Emissivity measurement of tungsten plasma facing components of the WEST tokamak
Since tungsten (W) has been selected as material for the ITER divertor target the knowledge of the emissivity in the infrared (IR) wavelength range becomes mandatory. A dedicated setup has been developed to measure the emissivity in the wavelength range 1.7–4.75 μm and the temperature domain 200–850...
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| Veröffentlicht in: | Fusion engineering and design 2019-12, Vol.149, p.111328, Article 111328 |
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| creator | Gaspar, J. Pocheau, C. Corre, Y. Ehret, N. Guilhem, D. Houry, M. Loarer, T. Loewenhoff, Th Martin, C. Pardanaud, C. Pintsuk, G. Richou, M. Rigollet, F. Roche, H. Sepulcre, G. Wirtz, M. |
| description | Since tungsten (W) has been selected as material for the ITER divertor target the knowledge of the emissivity in the infrared (IR) wavelength range becomes mandatory. A dedicated setup has been developed to measure the emissivity in the wavelength range 1.7–4.75 μm and the temperature domain 200–850 °C. The paper presents the emissivity measurements on W samples coming from actively cooled bulk W components (ITER-like) and W-coated graphite component of the WEST divertor. W samples with damaged surfaces generated by transient heat load as those observed in fusion machines, including micro-cracks and crack network, are also investigated. The dependence on wavelength, temperature and surface state are shown and discussed. |
| doi_str_mv | 10.1016/j.fusengdes.2019.111328 |
| format | Article |
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A dedicated setup has been developed to measure the emissivity in the wavelength range 1.7–4.75 μm and the temperature domain 200–850 °C. The paper presents the emissivity measurements on W samples coming from actively cooled bulk W components (ITER-like) and W-coated graphite component of the WEST divertor. W samples with damaged surfaces generated by transient heat load as those observed in fusion machines, including micro-cracks and crack network, are also investigated. The dependence on wavelength, temperature and surface state are shown and discussed.</description><identifier>ISSN: 0920-3796</identifier><identifier>EISSN: 1873-7196</identifier><identifier>DOI: 10.1016/j.fusengdes.2019.111328</identifier><language>eng</language><publisher>Amsterdam: Elsevier B.V</publisher><subject>Emissivity ; Engineering Sciences ; Fracture mechanics ; Mechanics ; Microcracks ; Plasmas ; Spectral dependence ; Surface dependence ; Temperature dependence ; Thermics ; Tokamak devices ; Tungsten ; WEST</subject><ispartof>Fusion engineering and design, 2019-12, Vol.149, p.111328, Article 111328</ispartof><rights>2019 Elsevier B.V.</rights><rights>Copyright Elsevier Science Ltd. Dec 2019</rights><rights>Distributed under a Creative Commons Attribution 4.0 International License</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c426t-4780d9788dd3d53c629222643466f6b30372a7c3812801ae2198b45332303a323</citedby><cites>FETCH-LOGICAL-c426t-4780d9788dd3d53c629222643466f6b30372a7c3812801ae2198b45332303a323</cites><orcidid>0000-0002-1857-688X ; 0000-0003-0104-1616 ; 0000-0001-5701-8867</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://www.sciencedirect.com/science/article/pii/S0920379619308245$$EHTML$$P50$$Gelsevier$$H</linktohtml><link.rule.ids>230,314,776,780,881,3537,27901,27902,65306</link.rule.ids><backlink>$$Uhttps://hal.science/hal-02302041$$DView record in HAL$$Hfree_for_read</backlink></links><search><creatorcontrib>Gaspar, J.</creatorcontrib><creatorcontrib>Pocheau, C.</creatorcontrib><creatorcontrib>Corre, Y.</creatorcontrib><creatorcontrib>Ehret, N.</creatorcontrib><creatorcontrib>Guilhem, D.</creatorcontrib><creatorcontrib>Houry, M.</creatorcontrib><creatorcontrib>Loarer, T.