The Institute of Atomic Physics

Institute of Atomic Physics
Fusion Research Unit of the EURATOM/MEdC Association

2006 Annual Report of the
EURATOM-MEdC Association

CONTENTS

EXECUTIVE SUMMARY	ES-1
FUSION PLASMA PHYSICS
Interpretation and control of helical perturbations in tokamaks	1
Statistical physics for anomalous transport	15
The anomalous transport in turbulent plasmas	28
The investigation of discrepancy in Zeff measurements on the jet plasma. Simulation of the VUV plasma from the RFP EXTRAP T2R	48
Tokamak neutron diagnostics based on the superheated fluid detector (SHFD)	57
Sheath properties and related phenomena of the plasma wall interaction in magnetised plasmas. Application to ITER.	61
Upgrade of gamma-ray cameras - neutron attenuators	75
UNDERLYING TECHNOLOGY PROGRAMME 2006
Physics Integration
Complementary investigation on irradiated optical fibre	82
Magnet structure and integration
The development of MOD-TFA precursors for the deposition of thick YBCO films on metallic substrates for the superconducting coated conductors fabrication	97
EFDA TECHNOLOGY WORK PROGRAMME 2006
Tritium Breeding and Materials
*Materials Development*
Development of calculation tools: Calculation of cross sections for Mn and Cu up to 60 MeV to be used to the EAF and the EFF libraries	104
*IFMIF, Test Facilities*
X- ray microtomography of a full HFTM rig including NaK, heaters and samples and simulation of X-ray images after IFMIF irradiation	113
*IFMIF, Design Integration*
(i) Deuteron-induced activation cross section evaluation for the Fe isotopes by means of optical potential analysis, and (ii) Deuteron-induced activation cross section evaluation for accelerator materials: Cu, Al, Nb and others	127
*TV-Vessel/In-Vessel*
Manufacturing and characterization of Be/CuCrZr junctions using Cu-based and eutectic silver free brazing alloys	139
*Fuel Cycle*
Development of ITER PRM and Standard Parts Catalogues in CATIA V5 for Tritium-containing Systems and Components	144
Physics Integration
*TPD - Diagnostics*
Report on in-situ thermal annealing and photobleachong of low dose rate/dose gamma and neutron irradiated aluminium jacketed silica optical fibres	153
Report on radiation-induced absorption of selected alternative radiation-resistent glasses following displament damage	172
*TPP - Plasma Edge*
Provision of Be-coated W, Graphite and CFC specimenes for implantation/retention studies	177
JET FUSION TECHNOLOGY
*Plasma Facing components*
Assesment of detritiation with a small Ar plasma torch	191
Development of an Inside-Gap Generator for wall cleaning applications	201
JET PROGRAMME IN SUPPORT OF ITER
*ITER-like Wall Project*
Development of W-coatings for CFC tiles for the JET divertor	206
Development of beryllium marker tiles for the ITER-like Wall experiment project (ILW). ITER Wall Materials in JET : Development of Beryllium Markers	214
Publications in scientific journals	232
Contributions to conferences and workshops	233
Contact information	237
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