Configuration flexibility and extended regimes in Large Helical Device (2008)
Yamada, H., Komori, A., Ohyabu, N., Kaneko, O., Kawahata, K., Watanabe, K. Y., ...
Recent experimental results in the Large Helical Device have indicated that a large pressure gradient can be formed beyond the stability criterion for the Mercier (high-n) mode. While the stability...
MHD characteristics in the high beta regime of the Large Helical Device (2008)
Sakakibara, S., Yamada, H., Watanabe, K., Narushima, Y., Toi, K., Ohdachi, S., ...
The highest volume averaged beta values beta (t) of 2.2% at B-t = 0.75 T (gas puff) and 2.4% at D-t = 1.3 T (pellet) in helical devices have been achieved in LHD. The beta (t) dependence of MHD...
Impact of heat deposition profile on global confinement of NBI heated plasmas in the LHD (2008)
Yamada, H., Murakami, S., Yamazaki, K., Kaneko, O., Miyazawa, J., Sakamoto, R., ...
Energy confinement and heat transport of net-current-free NBI heated plasmas in the large helical device (LHD) are discussed with emphasis on density and power deposition profile dependences....
Recent advances in the LHD experiment (2008)
Motojima, O., Ohyabu, N., Komori, A., Kaneko, O., Yamada, H., Kawahata, K., ...
In the first four years of the LHD experiment, several encouraging results have emerged, the most significant of which is that MHD stability and good transport are compatible in the inward shifted...
Review on the progress of the LHD experiment (2008)
Motojima, O., Yamada, H., Komori, A., Watanabe, K. Y., Mutoh, T., Takeiri, Y., ...
Recent progress in the Large Helical Device (LHD) experiment during the last 2 yr is reviewed. The LHD has been extending its operational regime toward fusion-relevant conditions while taking...
Effects of global MHD instability on operational high beta-regime in LHD (2008)
Watanabe, K. Y., Sakakibara, S., Narushima, Y., Funaba, H., Narihara, K., Tanaka, K., ...
In the Large Helical Device (LHD), the highest operational averaged beta value has been expanded from 3.2% to 4% in the last 2 years by increasing the heating capability and exploring a new magnetic...
Fluid features of the stochastic layer transport in LHD (2008)
Feng, Y., Kobayashi, M., Morisaki, T., Masuzaki, S., Miyazawa, J., Peterson, B. J., ...
Modelling of Impurity Transport in Ergodic Layer of LHD (2008)
Kobayashi, M., Feng, Y., Masuzaki, S., Morisaki, T., Ohyabu, N., Yamada, H., ...
MHD study of the reactor-relevant high-beta regime in the Large Helical Device (2008)
Sakakibara, S., Watanabe, K. Y., Suzuki, Y., Narushima, Y., Ohdachi, S., Nakajima, N., ...
Divertor transport study in the large helical device (2007)
Kobayashi, M., Feng, Y., Masuzaki, S., Shoji, M., Miyazawa, J., Morisaki, T., ...
Edge transport control with the local island divertor and recent progress in LHD (2007)
Kobayashi, M., Ohyabu, N., Mutoh, T., Kumazawa, R., Feng, Y., Shoji, M., ...
Shoji, M., Iwamae, A., Goto, M., Sakaue, A., Atake, M., Masuzaki, S., ...
Overview of Progress in LHD Experiments (2006)
Komori, A., Morisaki, T., Mutoh, T., Sakakibara, S., Takeiri, Y., Kumazawa, R., ...
Recent Progress of MHD Study in High-Beta Plasmas of LHD (2006)
Sakakibara, S., Watanabe, K. Y., Yamada, H., Narushima, Y., Yamaguchi, T., Toi, K., ...
Detachment Phenomena in LHD Compared to W7-AS (2006)
Miyazawa, J., Masuzaki, S., Yamada, H., Sakamoto, R., Peterson, B.J., Shoji, M., ...
Recent Progress of MHD Study in High-β Plasmas of LHD (2006)
Sakakibara, S., Watanabe, K. Y., Yamada, H., Narushima, Y., Yamaguchi, T., Toi, K., ...
Recent progress in Large Helical Device experiments (2006)
Komori, A., Morisaki, T., Mutoh, T., Sakakibara, S., Takeiri, Y., Kumazawa, R., ...
Recent Results of LID Experiment on LHD (2006)
Morisaki, T., Masuzaki, S., Kobayashi, M., Sakamoto, R., Tanaka, K., Narihara, K., ...
