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ITPA Topical Group Meeting on Diagnostics

Twelfth Meeting, Princeton, USA

March 26 - 30, 2007

US Meeting

Agenda:

Development of methods of measuring the energy and density distribution of confined and escaping a's

Assessment of the various options for the Vertical Neutron Camera to measure the 2D n/a source profile and
            asymmetries in this quantity, and assessment of the calibration strategy and calibration source strength needed

Progress in the field of first mirrors

Development of measurement requirements for measurements of dust, and assessment of techniques for
            measurement of dust and erosion

Review of outstanding radiation effects work for ITER

 

Introduction

A.J.H. Donné

Welcome on behalf of ITPA, participants, meeting logistics

A. Costley

Update of status of ITER and ITER Diagnostics

C. Walker

Update of status of diagnostic engineering

F.Orsitto

Report on the meeting of ITPA TG Steady-State Operations Chengdu Oct’06

A.J.H. Donné On-site test bed for ITER port plugs

    High Priority Issues

HP 1:

Development of methods of measuring the energy and density distribution of confined and escaping a's 

M. von Hellermann

CXRS Diagnostics of Thermalised and Slowing-down Alphas making use of the HNB and DNB

R. Fisher

ITER Alpha Knock-On Tail Measurements Using Neutron Activation Techniques

P. Woskov

Collective Scattering (US Contributions)

S. Korsholm Fast ion collective Thomson scattering diagnostic for ITER

R. Boivin

The feasibility of a lost alpha diagnostic

D. Darrow

Prompt Alpha Loss Modeling for ITER Detectors

E. Cecil

Thin Faraday foil detectors as a lost alpha diagnostic for ITER

W. Heidbrink ICE as a Qualitative Alpha Loss Diagnostic

Discussion on Alpha Particle Diagnostics

HP 2: Assessment of the various options for the Vertical Neutron Camera to measure the 2D n/a source profile and asymmetries in this quantity, and assessment of the calibration strategy and calibration source strength needed
A. Krasilnikov Status of the integration of the Vertical Neutron Camera
HP 3: Progress in the field of first mirrors
A. Litnovsky Report of the First Mirror Working Group
L. Marot Rhodium coated mirrors deposited by magnetron sputtering for fusion applications
Y. Zhou Results of the mirror exposure and protection in HL-2A
A.Litnovsky Roadmap for the first mirror research
G. De Temmermann (pres. J. Brooks)

Mirror exposure in PISCES-B: the effect of Be deposition on the reflectivity of first mirrors

J. Brooks ITER MSE Diagnostic First Mirror Analysis
J. P. Allain ITER MSE Diagnostic First Mirror Analysis: Effects on Mirror Performance from Particle Irradiation
T. Sugie Update of the first mirror table of ITER

S. Takamura (Pres. T. Sugie)

Reduction in Optical Reflectivity of Tungsten Mirror by He Irradiation and Its Mitigation

N. Yoshida (Pres. T. Sugie)

Reduction and Recovery of Optical Reflectivity of Mo Mirror Irradiated by Low Energy Helium Ions
HP 4: Development of measurement requirements for measurements of dust, and assessment of techniques for measurement of dust and erosion
E. Gauthier

Speckle Interferometry and its potential application as erosion-redeposition diagnostic in ITER

A. Costley Latest thinking from the IT on dust
C. Skinner Dust, its definition and detection
HP 5: Review of outstanding radiation effects work for ITER
G. Vayakis Review of outstanding radiation effects work for ITER
E. Hodgson (pres. B. Brichard) Report of the Specialists Working Group on Radiation Effects
K. Vukolov Some results and aspects on Radiation Effects
B. Brichard Progress in the implementation of fibre-optic technology for ITER: use of hydrogen loading technique, radiation assessment of IR fibres for divertor thermography and integration of fibre optic current sensor for Magnetic Diagnostic
Discussion on high priority topics

     Feedback on Measurement Requirements

A. Costley

Update of measurement requirements

F. Orsitto Justifications for the measurement requirements related to fast ions in ITER

 

Discussion on measurement requirements

Progress and Plans for the Specialists Working Groups

G. Conway

Reflectometry Working Group Report

A. Donné

M. Walsh

Thomson scattering Working Group Report

M. Sasao

Neutron Working Group Report

R. Barnsley

Spectroscopy Working Group Report

M. von Hellermann

Beam-Aided Spectroscopy Working Group Report

Reports on ITER Relevant Diagnostic Developments

X. Duan

Detailed design of neutron generator for In-situ calibration of NFM on ITER                   

C. Ingesson

Progress on EFDA tasks on ITER diagnostics

G. Chitarin

Development and testing of in-vessel magnetic sensors for ITER

F. Orsitto

Report on the status of the programme of ITER relevant diagnostics on FTU

Y. Kawano Recent progress in JAEA
Y. Kusama Recent Progress in ITER Diagnostics Development in Japan

M. Sasao

University activities in Japan (ppt)
V.Zaveryaev Developments in Russia

       Review of Action Items

A. Donné

Overview of and progress with the action items

          Closing activities

A. Donné

Forthcoming meetings (13th and 14th)

A. Donné

Preparation and Agreement of Meeting Summary