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Featured researches published by F. Sano.


Nuclear Fusion | 1996

Energy confinement scaling from the international stellarator database

U. Stroth; M. Murakami; R. A. Dory; H. Yamada; S. Okamura; F. Sano; T. Obiki

An international stellarator database on global energy confinement is presented. It comprises a total of 859 discharges from the ATF, CHS and Heliotron-E heliotron/torsatrons and the W7-A and W7-AS shearless stellarators. Some design aspects and operation techniques of the different devices are discussed. The data in the database represent electron cyclotron heated (ECH) and neutral beam injection (NBI) heated discharges in the L mode confinement regime. Results from enhanced confinement regimes such as H mode will be reported elsewhere. Regression expressions for the energy confinement time are given for the individual devices, for the subsets of heliotron/torsatrons and shearless stellarators and for the combined dataset. The combined scaling ISS-95 is found to describe satisfactorily a large tokamak L mode dataset. The aspects of comparing stellarator and tokamak data are discussed on the basis of various scaling expressions. In order to make this database available to interested colleagues, the structure of the database, which is described in detail, is organized in a similar way as the ITER confinement databases


Archive | 1996

Observations of impurities in the Heliotron E plasma.

Chris A. Christou; Ken-Ichi Kondo; F. Sano; H. Zushi; T. Mizuuchi; S. Besshou; Hiroyuki Okada; Keizo Nagasaki; Yoshinori Kurimoto; H. Funaba; A. Isayama; Takeo Hamada; Yasuo Y. Suzuki; Takeo Kinosita; S. Kado; Hajime Sugai; M. Yamagae; Masahiro Wakatani; T. Obiki


Annual Report of National Institute for Fusion Science | 2015

Exploration and Comparison of Physical Mechanisms Related to the Dynamic Evolution of Density Profiles in the Toroidal Confinement Devices

T. Fukuda; R. Takai; E. Narita; K. Hamada; H. Kiyonaga; F. Sano; T. Mizuuchi; S. Kobayashi; T. Minami; Hiroyuki Okada; K. Nagasaki; T. Mutoh; Y. Nagayama; K. Tanaka; K. Mukai; K. Ida


Annual Report of National Institute for Fusion Science | 2015

ECRH Effect on Fast Ion Pitch Angle Scattering Process

Y. Kurimoto; H. Funaba; T. Hamada; T. Kinoshita; H. Zushi; F. Sano; K. Kondo; T. Mizuuchi; S. Besshou; Hiroyuki Okada; K. Nagasaki; C. Christou; T. Obiki; A. Isayama; B.J. Peterson


Annual Report of National Institute for Fusion Science | 2015

Electron Bernstein Wave Measurement in Consideration of Finite Beam Width

H. Igami; K. Nagasaki; F. Sano; T. Mizuuchi; S. Ohshima; T. Minami; S. Yamamoto; S. Kobayashi; Hiroyuki Okada; Y. Nakamura; F. Volpe; S. Kubo; T. Shimozuma; Y. Yoshimura; H. Takahashi; T. Mutoh


Annual Report of National Institute for Fusion Science | 2015

Physics of Electron Cyclotron Current Drive and Control of Rotational Transform

K. Nagasaki; T. Mizuuchi; Hiroyuki Okada; T. Minami; S. Kado; Kai Masuda; S. Kobayashi; S. Yamamoto; S. Ohshima; F. Sano; F. Volpe; A. Cappa; Y. Yoshimura; T. Mutoh; K. Ida; S. Kubo; T. Shimozuma; H. Igami; H. Takahashi; G. Motojima; K. Mukai; K. Ogawa; K. Toi


Annual Report of National Institute for Fusion Science | 2015

A Novel Electron Density Reconstruction Method in Heliotron J

N. Shi; K. Tanaka; S. Ohshima; T. Minami; K. Nagasaki; Y. Ohtani; F. Sano; T. Mizuuchi


Annual Report of National Institute for Fusion Science | 2015

International Stellarator Database

H. Yamada; U. Stroth; M. Murakami; F. Sano; S. Okamura; R. A. Dory; T. Obiki


Annual Report of National Institute for Fusion Science | 2015

Radial Electric Field Control by Electrode Biasing in Heliotron J

S. Kitajima; Atsushi Okamoto; K. Ishii; Y. Sato; Jo Tachibana; Satoshi Koike; Toshihiro Oku; K. Shimizu; Masakazu Takayama; F. Sano; T. Mizuuchi; K. Nagasaki; Hiroyuki Okada; S. Kobayashi; S. Yamamoto; S. Ohshima; Y. Suzuki; M. Yokoyama; H. Takahashi


Annual Report of National Institute for Fusion Science | 2015

Studies of Lost Energetic Ions Caused by Alfv?n Eigenmodes in Helical Plasmas

K. Ogawa; M. Isobe; S. Yamamoto; S. Kobayashi; S. Ohshima; Hiroyuki Okada; T. Minami; K. Nagasaki; T. Mizuuchi; F. Sano; T. Sano; Y. Nakayama; D.S." Darrow

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S. Yamamoto

University of Miyazaki

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H. Funaba

Graduate University for Advanced Studies

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