tftr_105294_com.dat = comments file for ITPA WDB Profile Database submission

  Tokamak: TFTR

  Pulse number: 105294

Shot description, purpose of the shot: 
   This is a D-NBI L-mode (in the sense that Ti is close to Te
   and there is no L-H transition).

  Contact persons: Robert Budny (budny@princeton.edu)

  Institution: PPPL

  Date of shot: 19970501

  Time of interest = 4.5 s

  Analysis codes: TRANSP

  Run number: 105294A05 done at PPPL

  Date of analysis: 20051107 TRANSP run by Robert Budny

 Assumptions for analysis:
   Ne(r,t) from 10-chord interferometer (MIRI).
   Te(r,t) from ECE polychrometer.
   Te and Ne have short temporal smoothing, about 15 
   Ti(r,t), v_phi(r,t), and n_Carbon(r,t) from CXRS (CHERS).
   The Ti is raggedy.
   Zeff(r,t) from n_Carbon during NBI phase, VB otherwise.
   Evolving boundary taken from magnetics
   NM1, NM2, NN3 files for H, D, and impurity thermal ions

 Additional information:
   This is a beam-heated deuterium L-mode discharge at 4.8 Tesla,
   2.0 MA beam-torque sequence TOR1.  
   This shot was heated with 3 co-directed source3 and 3 counter-directed sources.
   The performance in this shot can be compared with other members of the 
   scan which match either the beam power or the total stored energy,
   but which have different net beam torque and toroidal rotation speed.
   The challenge for proposed transport models is to reproduce the 
   confinement trends with beam directionality; tauE reaches a minimum 
   with counter-dominated injection and increases either as one proceeds to pure 
   counter injection or toward co-dominated injection.  

.  Because this is a rather low temperature L-mode shot at moderate density,
   ion-electron power coupling would be strong even for rather small temperature
   differentials (Ti-Te).  
   Thus, experimental uncertainties in the measured Ti-Te corresponds to
   large uncertainties in Qei and so the kinetic measurements do not resolve 
   very well the ion and electron power balances, i.e. the 1-fluid
   diffusivity is well determined but not chie and chii.
  
 Publications:
   1) Member of sequence TOR1 in S. Batha et al., 
     "Effect of rotation on confinement",presented at the 24th EPS Conferenc   
      on Controlled Fusion and Plasma Physics.
      To be published in conference proceedings. Paper is available at
      http://w3.pppl.gov/tftr/info/EPS97/eps97-batha-paper.pdf
      Poster material is available on the web at
      http://w3.pppl.gov/tftr/info/EPS97/eps97-batha.pdf
   2) See also Scott et al., "Effects of Flow Shear on L-mode 
      Plasmas Confinement in TFTR", presented at the 1997 TTF meeting. 
   3) For details of TRANSP analysis applies to TFTR shots, see R.Budny, 
      "A STANDARD DT SUPERSHOT SIMULATION"
      Nuclear Fusion <34>, p1247 (1994)