kazumichi Narihara, Kenji Tanaka, Katsumi Ida, Kazuo Toi, Hiroshi Yamada, Yasuhiro Suzuki, Osamu Kaneko, Large Helical Device Experimental Group, Wendelstein 7-AS Experimental Group

Nonlinear Analysis for Stabilization of Interchange Mode in LHD Plasmas

Katsuji Ichiguchi, Noriyoshi Nakajima, Benjamin A. Carreras

Bootstrap Current and Quasi-Symmetry in Reactor-Size Stellarators

Sergi Ferrando i Margalet, Wilfred Anthony Cooper, Simon J. Allfrey, Pavel Popovitch, Maxim Yu. Isaev

Fast-Ion Confinement and Fast-Ion-Induced Effects in Stellarators

Yaroslav I. Kolesnichenko, Vadym V. Lutsenko, Viktor S. Marchenko, Arthur Weller, Andreas Horst Franz Werner, Horst F. G. Wobig, Yuriy V. Yakovenko, Kozo Yamazaki

On Electric Fields in Stellarator Equilibria

Craig D. Beidler, Yuri L. Igitkhanov, Horst F. G. Wobig

Neoclassical Transport Including Impurities and the Bootstrap Current in Advanced Helical Systems

Shin Nishimura, Hideo Sugama, CHS Group

Configuration Effect on Energy Confinement and Local Transport in LHD and Contribution to the International Stellarator Database

H. Yamada, K. Ida, S. Murakami, K. Y. Watanabe, E. Ascasibar, R. Brakel, A. Dinklage, J. H. Harris, S. Okamura, F. Sano, U. Stroth, S. Inagaki, K. Tanaka, M. Goto, K. Nishimura, K. Narihara, S. Morita, S. Sakakibara, B. J. Peterson, R. Sakamoto, J. Miyazawa, T. Morisaki, M. Osakabe, K. Toi, N. Tamura, K. Ikeda, K. Yamazaki, K. Kawahata, O. Kaneko, N. Ohyabu, A. Komori, O. Motojima, LHD Experimental Group

Internal Transport Barrier and Bifurcation Phenomena in Stellarators

Akihide Fujisawa

On the High-Density Modes of Operation in W7-AS

Yuri Igitkhanov, Gerald Kent McCormick, Peter Eckhard Grigull

Electron ITB Formation with Combination of NBI and ECH in LHD

Y. Takeiri, S. Kubo, T. Shimozuma, M. Yokoyama, M. Osakabe, K. Ikeda, K. Tsumori, Y. Oka, K. Nagaoka, Y. Yoshimura, K. Ida, H. Funaba, S. Murakami, K. Tanaka, B. J. Peterson, I. Yamada, N. Ohyabu, K. Ohkubo, O. Kaneko, A. Komori, LHD Experimental Group

Impurity Transport Studies in the Wendelstein 7-AS Stellarator

Rainer Burhenn, Jürgen Baldzuhn, Rudolf Brakel, Hartmut Ehmler, Louis Giannone, Peter Eckhard Grigull, Jens Knauer, Maciej Krychowiak, Matthias Hirsch, Katsumi Ida, Henning Maassberg, Gerald Kent McCormick, Ekkehard Pasch, Henning Thomsen, Arthur Weller, W7-AS Team, ERCH Group, NI Group

A First Study of Impurity Behavior During Externally Induced Radial Electric Fields in the TJ-II Stellarator

Kieran J. McCarthy, Maria A. Ochando, Francisco Medina, Bernardo Zurro, Carlos Hidalgo, Maria de los Angeles Pedrosa, Ignacio Pastor, Jesús A. Herranz, Alfonso Baciero

