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# PUBLIC RELEASE 1998 #
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   JET_38285_com.dat  ITER Profile Database:  datasets prepared 
   by Pam Stubberfield,  April 1997

   JET shot 38285 (2.5T, 2.5MA) is an ELMy H-mode shot with high gas fuelling
   obtained in the new JET pump divertor configuration. Plasma is deuterium.
   The plasma is in a single-null X-point configuration with the ion gradB
   drift pointing towards the X-point.
   About 6.0MW of 80KV/D and 6.0MW of 140KV/D neutral beam heating is
   turned on at 54 secs. The beam heating is decreased from 59 secs
   and finally ceases at 60 secs.

   The dataset files in this subdirectory were prepared from TRANSP run O704 
   taking into account the up-down asymmetry of the plasma, run by Bernard
   Balet on 23 January 1997 on the IBM JAC-2 RS6000 workstation based on
   JET shot 38285 taken on 30 August 1996. 
   All these files have been prepared according to the Standard list of
   Variables and File Format manual by D.Boucher (7 December 1995). Tools
   to produce these files from a TRANSP run were provided by Stan Kaye
   of PPPL. These have only been modified slightly to run on the RS6000
   UNIX workstation and to add 40 secs to all time axes.
   There are 23 1-D Ufiles and 34 2-D Ufiles.  All beam related quantities
   (energy, particle sources, currents etc) have been smoothed to
   suppress Monte-Carlo noise.

   In the file JET_38285_0d.dat data is given at 58.39 secs.
   At that time, there is 11.5MW of beam heating and the plasma is 
   in a steady ELMy H-mode phase. 

   Values for kappa and delta in the 0d, 1d and 2d files are from the TRANSP
   output derived from the boundary input definition provided by EFIT.
        kappa = (Zmax-Zmin)/(Rmax-Rmin):   delta = (RGEO - R(Zmax))/a
   XPLIM is from XLOC ; SEPLIM is given by EFIT.
   PLTH is defined by WTH/TAUTH coming directly from TRANSP output and not 
   as defined in the standard list of variables. The 1d files for IP,VSURF 
   and IBOOT have negative values as normal for JET. 
  
   Some comments on this particular TRANSP run O704:
   25ms analysis time resolution: VMEC equilibrium LEVGEO = 6  
   Up-down asymmetric boundary definition obtained from the EFIT program
   No sawteeth events are taken into account in the simulation
   Ti profile  from CX measurements is provided.
   Te profile vs. radius is from LIDAR measurements.
   Ne profile from LIDAR measurements 
   1D bulk radiation is used in the analysis. 
   Rotation velocity profile from CX measurements is provided.
   Zeff profile and Zimp vs time are provided from CX measurements
   Edge ptcl confinement time is set to 1s.
   Bootstrap current on NLBOOT = T ; impose q(0) = 1.1 to start
   Neoclassical beam driven current
 
   The TRANSP run O704 gives a simulated W_dia 2.4% lower than
   the measured value and a simulated neutron yield 40% higher than
   the measured one at 58.39 secs.

   Publication:
   Matthews G., et al EPS Berchtesgarten 1997