On the thermal-hydraulic performances of the DEMO divertor cassette body cooling circuit equipped with a liner
•Assessment of the steady-state thermal-hydraulic performances of the DEMO Divertor Cassette Body (CB).•Adoption of a theoretical-numerical approach based on the finite volume method.•Detection of the major criticalities in the CB thermal-hydraulic performances.•Identification of a set of design rev...
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| Veröffentlicht in: | Fusion engineering and design 2020-07, Vol.156, p.111613, Article 111613 |
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| creator | Di Maio, P.A. Forte, R. Gaglio, R. You, J.H. Mazzone, G. Tomarchio, E. Vallone, E. |
| description | •Assessment of the steady-state thermal-hydraulic performances of the DEMO Divertor Cassette Body (CB).•Adoption of a theoretical-numerical approach based on the finite volume method.•Detection of the major criticalities in the CB thermal-hydraulic performances.•Identification of a set of design revisions to further improve the CB performances.
In the framework of the Work Package DIV 1 - “Divertor Cassette Design and Integration” of the EUROfusion action, a research campaign has been jointly carried out by University of Palermo and ENEA to investigate the steady-state thermal-hydraulic performances of the DEMO divertor cassette cooling system. The research activity has been focussed onto the most recent design of the Cassette Body (CB) cooling circuit, consistent with the DEMO baseline 2017 and equipped with a liner, whose main function is to protect the underlying vacuum pump CB opening from plasma radiation. The research campaign has been carried out following a theoretical-computational approach based on the finite volume method and adopting the commercial Computational Fluid-Dynamic (CFD) code ANSYS-CFX.
The CB thermal-hydraulic performances have been assessed in terms of coolant and structure temperature, coolant overall total pressure drop and flow velocity distribution, mainly in order to check its aptitude to provide a uniform and effective cooling to both CB and liner structures. Moreover, the margin against coolant saturation has been evaluated in order investigate whether any risk of its bulk vaporisation is prevented.
The outcomes of the study have shown some criticalities, mainly in terms of structure maximum temperature and coolant vaporization occurrence within the liner. As a consequence, some minor design variations have been suggested within the paper.
Models, loads and boundary conditions assumed for the analyses are herewith reported and critically discussed, together with the main results obtained. |
| doi_str_mv | 10.1016/j.fusengdes.2020.111613 |
| format | Article |
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In the framework of the Work Package DIV 1 - “Divertor Cassette Design and Integration” of the EUROfusion action, a research campaign has been jointly carried out by University of Palermo and ENEA to investigate the steady-state thermal-hydraulic performances of the DEMO divertor cassette cooling system. The research activity has been focussed onto the most recent design of the Cassette Body (CB) cooling circuit, consistent with the DEMO baseline 2017 and equipped with a liner, whose main function is to protect the underlying vacuum pump CB opening from plasma radiation. The research campaign has been carried out following a theoretical-computational approach based on the finite volume method and adopting the commercial Computational Fluid-Dynamic (CFD) code ANSYS-CFX.
The CB thermal-hydraulic performances have been assessed in terms of coolant and structure temperature, coolant overall total pressure drop and flow velocity distribution, mainly in order to check its aptitude to provide a uniform and effective cooling to both CB and liner structures. Moreover, the margin against coolant saturation has been evaluated in order investigate whether any risk of its bulk vaporisation is prevented.
The outcomes of the study have shown some criticalities, mainly in terms of structure maximum temperature and coolant vaporization occurrence within the liner. As a consequence, some minor design variations have been suggested within the paper.
