Published Data
These pages provide an access point to data contained in CCFE published journal papers. By selecting a paper, and then a specific figure or table, you can request the related underlying data if it is available for release.
Publication Figures
Publication Date:
2018-07-10
First Author:
K.G. McClements
Title:
Observations and modelling of ion cyclotron emission observed in JET plasmas using a sub-harmonic arc detection system during ion cyclotron resonance heating
Paper Identifier:
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| Figure Reference | Title | Description | Number of Figure Data Items | Identifier | Download Figure Details | ||
|---|---|---|---|---|---|---|---|
| Figure 1 | SHAD diagram | This diagram shows the integration of the Sub-Harmonic Arc Detection (SHAD) system in the JET A2 C and D antenna system. C and D antennas can be fed independently, or in the so-called conjugate T configuration, where C (shown in grey) and D antenna straps are fed in parallel. | 0 | CF/18/83 | Download | ||
| Figure 2 | Transmission line frequency response | The upper part of this figure shows the calculated voltage in the transmission line for a 1V signal entering antenna D straps (C and D fed independently) with the matching elements tuned for operation at 51.53 MHz. The green bars show the frequencies at which ion cyclotron emission was recorded in a series of pulses with the same antenna system configuration. The lower part of the figure shows a zoom on the peak at 19.2 MHz. The width of the peak (which is related to the quality factor of the RF cavity), 80 kHz in this case, depends essentially on the losses at the antenna straps. | 0 | CF/18/84 | Download | ||
| Figure 5 | ICE in pulse #79363 | The upper plot shows the temporal evolution of the maximum ICE intensity recorded using the SHAD system following the triggering of ICE detection in JET pulse #79363. Time is measured from the triggering of ICE detection at 6.9s. The lower plot shows the ICE spectrum at the time of the maximum recorded intensity (t = 6.95s). | 2 | CF/18/87 | Download | ||
| Figure 6 | ICE in pulse #79365 | Upper plot: temporal evolution of maximum ICE intensity recorded using the SHAD system following the triggering of ICE detection in JET pulse #79365. Time is measured from the triggering of ICE detection at 16.5$,$s. Lower plot: ICE spectrum at the time of maximum recorded intensity (t = 16.51s). | 0 | CF/18/90 | Download | ||
| Figure 10 | He-3 fast ion orbits | Orbits projected onto the poloidal plane of He-3 ions initially at R =3.1m and with purely vertical velocities in the reconstructed equilibrium magnetic field of JET pulse #79363, t = 6.9s (red curves). The particles have energies and initial mormalised minor radii of (a) E = 2 MeV, s = 0.66, and (b) E = 10 MeV, s = 0.16. The black contours are flux surfaces, and the blue curves indicates the confined plasma boundary. | 0 | CF/18/94 | Download | ||
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