jet_42762_com.dat = comments file for ITPA WDB Profile Database submission Tokamak: JET Pulse number: 42762 Shot description, purpose of the shot: ELMy with high DT fusion rate and yield Contact persons: Robert Budny (budny@princeton.edu) Institution: EFDA-JET Date of shot: 19970930 Time of interest = 15.0s (55.0s in JET PPF time) for peak neutron emission Analysis codes: TRANSP and EFIT (for plasma boundary) Run number: 42762C12 done at PPPL, stored at JET and on mdsplus server Date of analysis: 20080319 by Robert Budny This is a resubmission fixing VROTM Assumptions made for analysis: 50 Zones Up/down asymmetric boundary given by EFIT. Ti, toroidal rotation velocity, and Zeff profiles from CX measurements. Te and Ne profiles from LIDAR measurements. 1D bulk radiation is used in radiation emission. Particle confinement time is calculated from source rates. q profile calculated in TRANSP from poloidal field diffusion and a sawtooth mixing model. Additional information: Pulse #42762 had a high DT fusion energy yield with W_DT = 13.4 MJ. The main heating power was a mix of D and T NBI. H-minority ICRH of 2.0MW with phasing -90,+90,-90,+90 degrees was also used. The direction of the toroidal field and plasma current were in the normal JET direction - clockwise viewed from above. The NBI voltages were 150 keV for 8 beams, and 80 keV for 8 5000 Monte-Carlo ions were assumed for the beam ions and fast fusion alpha particles to minimize noise. In the file JET_42762_2d.dat data NM1, NM2, and NM3 are the caclulated densities of D, T, and average impurity ions. In the file JET_42762_0d.dat data is given at 15.0 secs. Values for elongation and triangularity in the 0d, 1d and 2d files are from the TRANSP output derived from the boundary input definition provided by EFIT. KAPA = (Zmax-Zmin)/(Rmax-Rmin), DELTA = (RGEO - min(R(zmin),R(Zmax)))/a XPLIM and SEPLIM are given by EFIT. as defined in the standard list of variables. The TRANSP run gives a simulated W_dia in good agreement with the measured values, and a neutron emission rate in good agreement with the measured values up to 15.0s, then 10% higher until the end of tne NBI. Publications: 1) For a general description of 42762 see L.D.Horton, et al. Nuclear Fusion <39> (1999) 993. 2) For an analysis of transport and use of the TRANSP code for 42762 and other JET ELMy H-mode plasmas see R.V.Budny, et al., "Local transport in Joint European edge-localized high-confinement mode plasmas with H, D, DT, and T isotopes", Phys. of Plasmas <7> (2000) 5038