Spectroscopic Study of Impurity Behavior in Heliotron-J Plasmas

Hayato Kawazome, Shintaro Tsuboi, Katsumi Kondo, T. Mizuuchi, F. Sano, K. Nagasaki, H. Okada, S. Kobayashi, K. Takahashi, H. Shidara, Y. Manabe, M. Kaneko, Y. Ohno, T. Takamiya, Y. Nishioka, H. Yukimoto, S. Nakazawa, S. Nishio, Y. Fukagawa, M. Yamada, T. Obiki

Performance of Plasma-Facing Materials Under Intense Thermal Loads in Tokamaks and Stellarators

Jochen Max Linke, Takeshi Hirai, Manfred Rödig, Lorenz Anton Singheiser

Divertors for Helical Devices: Concepts, Plans, Results, and Problems

R. König, P. Grigull, K. McCormick, Y. Feng, H. Ehmler, F. Gadelmeier, L. Giannone, D. Hildebrandt, J. Kisslinger, T. Klinger, D. Naujoks, N. Ramasubramanian, H. Renner, F. Sardei, H. Thomsen, F. Wagner, U. Wenzel, A. Werner, A. Komori, S. Masuzaki, K. Matsuoka, P. Mioduszewski, T. Morisaki, T. Obiki, N. Ohyabu

Initial Results of Local Island Divertor Experiments in the Large Helical Device

Akio Komori, Tomohiro Morisaki, Suguru Masuzaki, Mamoru Shoji, Nobuyoshi Ohyabu, Hiroshi Yamada, Kenji Tanaka, Kazuo Kawahata, Kazumichi Narihara, Shigeru Morita, Byron Jay Peterson, Ryuichi Sakamoto, Satoru Sakakibara, Osamu Motojima, LHD Experimental Group, Hajime Suzuki

Long-Pulse Operation and High-Energy Particle Confinement Study in ICRF Heating of LHD

Takashi Mutoh, Ryuhei Kumazawa, Tetsuo Seki, Kenji Saito, Tetsuo Watari, Yuki Torii, Norio Takeuchi, Fujio Shimpo, Goro Nomura, Mitsuhiro Yokota, Tsuguhiro Watanabe, Masaki Osakabe, Mamiko Sasao, Sadayoshi Murakami, Tomoya Saida, Hiroyuki Okada, Yuichi Takase, Atsushi Fukuyama, Naoko Ashikawa, Masahiko Emoto, Hisamichi Funaba, Pavel R. Goncharov, Motoshi Goto, Yasuji Hamada, Katsumi Ida, Hiroshi Idei, Katsunori Ikeda, Shinsaku Imagawa, Shigeru Inagaki, Mitsutaka Isobe, Takashi Kobuchi, Shin Kubo, Suguru Masuzaki, Keisuke Matsuoka, Takashi Minami, Toshiyuki Mito, Jyunichi Miyazawa, Tomohiro Morisaki, Shigeru Morita, Sadatsugu Muto, Yoshio Nagayama, Yukio Nakamura, Hideya Nakanishi, Kazumichi Narihara, Yoshiro Narushima, Kiyohiko Nishimura, Nobuaki Noda, Takashi Notake, Satoshi Ohdachi, Yoshihide Oka, Tetsuo Ozaki, Byron J. Peterson, Akio Sagara, Satoru Sakakibara, Ryuichi Sakamoto, Kuninori Sato, Motoyasu Sato, Takashi Shimozuma, Mamoru Shoji, Hajime Suzuki, Yasuhiko Takeiri, Naoki Tamura, Kenji Tanaka, Kazuo Toi, Tokihiko Tokuzawa, Katsuyoshi Tsumori, Kiyomasa Watanabe, Hiroshi Yamada, Ichihiro Yamada, Kozo Yamazaki, Masayuki Yokoyama, Yasuo Yoshimura, Mikiro Yoshinuma, Osamu Kaneko, Kazuo Kawahata, Nobuyoshi Ohyabu, Kunizo Ohkubo, Akio Komori, Shigeru Sudo, Osamu Motojima

Problems and Issues for Tokamak Long-Pulse Operation: Major Progress on Tore Supra