Models, loads and boundary conditions assumed for the analyses are herewith reported and critically discussed, together with the main results obtained.</description><identifier>ISSN: 0920-3796</identifier><identifier>EISSN: 1873-7196</identifier><identifier>DOI: 10.1016/j.fusengdes.2020.111613</identifier><language>eng</language><publisher>Amsterdam: Elsevier B.V</publisher><subject>Boundary conditions ; CAD ; Cassette body ; CFD analysis ; Circuit design ; Computational fluid dynamics ; Computer aided design ; Cooling ; Cooling systems ; DEMO ; Divertor ; Finite volume method ; Flow velocity ; Hydraulics ; Mathematical models ; Plasma radiation ; Pressure drop ; Stress concentration ; Thermofluid-dynamics ; Vacuum pumps ; Vaporization ; Velocity distribution</subject><ispartof>Fusion engineering and design, 2020-07, Vol.156, p.111613, Article 111613</ispartof><rights>2020 [The Author/The Authors]</rights><rights>Copyright Elsevier Science Ltd. Jul 2020</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c392t-2659a092714e5d1e1d611a751678bb35ecafb5d8708af0fd07a273ce3d6a37d63</citedby><cites>FETCH-LOGICAL-c392t-2659a092714e5d1e1d611a751678bb35ecafb5d8708af0fd07a273ce3d6a37d63</cites><orcidid>0000-0002-0317-217X ; 0000-0002-4236-7789 ; 0000-0002-2018-3831 ; 0000-0002-2309-6119</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://www.sciencedirect.com/science/article/pii/S0920379620301617$$EHTML$$P50$$Gelsevier$$H</linktohtml><link.rule.ids>314,776,780,3537,27901,27902,65306</link.rule.ids></links><search><creatorcontrib>Di Maio, P.A.</creatorcontrib><creatorcontrib>Forte, R.</creatorcontrib><creatorcontrib>Gaglio, R.</creatorcontrib><creatorcontrib>You, J.H.</creatorcontrib><creatorcontrib>Mazzone, G.</creatorcontrib><creatorcontrib>Tomarchio, E.</creatorcontrib><creatorcontrib>Vallone, E.</creatorcontrib><title>On the thermal-hydraulic performances of the DEMO divertor cassette body cooling circuit equipped with a liner</title><title>Fusion engineering and design</title><description>•Assessment of the steady-state thermal-hydraulic performances of the DEMO Divertor Cassette Body (CB).•Adoption of a theoretical-numerical approach based on the finite volume method.•Detection of the major criticalities in the CB thermal-hydraulic performances.•Identification of a set of design revisions to further improve the CB performances.
In the framework of the Work Package DIV 1 - “Divertor Cassette Design and Integration” of the EUROfusion action, a research campaign has been jointly carried out by University of Palermo and ENEA to investigate the steady-state thermal-hydraulic performances of the DEMO divertor cassette cooling system. The research activity has been focussed onto the most recent design of the Cassette Body (CB) cooling circuit, consistent with the DEMO baseline 2017 and equipped with a liner, whose main function is to protect the underlying vacuum pump CB opening from plasma radiation. The research campaign has been carried out following a theoretical-computational approach based on the finite volume method and adopting the commercial Computational Fluid-Dynamic (CFD) code ANSYS-CFX.
The CB thermal-hydraulic performances have been assessed in terms of coolant and structure temperature, coolant overall total pressure drop and flow velocity distribution, mainly in order to check its aptitude to provide a uniform and effective cooling to both CB and liner structures. Moreover, the margin against coolant saturation has been evaluated in order investigate whether any risk of its bulk vaporisation is prevented.
The outcomes of the study have shown some criticalities, mainly in terms of structure maximum temperature and coolant vaporization occurrence within the liner. As a consequence, some minor design variations have been suggested within the paper.