</creatorcontrib><creatorcontrib>Loewenhoff, Th</creatorcontrib><creatorcontrib>Martin, C.</creatorcontrib><creatorcontrib>Pardanaud, C.</creatorcontrib><creatorcontrib>Pintsuk, G.</creatorcontrib><creatorcontrib>Richou, M.</creatorcontrib><creatorcontrib>Rigollet, F.</creatorcontrib><creatorcontrib>Roche, H.</creatorcontrib><creatorcontrib>Sepulcre, G.</creatorcontrib><creatorcontrib>Wirtz, M.</creatorcontrib><title>Emissivity measurement of tungsten plasma facing components of the WEST tokamak</title><title>Fusion engineering and design</title><description>Since tungsten (W) has been selected as material for the ITER divertor target the knowledge of the emissivity in the infrared (IR) wavelength range becomes mandatory. A dedicated setup has been developed to measure the emissivity in the wavelength range 1.7–4.75 μm and the temperature domain 200–850 °C. The paper presents the emissivity measurements on W samples coming from actively cooled bulk W components (ITER-like) and W-coated graphite component of the WEST divertor. W samples with damaged surfaces generated by transient heat load as those observed in fusion machines, including micro-cracks and crack network, are also investigated. The dependence on wavelength, temperature and surface state are shown and discussed.</description><subject>Emissivity</subject><subject>Engineering Sciences</subject><subject>Fracture mechanics</subject><subject>Mechanics</subject><subject>Microcracks</subject><subject>Plasmas</subject><subject>Spectral dependence</subject><subject>Surface dependence</subject><subject>Temperature dependence</subject><subject>Thermics</subject><subject>Tokamak devices</subject><subject>Tungsten</subject><subject>WEST</subject><issn>0920-3796</issn><issn>1873-7196</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2019</creationdate><recordtype>article</recordtype><recordid>eNqFkF1LwzAUhoMoOKe_wYJXXrTmo0vayzGmEwa7cOJlyNJ0S7cmM0kH-_emVnYrhBPIec7DyQvAI4IZgoi-NFndeWW2lfIZhqjMEEIEF1dghApGUoZKeg1GsMQwJaykt-DO-wZCxOIZgdW81d7rkw7npFXCd061yoTE1knozNYHZZLjQfhWJLWQ2mwTadujNZHxv9BOJV_zj3US7F60Yn8Pbmpx8Orh7x6Dz9f5erZIl6u399l0mcoc05DmrIBVyYqiqkg1IZLiEmNMc5JTWtMNgYRhwSQpEC4gEgqjstjkE0JwbIlYx-B58O7EgR-dboU7cys0X0yXvH-DkcQwRycU2aeBPTr73SkfeGM7Z-J6HPfCSUmiegzYQElnvXeqvmgR5H3SvOGXpHmfNB-SjpPTYVLFD5-0ctxLrYxUlXZKBl5Z_a_jB4AMiIk</recordid><startdate>20191201</startdate><enddate>20191201</enddate><creator>Gaspar, J.</creator><creator>Pocheau, C.</creator><creator>Corre, Y.</creator><creator>Ehret, N.</creator><creator>Guilhem, D.</creator><creator>Houry, M.</creator><creator>Loarer, T.</creator><creator>Loewenhoff, Th</creator><creator>Martin, C.</creator><creator>Pardanaud, C.</creator><creator>Pintsuk, G.</creator><creator>Richou, M.</creator><creator>Rigollet, F.</creator><creator>Roche, H.</creator><creator>Sepulcre, G.</creator><creator>Wirtz, M.</creator><general>Elsevier B.V</general><general>Elsevier Science Ltd</general><general>Elsevier</general><scope>AAYXX</scope><scope>CITATION</scope><scope>7TB</scope><scope>8FD</scope><scope>FR3</scope><scope>H8D</scope><scope>KR7</scope><scope>L7M</scope><scope>1XC</scope><scope>VOOES</scope><orcidid>https://orcid.org/0000-0002-1857-688X</orcidid><orcidid>https://orcid.org/0000-0003-0104-1616</orcidid><orcidid>https://orcid.org/0000-0001-5701-8867</orcidid></search><sort><creationdate>20191201</creationdate><title>Emissivity measurement of tungsten plasma facing components of the WEST tokamak</title><author>Gaspar, J. ; 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| source | Elsevier ScienceDirect Journals |
| subjects | Emissivity Engineering Sciences Fracture mechanics Mechanics Microcracks Plasmas Spectral dependence Surface dependence Temperature dependence Thermics Tokamak devices Tungsten WEST |
| title | Emissivity measurement of tungsten plasma facing components of the WEST tokamak |
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