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Tritium distributions on W-coated divertor tiles used in the third JET ITER-like wall campaign

descriptionPublicationkeyboard_double_arrow_right Article , Journal 01 Jan 2019 Sweden, Italy, Finland, Spain, Switzerland, Germany Publisher:Elsevier BVJournal:Nuclear Materials and Energy, volume 18, pages 258-261 (issn: 2352-1791,

Authors: Hatano Y.; Lee S. E.; Likonen J.; Koivuranta S.; Hara M.; Masuzaki S.; Asakura N.; +193 Authors

Hatano Y.; Lee S. E.; Likonen J.; Koivuranta S.; Hara M.; Masuzaki S.; Asakura N.; Isobe K.; Hayashi T.; Ikonen J.; Widdowson A.; Litaudon X.; Abduallev S.; Abhangi M.; Abreu P.; Afzal M.; Aggarwal K. M.; Ahlgren T.; Ahn J. H.; Aho-Mantila L.; Aiba N.; Airila M.; Albanese R.; Aldred V.; Alegre D.; Alessi E.; Aleynikov P.; Alfier A.; Alkseev A.; Allinson M.; Alper B.; Alves E.; Ambrosino G.; Ambrosino R.; Amicucci L.; Amosov V.; Andersson Sunden E.; Angelone M.; Anghel M.; Angioni C.; Appel L.; Appelbee C.; Arena P.; Ariola M.; Arnichand H.; Arshad S.; Ash A.; Ashikawa N.; Aslanyan V.; Asunta O.; Auriemma F.; Austin Y.; Avotina L.; Axton M. D.; Ayres C.; Bacharis M.; Baciero A.; Baiao D.; Bailey S.; Baker A.; Balboa I.; Balden M.; Balshaw N.; Bament R.; Banks J. W.; Baranov Y. F.; Barnard M. A.; Barnes D.; Barnes M.; Barnsley R.; Baron Wiechec A.; Barrera Orte L.; Baruzzo M.; Basiuk V.; Bassan M.; Bastow R.; Batista A.; Batistoni P.; Baughan R.; Bauvir B.; Baylor L.; Bazylev B.; Beal J.; Beaumont P. S.; Beckers M.; Beckett B.; Becoulet A.; Bekris N.; Beldishevski M.; Bell K.; Belli F.; Bellinger M.; Belonohy E.; Ben Ayed N.; Benterman N. A.; Bergasker H.; Bernardo J.; Bernert M.; Berry M.; Bertalot L.; Besliu C.; Beurskens M.; Bieg B.; Bielecki J.; Biewer T.; Bigi M.; Bilkova P.; Binda F.; Bisoffi A.; Bizarro J. P. S.; Bjorkas C.; Blackburn J.; Blackman K.; Blackman T. R.; Blanchard P.; Blatchford P.; Bobkov V.; Boboc A.; Bodnar G.; Bogar O.; Bolshakova I.; Bolzonella T.; Bonanomi N.; Bonelli F.; Boom J.; Booth J.; Borba D.; Borodin D.; Borodkina I.; Botrugno A.; Bottereau C.; Boulting P.; Bourdelle C.; Bowden M.; Bower C.; Bowman C.; Boyce T.; Boyd C.; Boyer H. J.; Bradshaw J. M. A.; Braic V.; Bravanec R.; Breizman B.; Bremond S.; Brennan P. D.; Breton S.; Brett A.; Brezinsek S.; Bright M. D. J.; Brix M.; Broeckx W.; Brombin M.; Broslawski A.; Brown D. P. D.; Brown M.; Bruno E.; Bucalossi J.; Buch J.; Buchanan J.; Buckley M. A.; Budny R.; Bufferand H.; Bulman M.; Bulmer N.; Bunting P.; Buratti P.; Burckhart A.; Buscarino A.; Busse A.; Butler N. K.; Bykov I.; Byrne J.; Cahyna P.; Calabro G.; Calvo I.; Camenen Y.; Camp P.; Campling D. C.; Cane J.; Cannas B.; Capel A. J.; Card P. J.; Cardinali A.; Carman P.; Carr M.; Carralero D.; Carraro L.; Carvalho B. B.; Carvalho I.; Carvalho P.; Casson F. J.; Castaldo C.; Catarino N.; Caumont J.; Causa F.; Cavazzana R.; Cave-Ayland K.; Cavinato M.; Cecconello M.; Ceccuzzi S.;

doi: 10.1016/j.nme.2019.01.001 , 10.5445/ir/1000104569

handle: 11588/771899 , 10281/294737 , 10138/303547 , 11583/2781242 , 11577/3304247 , 2108/218765 , 11367/76053 , 11584/285219 , 11591/414682 , 20.500.11769/395000 , 11563/151928 , 2067/45520

Tritium distributions on W-coated divertor tiles used in the third JET ITER-like wall campaign

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Abstract

Tritium (T) distributions on tungsten (W)-coated plasma-facing tiles used in the third ITER-like wall campaign (2015–2016) of the Joint European Torus (JET) were examined by means of an imaging plate technique and β-ray induced x-ray spectrometry, and they were compared with the distributions after the second (2013–2014) campaign. Strong enrichment of T in beryllium (Be) deposition layers was observed after the second campaign. In contrast, T distributions after the third campaign was more uniform though Be deposition layers were visually recognized. The one of the possible explanations is enhanced desorption of T from Be deposition layers due to higher tile temperatures caused by higher energy input in the third campaign.

Countries

Sweden, Italy, Finland, Spain, Switzerland, Germany

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Keywords

retention, Tritium, 530, deposition, [SPI.MECA.MEFL]Engineering Sciences [physics]/Mechanics [physics.med-ph]/Fluids mechanics [physics.class-ph], Deposition; Divertor; Radiation; Retention; Tritium;, Fusion, plasma och rymdfysik, Divertor, tritium retention, divertor, Deposition; Divertor; Radiation; Retention; Tritium, SDG 7 - Affordable and Clean Energy, info:eu-repo/classification/ddc/530, ta216, Deposition, ta214, Radiation, ta114, tritium, Physics, [SPI.FLUID]Engineering Sciences [physics]/Reactive fluid environment, ddc:530, TK9001-9401, Fusion, Plasma and Space Physics, Settore FIS/01 - FISICA SPERIMENTALE, Physical sciences, radiation, Retention, Nuclear engineering. Atomic power

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