Jérôme Bucalossi, Tore Supra Team

Status of Wendelstein 7-X Construction

Jost-Henrich Feist, W7-X Construction Team

The Columbia Nonneutral Torus: A New Experiment to Confine Nonneutral and Positron-Electron Plasmas in a Stellarator

Thomas Sunn Pedersen, Allen H. Boozer, Jason Paul Kremer, Remi G. Lefrancois, Wayne T. Reiersen, Fred Dahlgren, Neil Pomphrey

Simulation of a Discharge for the NCSX Stellarator

Edward A. Lazarus, Michael C. Zarnstorff, Stuart R. Hudson, Long-Poe Ku, Douglas C. McCune, David R. Mikkelsen, Donald A. Monticello, Neil Pomphrey, Allen H. Reiman

QPS Transport Physics Flexibility Using Variable Coil Currents

Donald A. Spong, Dennis J. Strickler, Steven P. Hirshman, James F. Lyon, Lee A. Berry, David R. Mikkelsen, Donald A. Monticello, Andrew S. Ware

Transport and Stability Studies in Negative Central Shear Advanced Tokamak Plasmas

Raghavan Jay Jayakumar

Magnetohydrodynamic Equilibrium of Heliotron J Plasmas

Yasuhiro Suzuki, Yuji Nakamura, Katsumi Kondo, Noriyoshi Nakajima, Takaya Hayashi

Effect of Neoclassical Transport Optimization on Energetic Ion Confinement in LHD

S. Murakami, H. Yamada, M. Sasao, M. Isobe, T. Ozaki, T. Saida, P. Goncharov, J. F. Lyon, M. Osakabe, T. Seki, Y. Takeiri, Y. Oka, K. Tumori, K. Ikeda, T. Mutoh, R. Kumazawa, K. Saito, Y. Torii, T. Watari, A. Wakasa, K. Y. Watanabe, H. Funaba, M. Yokoyama, H. Maassberg, C. D. Beidler, A. Fukuyama, K. Itoh, K. Ohkubo, O. Kaneko, A. Komori, O. Motojima, LHD Experimental Group

Calculations of 1/ Transport in an l = 3 Stellarator Magnetic Field in the Presence of Magnetic Islands Caused by Magnetic System Errors

Victor Nikolayevich Kalyuzhnyj, Victor Vadimovich Nemov

ASTRA Modeling of Electron Cyclotron Heating in the Helically Symmetric Experiment

Joseph N. Talmadge, Konstantin M. Likin, Ali El-Sayed Ali Abdou, Abdulgader F. Almagri, David T. Anderson, F. Simon B. Anderson, John M. Canik, Chuanbao Deng, Stefan P. Gerhardt, Kan Zhai

Difference in Electron Transport Between Co- and Counter-NBI-Heated Plasmas in the Inward-Shifted Configurations on LHD

Hisamichi Funaba, Nobuyoshi Ohyabu, Yasuhiko Takeiri, Kiyomasa Watanabe, Shin Kubo, Takashi Shimozuma, Katsumi Ida, Junichi Miyazawa, Ryuichi Sakamoto, Kenichi Nagaoka, Kenji Tanaka, Byron Jay Peterson, Masaki Osakabe, Yoshio Nagayama, Shigeru Inagaki, Yoshiro Narushima, Satoru Sakakibara, LHD Experimental Group, Sadayoshi Murakami

Energy-Resolved Neutral Particle Fluxes in TJ-II ECRH Plasmas

Josep Maria Fontdecaba, Francisco Castejón, Rosa Balbín, Daniel López-Bruna, Sergei Yakovlevich Petrov, Ferran Albajar, Guillem Cortés, Javier Dies, Jerónimo García, Jesus Izquierdo, Joan Fontanet

Spectral Energy Transfer, Generation of Zonal Flows and Their Role in Confinement Transitions

