TITLE

Measurements of nonthermal confined alpha particles in Tokamak Fusion Test Reactor D-T plasmas (invited)

AUTHOR(S)
Stratton, B.C.; Budny, R. V.; Duong, H. H.; Mansfield, D. K.; Medley, S.S.; Redi, M. H.; Fonck, R. J.; McKee, G. R.; Odblom, A.; Wising, F.; Fisher, R. K.; McChesney, J. M.; Parks, P. B.; Petrov, M.P.; Gorelenkov, N. N.
PUB. DATE
January 1997
SOURCE
Review of Scientific Instruments;Jan1997, Vol. 68 Issue 1, p269
SOURCE TYPE
Academic Journal
DOC. TYPE
Article
ABSTRACT
Presents a summary of the experience with the alpha charge exchange recombination spectroscopy (alpha-CHERS) and pellet charge exchange confined, nonthermal alpha particle diagnostics over the first two years of Tokamak test fusion reactor D-T operation. Concept, instrumentation and analysis of alpha-CHERS; Examples of alpha-CHERS measurements.
ACCESSION #
630696

 

Related Articles

  • Alpha-CHERS: A spectroscopic experiment to detect nonthermal alpha particles on TFTR. Stratton, B. C.; Fonck, R. J.; Kim, Y. J.; McKee, G.; Thorson, T. // Review of Scientific Instruments;Oct92, Vol. 63 Issue 10, p5179 

    A spectroscopic diagnostic for measurement of slowing-down alpha particles is under development and will be implemented for D-T operation of the Tokamak Fusion Test Reactor. The visible 468.6 nm He[sup +] line (n=3-4) is excited by charge exchange recombination of alphas with a heating neutral...

  • Optical diagnostic to measure ion temperature and parallel velocity fluctuations on the Tokamak... Evensen, H.T.; Durst, R.; Fonck, R.J.; Paul, S.F. // Review of Scientific Instruments;Jan1995, Vol. 66 Issue 1, p845 

    Develops a high-frequency charge exchange recombination spectroscopy diagnostic (HF-CHERS) to give localized measurements of ion temperature and parallel velocity microturbulence in the plasma core of the Tokamak Fusion Test Reactor (TFTR). Interference filter spectrometer used in the HF-CHERS;...

  • Alpha diagnostics using pellet charge exchange: Results on the Tokamak Fusion Test Reactor and prospects for ITER Fisher, R. K.; Duong, H. H.; McChesney, J. M.; Parks, P. B.; Medley, S. S.; Budny, R. V.; Mansfield, D. K.; Roquemore, A. L.; Petrov, M.P.; Gorelenkov, N. N. // Review of Scientific Instruments;Jan1997, Vol. 68 Issue 1, p336 

    Describes the diagnostic capabilities of pellet charge exchange demonstrated on the Tokamak Fusion Test Reactor (TFTR) and discusses the prospects for applying this technique to the International Thermonuclear Experimental Reactor. Energy distribution of alpha particles in the plasma core of...

  • Improvements in the CHERS system for DT experiments on TFTR. Bush, C.E.; Bell, R.E.; Synakowski, E.J. // Review of Scientific Instruments;Feb1995, Vol. 66 Issue 2, p1193 

    Describes modifications made to the charge exchange recombination spectroscopy (CHERS) system for deuterium/tritium experiments on the tokamak fusion test reactor. Structure of the CHERS system; Relocation of the spectrometer, the photon/neutron sensitive diode array, and all electronics;...

  • High time resolution ion temperature profile measurements on PBX. Gammel, G.; Kaita, R.; Fonck, R.; Jaehnig, K.; Powell, E. // Review of Scientific Instruments;Aug1986, Vol. 57 Issue 8, p1800 

    Ion temperature profiles with a time resolution of 2-5 ms have been measured on the Princeton Beta Experiment tokamak (PBX) by charge-exchange recombination spectroscopy (CXRS) and a neutral, particle charge-exchange analyzer (NPA). The sightlines of both diagnostics crossed the trajectory of a...

  • Improved charge-coupled device detectors for high-speed, charge exchange spectroscopy studies on the DIII-D tokamak. Burrell, K. H.; Gohil, P.; Groebner, R. J.; Kaplan, D. H.; Robinson, J. I.; Solomon, W. M. // Review of Scientific Instruments;Oct2004 Part I & II, Vol. 75 Issue 10, p3455 

    Charge exchange spectroscopy is one of the key ion diagnostics on the DIII-D tokamak. It allows determination of ion temperature, poloidal and toroidal velocity, impurity density, and radial electric field Er throughout the plasma. For the 2003 experimental campaign, we replaced the intensified...

  • Method for neutral spectra analysis taking ripple-trapped particle losses into account. Dnestrovskij, A.Yu.; Bengtson, Roger D.; Ouroua, A.; Karzhavin, Yuri // Review of Scientific Instruments;Jan1995, Vol. 66 Issue 1, p363 

    Proposes an analysis technique of charge exchange neutral spectra to obtain ion temperatures of a tokamak plasma. Modeling of the deviation of ion distribution; Analysis code used to analyze active charge exchange data.

  • Multichordal charge exchange recombination spectroscopy on Doublet III (abstract). Seraydarian, R. P.; Burrell, K. H.; Kahn, C. // Review of Scientific Instruments;May85, Vol. 56 Issue 5, p872 

    Single shot, multipoint ion temperature and plasma rotation profiles have been routinely obtained on the Doublet III tokamak for 32 consecutive time slices with 20-ms resolution. A six-chord tangentially viewing spectroscopic diagnostic has been built to look at radiation emitted by fully...

  • Investigating the possibility of a monitoring fast ion diagnostic for ITER. De Angelis, R.; von Hellermann, M. G.; Orsitto, F. P.; Tugarinov, S. // Review of Scientific Instruments;Oct2008, Vol. 79 Issue 10, p10E517 

    In burning plasma fusion devices, fast ion transport plays a central role in the performances of the machines. Moreover the losses of energetic particles might cause severe damages on plasma facing components. Therefore real time measurements of fast ion transport would provide valuable...

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