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Volume 59 (1988)
- Issue 6 Pages 455-
- Issue 5 Pages 311-
- Issue 4 Pages 233-
- Issue 3 Pages 147-
- Issue 2 Pages 87-
- Issue 1 Pages 5-
Volume 59, Issue 5
Displaying 1-5 of 5 articles from this issue
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Kunioki Mima, Kazuo Imasaki1988 Volume 59 Issue 5 Pages 311-336
Published: May 20, 1988
Released on J-STAGE: March 04, 2011
JOURNAL FREE ACCESSPhysics and technology of free electron laser (FEL) are reviewed. Mechanisms of stimulated emission in FEL and its present status and future prospects are presented. Electromagnetic wiggler, two stage FEL and so on are also interpreted. Finally, accelerators and wigglers for FEL, recent FEL experiments and FEL applications are noted.View full abstractDownload PDF (2175K) -
Yoshi H. Ichikawa1988 Volume 59 Issue 5 Pages 337-361
Published: May 20, 1988
Released on J-STAGE: March 04, 2011
JOURNAL FREE ACCESSIn the part II, we discuss the reduction perturbation method, birth of solitons, the inverse scattering transformation for the Korteweg-de Vries equation, generalization of the inverse scattering transformation methods, propagation of the Alfvén solitons and soliton-like behaviour of vortex motion. Problems on chaos and stochasticity in nonlinear dynamics will be discussed in the part III.View full abstractDownload PDF (1980K) -
Yoshi H. Ichikawa1988 Volume 59 Issue 5 Pages 362-391
Published: May 20, 1988
Released on J-STAGE: March 04, 2011
JOURNAL FREE ACCESSIn the part III, we discuss chaotic behavior of Hamiltonian systems, referring to the standard mapping as a canonical example. In particular, symmetries of the area preserving two dimensional mapping are discussed in detail.View full abstractDownload PDF (3282K) -
Tatsuya Oohira, Kohichi Miyata, Toshiyuki Takagi, Kenzo Miya1988 Volume 59 Issue 5 Pages 392-402
Published: May 20, 1988
Released on J-STAGE: March 04, 2011
JOURNAL FREE ACCESSFerritic stainless steel is likely to prove extremely useful for a first wall of a fusion power reactor because of low rate of irradiation swelling. However it is magnetizable when it is used in magnetic field. As a consequence of magnetization it will receive magnetic body force and disturb magnetic field configuration suitably designed for plasma confinement. Then we are interested in a magnitude of the induced magnetic stress and the range of disturbed magnetic field.
Here we analysed induced magnetic induction and magnetic stress for a beam-plate considering nonlinearty of B-H relation. In addition, we studied the magnetomechanical behavior with both the experimental and the computational analysis. We found that the magnetic torque due to magnetization is small and the extent of the disturbed magnetic field due to a ferromagnetic body is limited.View full abstractDownload PDF (976K) -
Tomejiro Yamagishi1988 Volume 59 Issue 5 Pages 403-420
Published: May 20, 1988
Released on J-STAGE: March 04, 2011
JOURNAL FREE ACCESSA plasma confinement configuration of current carrying toroidal plasma with toroidal divertors, which may have the advantages of no major disruption and good confinement, is proposed. The local rotational transform of magnetic field lines and magnetic well in the toroidal divertor are calculated in a cylindrical model. The rotational transform sharply increases near the separatrix, which induces a large shear and significant reduction of the local safety factor. Stabilization of the pressure driven and drift modes by the magnetic well through the edge plasma confinement, and stabilization of the low (m, n) current driven kink and tearing modes by line tying effects in the toroidal divertor are discussed.View full abstractDownload PDF (1550K)
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