Michael G. Shats, Hua Xia, Horst Punzmann, Wayne M. Solomon

Observation of H-Mode Operation Windows for ECH Plasmas in Heliotron J

F. Sano, T. Mizuuchi, K. Nagasaki, H. Okada, S. Kobayashi, K. Kondo, K. Hanatani, Y. Nakamura, M. Nakasuga, S. Besshou, S. Yamamoto, M. Yokoyama, Y. Suzuki, Y. Manabe, H. Shidara, T. Takamiya, Y. Ohno, Y. Nishioka, H. Yukimoto, K. Takahashi, Y. Fukagawa, H. Kawazome, M. Kaneko, S. Tsuboi, S. Nakazawa, S. Nishio, M. Yamada, Y. Ijiri, T. Senju, K. Yaguchi, K. Sakamoto, K. Tohshi, M. Shibano, V. Tribaldos, F. Tabares, T. Obiki

Plasma Potential Measurements by the Heavy Ion Beam Probe Diagnostic in Fusion Plasmas: Biasing Experiments in the TJ-II Stellarator and T-10 Tokamak

A. V. Melnikov, C. Hidalgo, A. A. Chmyga, N. B. Dreval, L. G. Eliseev, S. M. Khrebtov, A. D. Komarov, A. S. Kozachok, L. I. Krupnik, I. Pastor, M. A. Pedrosa, S. V. Perfilov, K. McCarthy, M. A. Ochando, G. Van Oost, C. Silva, B. Goncalves, Yu. N. Dnestrovskij, S. E. Lysenko, M. V. Ufimtsev, V. I. Tereshin

Removal of Impurity Ions from Helical Devices by a Trapping/Detrapping Process

Oleksandr Yu. Antufyev, Alexander A. Shishkin

Physical Aspects and Design of the Wendelstein 7-X Divertor

Hermann Renner, Devendra Sharma, Johann Kißlinger, Jean Boscary, Heinz Grote, Ralf Schneider

Electron Bernstein Wave Heating Calculations for TJ-II Plasmas

Francisco Castejón, Maxim A. Tereshchenko, Karen A. Sarksyan, Ángela Fernández, Álvaro Cappa, G. M. Batanov, A. S. Sakharov, Romualdo Martín

The Design of an Electron Bernstein Wave Heating System for the TJ-II Stellarator

Ángela Fernández, Karen A. Sarksyan, Nicolai V. Matveev, Francisco Castejón, Álvaro Cappa, Nicolai K. Kharchev, Maxim A. Tereshchenko, N. N. Starshinov, Romualdo Martín

Three-Dimensional Full-Wave Propagation Code for Cold Plasma

Pavel Popovich, W. Anthony Cooper, Laurent Villard

Penetration Studies for Deuterium Pellets in Wendelstein 7-AS

Jürgen Baldzuhn, Larry Robert Baylor, James F. Lyon, W7-AS Team

Topics and Methods for Data Validation by Means of Bayesian Probability Theory

Andreas Dinklage, Rainer Fischer, Jakob Svensson

Magnetohydrodynamic Stability of Free-Boundary Quasi-Axisymmetric Stellarator Equilibria with Finite Bootstrap Current

Wilfred Anthony Cooper, Sergi Ferrando i Margalet, Simon J. Allfrey, Johann Kißlinger, Horst F. G. Wobig, Yoshiro Narushima, Shoichi Okamura, Chihiro Suzuki, Kiyomasa Y. Watanabe, Kozo Yamazaki, Maxim Yu. Isaev

Engineering Design Study of Quasi-Axisymmetric Stellarator with Low Aspect Ratio

Keisuke Matsuoka, Shoichi Okamura, Shin Nishimura, Mitsutaka Isobe, Chihiro Suzuki, Akihiro Shimizu, Nobuo Tanaka, Mitsuru Hasegawa, Hideji Naito, Kazuhiro Urata, Yutaka Suzuki, Tadanori Tsukamoto

Analysis of the Magnetic Field Perturbations During the Assembly of Wendelstein 7-X