Self-sustained detachment observed in LHD and comparison with detachment and Marfe in W7-AS (2006)
Miyazawa, J., Masuzaki, S., Yamada, H., Sakamoto, R., Peterson, B.J., Shoji, M., ...
Recent Results of LID Experiment on LHD (2006)
Morisaki, T., Masuzaki, S., Kobayashi, M., Sakamoto, R., Tanaka, K., Narihara, K., ...
Experimental study of particle transport and density fluctuations in LHD (2006)
Tanaka, K, Michael, C, Sanin, AL, Vyacheslavov, LN, Kawahata, K, Murakami, S, ...
Global confinement scaling for high-density plasmas in the Large Helical Device (2006)
Miyazawa, J, Yamada, H, Murakami, S, Funaba, H, Inagaki, S, Ohyabu, N, ...
Self-sustained detachment in the Large Helical Device (2006)
Miyazawa, J, Masuzaki, S, Sakamoto, R, Arimoto, H, Kondo, K, Tamura, N, ...
Overview of progress in LHD experiments (2006)
Komori, A, Morisaki, T, Mutoh, T, Sakakibara, S, Takeiri, Y, Kumazawa, R, ...
Recent progress in large helical device experiments (2006)
Komori, A, Morisaki, T, Mutoh, T, Sakakibara, S, Takeiri, Y, Kumazawa, R, ...
Local island divertor experiments on LHD (2005)
Morisaki,T., Masuzaki,S., Komori,A., Ohyabu,N., Kobayashi,M., Feng,Y., ...
Confinement and MHD stability in the Large Helical Device (2005)
Motojima,O., Ida,K., Watanabe,K. Y., Nagayama,Y., Komori,A., Morisaki,T., ...
Overview of confinement and MHD stability in the Large Helical Device (2005)
Motojima,O., Ida,K., Watanabe,K. Y., Nagayama,Y., Komori,A., Morisaki,T., ...
This article based on the 2004 Fusion Energy Conference contributions (Vilamoura, Portugal, 1-6 November 2004)
Local island divertor experiments on LHD (2005)
Morisaki, T., Masuzaki, S., Komori, A., Ohyabu, N., Kobayashi, M., Feng, Y., ...
Confinement and MHD stability in the Large Helical Device (2005)
Motojima, O., Ida, K., Watanabe, K. Y., Nagayama, Y., Komori, A., Morisaki, T., ...
Overview of confinement and MHD stability in the Large Helical Device (2005)
Motojima, O., Ida, K., Watanabe, K. Y., Nagayama, Y., Komori, A., Morisaki, T., ...
Extension and its characteristics of ECRH plasma in the LHD (2004)
Kubo, Shin, Shimozuma, T., Yoshimura, Y., Notake, T., Idei, H., Inagaki, S., ...
One of the main objectives of the LHD is to extend the plasma confinement database for helical systems and to demonstrate such extended plasma confinement properties to be sustained in steady state....
Extension and its characteristics of ECRH plasma in the LHD (2004)
Kubo, Shin, Shimozuma, T., Yoshimura, Y., Notake, T., Idei, H., Inagaki, S., ...
One of the main objectives of the LHD is to extend the plasma confinement database for helical systems and to demonstrate such extended plasma confinement properties to be sustained in steady state....
Extension and its characteristics of ECRH plasma in the LHD (2004)
Kubo, Shin, Shimozuma, T., Yoshimura, Y., Notake, T., Inagaki, S., Yokoyama, M., ...
One of the main objectives of the LHD is to extend the plasma confinement database for helical systems and to demonstrate such extended plasma confinement properties to be sustained in steady state....
Extension and its characteristics of ECRH plasma in the LHD (2004)
Kubo, Shin, Shimozuma, T., Yoshimura, Y., Notake, T., Inagaki, S., Yokoyama, M., ...
One of the main objectives of the LHD is to extend the plasma confinement database for helical systems and to demonstrate such extended plasma confinement properties to be sustained in steady state....
Extension and its characteristics of ECRH plasma in the LHD (2004)
Kubo, Shin, Shimozuma, T., Yoshimura, Y., Notake, T., Inagaki, S., Yokoyama, M., ...
One of the main objectives of the LHD is to extend the plasma confinement database for helical systems and to demonstrate such extended plasma confinement properties to be sustained in steady state....
Extension and its characteristics of ECRH plasma in the LHD (2004)
Kubo, Shin, Shimozuma, T., Yoshimura, Y., Notake, T., Inagaki, S., Yokoyama, M., ...
