NDLI: The Tore Supra toroidal pump limiter: experience feedback of HHF elements series manufacture

Content Provider	IEEE Xplore Digital Library
Author	Cordier, J.J. Bayetti, P. Cahppuis, P. Durocher, A. Escourbiac, F. Grosman, A. Lipa, M. Mitteau, R. Schlosser, J. van Houtte, D.
Copyright Year	2003
Description	Author affiliation: Dept. de Recherche sur la Fusion Controlee, CEA, St.-Paul-lez-Durance, France (Cordier, J.J.; Bayetti, P.; Cahppuis, P.; Durocher, A.; Escourbiac, F.; Grosman, A.; Lipa, M.; Mitteau, R.; Schlosser, J.; van Houtte, D.)
Abstract	Since 1992, reliable high heat flux PFCs based on copper alloy heat sink structures and a CFC armour, have been developed. The final result is an actively cooled high heat flux element that is capable of removing up to 10 MW/spl middot/m/sup -2/ stationary operating conditions. About 600 of these high performance individual components have then been manufactured and assembled in order to equip a toroidal pump limiter (TPL). This major in-vessel component consists of a flat toroidally continuous disk (R/sub i/=2.2 m, R/sub o/=2.7 m) covering a 7.6 m/sup 2/ area and made of 574 radial high heat flux elements called "fingers". Following a promising previous manufacture of 200 "short fingers elements" dedicated to RF antenna limiters, the fabrication of actively cooled long fingers elements required to equip the TPL was launched in 1997 in the framework of CIEL project. Although some issues appeared during series fabrication, requiring repair processes development, the final deliveries have been achieved successfully end 2001. The paper deals with the experience feedback that was gained all along the four years duration of the TPL components manufacture. We will show where issues were encountered, how solutions were found to achieve the fabrication of components and will highlight what are the main technical lessons to be learned: acceptance criteria, choice of materials, margins of processes. Finally a proposal of an alternative optimised design is presented, fruit of the experience gained and progress performed from this up to now, unique series manufacture of actively cooled plasma facing HHF components. Such feedback experience is considered highly relevant and available to ITER as well as to Wendelstein 7-X.
Starting Page	6
Ending Page	11
File Size	1229142
Page Count	6
File Format	PDF
ISBN	078037908X
DOI	10.1109/FUSION.2003.1425866
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2003-10-14
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Feedback Fingers Fabrication Heat sinks Copper alloys Assembly Radio frequency Pulp manufacturing Proposals Design optimization
Content Type	Text
Resource Type	Article

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1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
2	Indian Institute of Technology Kharagpur	Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project	https://www.iitkgp.ac.in
3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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The manufacturing and testing of the toroidal pumped limiter prototype elements for Tore Supra

Raman study of cfc tiles extracted from the toroidal pump limiter of tore supra.

1 raman study of cfc tiles extracted from the toroidal pump limiter of tore supra.

High heat flux testing impact on the Tore Supra toroidal pumped limiter achievement

Raman Study of CFC Tiles Extracted From the Toroidal Pump Limiter of Tore Supra

Towards long pulse high performance discharges in TORE SUPRA: Upgrading of inner vessel components (CIEL PROJECT)

Ion flows in the scrape-off layer with biased limiter: implications for Tore Supra toroidal pumped limiter design

Design and manufacture of the Toroidal Pump Limiter-start up version for the CIEL project

Initial report on calorimetry for the Tore Supra Outboard pump Limiter

The Tore Supra toroidal pump limiter: experience feedback of HHF elements series manufacture

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High heat flux testing impact on the Tore Supra toroidal pumped limiter achievement

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