T. Andreeva, T. Bräuer, M. Endler, J. Kißlinger, Yu. Igitkhanov

The Helias Reactor Concept: Comparative Analysis of Different Field Period Configurations

Tamara Andreeva, Craig D. Beidler, Ewald Harmeyer, Yuri L. Igitkhanov, Yaroslav I. Kolesnichenko, Vadym V. Lutsenko, Alexander Shishkin, Franz Herrnegger, Johann Kißlinger, Horst F. G. Wobig

Operational Windows for Dry-Wall and Wetted-Wall IFE Chambers

F. Najmabadi, A. R. Raffray, ARIES-IFE Team: S. I. Abdel-Khalik, L. Bromberg, L. A. El-Guebaly, D. Goodin, D. Haynes, J. Latkowski, W. Meier, R. Moore, S. Neff, C. L. Olson, J. Perkins, D. Petti, R. Petzoldt, D. V. Rose, W. M. Sharp, P. Sharpe, M. S. Tillack, L. Waganer, D. R. Welch, M. Yoda, S. S. Yu, M. Zaghloul

Dry-Wall Survival Under IFE Conditions

A. R. Raffray, L. El-Guebaly, G. Federici, D. Haynes, F. Najmabadi, D. Petti, ARIES-IFE Team

Thermo Fluid Dynamics and Chamber Aerosol Behavior for Thin Liquid Wall Under IFE Cyclic Operation

A. R. Raffray, S. I. Abdel-Khalik, D. Haynes, F. Najmabadi, P. Sharpe, M. Yoda, M. Zaghloul, ARIES-IFE Team

An Investigation of the Fluid Dynamics Aspects of Thin Liquid Film Protection Schemes for Inertial Fusion Energy Reactor Chambers

M. Yoda, S. I. Abdel-Khalik, ARIES-IFE Team

Impact of Beam Transport Method on Chamber and Driver Design for Heavy Ion Inertial Fusion Energy

D. V. Rose, D. R. Welch, C. L. Olson, S. S. Yu, S. Neff, W. M. Sharp, ARIES-IFE Team

Design Requirements and Options for Final Focusing Superconducting Magnets of Heavy Ion Drivers

L. Bromberg, ARIES-IFE Team

Feasibility of Target Material Recycling as Waste Management Alternative

L. El-Guebaly, P. Wilson, D. Henderson, A. Varuttamaseni, ARIES-IFE Team

Development of ITER Divertor Vertical Target with Annular Flow Concept - I: Thermal-Hydraulic Characteristics of Annular Swirl Tube

K. Ezato, M. Dairaku, M. Taniguchi, K. Sato, S. Suzuki, M. Akiba, C. Ibbott, R. Tivey

Development of ITER Divertor Vertical Target with Annular Flow Concept - II: Development of Brazing Technique for CFC/CuCrZr Joint and Heating Test of Large-Scale Mock-Up

K. Ezato, M. Dairaku, M. Taniguchi, K. Sato, S. Suzuki, M. Akiba, C. Ibbott, R. Tivey

Ice Formation and Pressurization Under Low Pressure in Cryostat

Yuichiro Yamashita, Takehiko Yokomine, Shinji Ebara, Akihiko Shimizu

Computer Simulation of Tritium Inventory and Leakage of the Fusion Experimental Reactor FEB-E

Baiquan Deng, Zaixin Li, Jinhua Huang, Tao Yuan

Tritium Release Behavior from Li₄SiO₄

Tomohiro Kinjyo, Masabumi Nishikawa

Primary Breakup in Turbulent Liquid Films on Downward-Facing Surfaces

B. T. Shellabarger, S. G. Durbin, M. Yoda, S. I. Abdel Khalik, D. L. Sadowski

Experimental Observation and Theoretic Analysis MHD Effects of a Liquid Metal Jet in a Gradient Magnetic Field

Zengyu Xu, Chanjie Pan, Weishan Kang