One of the main objectives of the LHD is to extend the plasma confinement database for helical systems and to demonstrate such extended plasma confinement properties to be sustained in steady state....
Extension and its characteristics of ECRH plasma in the LHD (2004)
Kubo, Shin, Shimozuma, T., Yoshimura, Y., Notake, T., Idei, H., Inagaki, S., ...
One of the main objectives of the LHD is to extend the plasma confinement database for helical systems and to demonstrate such extended plasma confinement properties to be sustained in steady state....
Extension and its characteristics of ECRH plasma in the LHD (2004)
Kubo, Shin, Shimozuma, T., Yoshimura, Y., Notake, T., Idei, H., Inagaki, S., ...
One of the main objectives of the LHD is to extend the plasma confinement database for helical systems and to demonstrate such extended plasma confinement properties to be sustained in steady state....
Divertors for Helical Devices: Concepts, Plans, Results, and Problems (2004)
König,R., Grigull,P., McCormick,K., Feng,Y., Ehmler,H., Gadelmeier,F., ...
Effect of Neoclassical Transport Optimization on Energetic Ion Confinement in LHD (2004)
Murakami,H., Yamada,H., Sasao,M., Isobe,M., Ozaki,T., Saida,T., ...
MHD instabilities and their effects on plasma confinement in Large Helical Device plasmas (2004)
Toi,K., Ohdachi,S., Yamamoto,S., Nakajima,N., Sakakibara,S., Watanabe,K. Y., ...
Divertors for Helical Devices: Concepts, Plans, Results, and Problems (2004)
König, R., Grigull, P., McCormick, K., Feng, Y., Ehmler, H., Gadelmeier, F., ...
Effect of Neoclassical Transport Optimization on Energetic Ion Confinement in LHD (2004)
Murakami, H., Yamada, H., Sasao, M., Isobe, M., Ozaki, T., Saida, T., ...
MHD instabilities and their effects on plasma confinement in Large Helical Device plasmas (2004)
Toi, K., Ohdachi, S., Yamamoto, S., Nakajima, N., Sakakibara, S., Watanabe, K. Y., ...
Characterization of dust collected from ASDEX-Upgrade and LHD (2003)
Sharpe,J. P., Rohde,V., Sagara,A., Suzuki,H., Komori,A., ...
Dust has been collected and analyzed from Axial Symmetric Divertor Experiment-Upgrade (ASDEX-Upgrade) and the Large Helical Device (LHD). A total quantity of 984.4 mg of dust was collected from...
A demonstration of magnetic field optimization in LHD (2003)
Murakami,S., Yamada,H., Wakasa,A., Sasao,M., Isobe,M., Ozaki,T., ...
The behaviors of trapped particles in helical ripples are complicated and would enhance the radial transport of energetic particles and thermal plasma (neoclassical transport) in heliotrons. Thus the...
MHD instabilities and their effects on plasma confinement in the large helical device plasmas (2003)
Toi,K., Ohdachi,S., Yamamoto,S., Nakajima,N., Sakakibara,S., Watanabe,K. Y., ...
MHD stability of NBI heated plasmas and impacts of MHD modes on plasma confinement are intensively studied in the Large Helical Device (LHD). Three characteristic MHD instabilities were observed,...
Characterization of dust collected from ASDEX-Upgrade and LHD (2003)
Sharpe, J. P., Rohde, V., ASDEX Upgrade Team, Sagara, A., Suzuki, H., Komori, A., ...
Dust has been collected and analyzed from Axial Symmetric Divertor Experiment-Upgrade (ASDEX-Upgrade) and the Large Helical Device (LHD). A total quantity of 984.4 mg of dust was collected from...
A demonstration of magnetic field optimization in LHD (2003)
Murakami, S., Yamada, H., Wakasa, A., Sasao, M., Isobe, M., Ozaki, T., ...
The behaviors of trapped particles in helical ripples are complicated and would enhance the radial transport of energetic particles and thermal plasma (neoclassical transport) in heliotrons. Thus the...
MHD instabilities and their effects on plasma confinement in the large helical device plasmas (2003)
Toi, K., Ohdachi, S., Yamamoto, S., Nakajima, N., Sakakibara, S., Watanabe, K. Y., ...
MHD stability of NBI heated plasmas and impacts of MHD modes on plasma confinement are intensively studied in the Large Helical Device (LHD). Three characteristic MHD instabilities were observed,...