G. Telesca I. Ivanova-Stanik R. Zagórski S. Brezinsek A. Czarnecka P. Drewelow C. Giroud A. Huber S. Wiesen JET EFDA contributors
Five ELMy H-mode Ne seeded JET pulses have been simulated with the self-consistent core-SOL model COREDIV. In this five pulse series only the Ne seeding rate was changed shot by shot, allowing a thorough study of the effect of Ne seeding on the total radiated power and of its distribution between core and SOL to be made. The increase in the simulat…
PublishedI. Balboa S. Silburn P. Drewelow V. Huber A. Huber D. Kinna M. Price G. F. Matthews S. Collins J. Fessey M. Rack P. Trimble K.D. Zastrow
Recent improvements in software tools and methodology have allowed us to perform a more comprehensive in-vessel calibration for all mid-infrared camera systems at JET. A comparison of experimental methods to calculate the non-uniformity correction is described as well as the linearity for the different camera systems. Measurements of the temperatur…
Preprint PublishedA.G. Meigs S. Brezinsek M. Clever A. Huber S. Marsen C. Nicholas M.Stamp K-D Zastrow JET EFDA Contributors
For the ITER-like wall, the JET mirror link divertor spectroscopy system was redesigned to fully cover the tungsten horizontal strike plate with faster time resolution and improved near-UV performance. Since the ITER-like wall project involves a change in JET from a carbon dominated machine to a beryllium and tungsten dominated machine with residua…
PublishedA. Huber S. Brezinsek Ph. Mertens B. Schweer G. Sergienko et al.
A new endoscope with optimised divertor view has been developed in order to survey and monitor the emission of specific impurities such as tungsten and the remaining carbon as well as beryllium in the tungsten divertor of JET after the implementation of the ITER-like wall in 2011. The endoscope is a prototype for testing an ITER relevant design con…
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