TITLE

Numerical simulation research of a high-current ion source extraction system for nuclear fusion

AUTHOR(S)
Wang, H.S.; Jian, G.D.; Jiang, S.F.
PUB. DATE
March 1996
SOURCE
Review of Scientific Instruments;Mar96, Vol. 67 Issue 3, p1067
SOURCE TYPE
Academic Journal
DOC. TYPE
Article
ABSTRACT
Characterizes the beam optics of a high-current ion source extraction system for nuclear fusion research via numerical simulation. Effect of ion source plasma parameters on initial emission conditions; Degradation of beam optical characteristic when ion temperature is increased; Sensitivity of the effect of first-electrode geometry on the beam optics.
ACCESSION #
4367213

 

Related Articles

  • Diagnostics for FIRE: A status report. Young, Kenneth M. // Review of Scientific Instruments;Mar2003, Vol. 74 Issue 3, p1761 

    The mission for the proposed fusion ignition research experiment (FIRE) device is to "attain, explore, understand and optimize fusion-dominated plasmas." Operation at Q≥5, for 20 s with a fusion power output of ∼150 MW is the major goal. Attaining this mission sets demands for plasma...

  • The ISOL-MAFIOS Source (invited). Geller, R.; Tamburella, C.; Belmont, J.L. // Review of Scientific Instruments;Mar96, Vol. 67 Issue 3, p1281 

    Discusses information about the ISOL-MAFIOS ion source. Reduction of cold wall sticking in the piafe ISOL system; Multifunctions of the ISOL-MAFIOS plasma catcher; Principle behind the transformation of an ion beam into a thermalized ion inside a plasma; Electrostatic potential profile; Release...

  • Characterization of plasma ion source utilizing anode spot with positively biased electrode for stable and high-current ion beam extraction. Park, Yeong-Shin; Lee, Yuna; Chung, Kyoung-Jae; Hwang, Y. S. // Review of Scientific Instruments;Dec2011, Vol. 82 Issue 12, p123303 

    The operating conditions of a rf plasma ion source utilizing a positively biased electrode have been investigated to develop a stably operating, high-current ion source. Ion beam characteristics such as currents and energies are measured and compared with bias currents by varying the bias...

  • Effects of sheath potential of source plasma on characteristics of low energy beam extraction. Ueda, Yoshio; Sakashita, Yoshiaki; Yoshikawa, Takafumi; Isobe, Michiro; Nishikawa, Masahiro; Goto, Seiichi // Review of Scientific Instruments;Aug1994, Vol. 65 Issue 8, p2587 

    In order fo obtain a high brightness ion beam from a plasma ion source in the low energy region (150 eV), the effects of sheath potential on the ion beam characteristics such as beam divergence and brightness have been studied experimentally. A bucket-type ion source (magnetic multicusp ion...

  • Simulation study on ion extraction from electron cyclotron resonance ion sources. Fu, S.; Kitagawa, A.; Yamada, S. // Review of Scientific Instruments;Apr94, Vol. 65 Issue 4, p1435 

    In order to study beam optics of NIRS-ECR ion source used in the HIMAC project, the EGUN code has been modified to make it capable of modeling ion extraction from a plasma. Two versions of the modified code are worked out with two different methods in which 1D and 2D sheath theories are used,...

  • 2D surface temperature measurement of plasma facing components with modulated active pyrometry. Amiel, S.; Loarer, T.; Pocheau, C.; Roche, H.; Gauthier, E.; Aumeunier, M.-H.; Le Niliot, C.; Rigollet, F.; Courtois, X.; Jouve, M.; Balorin, C.; Moncada, V. // Review of Scientific Instruments;2014, Vol. 85 Issue 10, p1 

    In nuclear fusion devices, such as Tore Supra, the plasma facing components (PFC) are in carbon. Such components are exposed to very high heat flux and the surface temperature measurement is mandatory for the safety of the device and also for efficient plasma scenario development. Besides this...

  • Microwave-driven multipurpose ion source. Jayamanna, K.; Yuan, D.; Kuo, T.; McDonald, M.; Schmor, P.W.; Dutto, G. // Review of Scientific Instruments;Mar96, Vol. 67 Issue 3, p1061 

    Reports on the development of a microwave-driven multipurpose ion source. Schematic diagram of the experimental set-up; Dependence of the plasma ignition on the design of the electric field cavity; Measurement of beam current and gas efficiency; Long-term stability measurement.

  • Design parameters, goals, and status of the new ATLAS ECR ion source. Pardo, R.C.; Harkewicz, R.; Billquist, P.J.; Lyneis, C.M.; Xie, Z.Q. // Review of Scientific Instruments;Mar96, Vol. 67 Issue 3, p1180 

    Describes the electron cyclotron resonance ion source being developed for the Atlas facility in Berkeley, California. Floor plan; Gigahertz frequency of plasma heating; Transverse optics of the source analysis system; Components of the plasma chamber.

  • Long-pulse arc-discharge plasma source with cold cathode for diagnostic neutral beam injector. Deichuli, P. P.; Ivanov, A. A.; Stupishin, N. V. // Review of Scientific Instruments;Feb2008, Vol. 79 Issue 2, p02C106 

    Long-pulse cold cathode arc-discharge plasma generators have been successfully used as high-quality hydrogen ion sources for plasma diagnostic neutral beams. One of the main advantages of this type of plasma source is a high proton fraction (80%–90%). However, the lifetime of the plasma...

Share

Read the Article

Courtesy of THE LIBRARY OF VIRGINIA

Sorry, but this item is not currently available from your library.

Try another library?
Sign out of this library

Other Topics