Models, loads and boundary conditions assumed for the analyses are herewith reported and critically discussed, together with the main results obtained.</description><subject>Boundary conditions</subject><subject>CAD</subject><subject>Cassette body</subject><subject>CFD analysis</subject><subject>Circuit design</subject><subject>Computational fluid dynamics</subject><subject>Computer aided design</subject><subject>Cooling</subject><subject>Cooling systems</subject><subject>DEMO</subject><subject>Divertor</subject><subject>Finite volume method</subject><subject>Flow velocity</subject><subject>Hydraulics</subject><subject>Mathematical models</subject><subject>Plasma radiation</subject><subject>Pressure drop</subject><subject>Stress concentration</subject><subject>Thermofluid-dynamics</subject><subject>Vacuum pumps</subject><subject>Vaporization</subject><subject>Velocity distribution</subject><issn>0920-3796</issn><issn>1873-7196</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2020</creationdate><recordtype>article</recordtype><recordid>eNqFkE1LAzEQhoMoWKu_wYDnrZlNN-kepdYPqPSi55Ams21Ku1mTbKX_3tSKV2GGgZl3vh5CboGNgIG434yaPmK7shhHJStzFkAAPyMDmEheSKjFORmwumQFl7W4JFcxbhgDmW1A2kVL0xqPHnZ6W6wPNuh-6wztMDQ-51qDkfrmR_U4e1tQ6_YYkg_U6BgxJaRLbw_UeL917YoaF0zvEsXP3nUdWvrl0ppqmosYrslFo7cRb37jkHw8zd6nL8V88fw6fZgXhtdlKkpR1TqfLGGMlQUEKwC0rEDIyXLJKzS6WVZ2ItlEN6yxTOpScoPcCs2lFXxI7k5zu-A_e4xJbXwf2rxSleMxF2MuS8gqeVKZ4GMM2KguuJ0OBwVMHeGqjfqDq45w1Qlu7nw4dWJ-Yu8wqGgcZlTWBTRJWe_-nfENlJmIJA</recordid><startdate>202007</startdate><enddate>202007</enddate><creator>Di Maio, P.A.</creator><creator>Forte, R.</creator><creator>Gaglio, R.</creator><creator>You, J.H.</creator><creator>Mazzone, G.</creator><creator>Tomarchio, E.</creator><creator>Vallone, E.</creator><general>Elsevier B.V</general><general>Elsevier Science Ltd</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><orcidid>https://orcid.org/0000-0002-0317-217X</orcidid><orcidid>https://orcid.org/0000-0002-4236-7789</orcidid><orcidid>https://orcid.org/0000-0002-2018-3831</orcidid><orcidid>https://orcid.org/0000-0002-2309-6119</orcidid></search><sort><creationdate>202007</creationdate><title>On the thermal-hydraulic performances of the DEMO divertor cassette body cooling circuit equipped with a liner</title><author>Di Maio, P.A. ; Forte, R. ; Gaglio, R. ; You, J.H. ; Mazzone, G. ; Tomarchio, E. ; Vallone, E.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c392t-2659a092714e5d1e1d611a751678bb35ecafb5d8708af0fd07a273ce3d6a37d63</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2020</creationdate><topic>Boundary conditions</topic><topic>CAD</topic><topic>Cassette body</topic><topic>CFD analysis</topic><topic>Circuit design</topic><topic>Computational fluid dynamics</topic><topic>Computer aided design</topic><topic>Cooling</topic><topic>Cooling systems</topic><topic>DEMO</topic><topic>Divertor</topic><topic>Finite volume method</topic><topic>Flow velocity</topic><topic>Hydraulics</topic><topic>Mathematical models</topic><topic>Plasma radiation</topic><topic>Pressure drop</topic><topic>Stress concentration</topic><topic>Thermofluid-dynamics</topic><topic>Vacuum pumps</topic><topic>Vaporization</topic><topic>Velocity distribution</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Di Maio, P.A.</creatorcontrib><creatorcontrib>Forte, R.</creatorcontrib><creatorcontrib>Gaglio, R.</creatorcontrib><creatorcontrib>You, J.H.</creatorcontrib><creatorcontrib>Mazzone, G.</creatorcontrib><creatorcontrib>Tomarchio, E.</creatorcontrib><creatorcontrib>Vallone, E.</creatorcontrib><collection>CrossRef</collection><collection>Mechanical & Transportation Engineering Abstracts</collection><collection>Technology Research Database</collection><collection>Engineering Research Database</collection><collection>Aerospace Database</collection><collection>Civil Engineering Abstracts</collection><collection>Advanced Technologies Database with Aerospace</collection><jtitle>Fusion engineering and design</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Di Maio, P.A.</au><au>Forte, R.</au><au>Gaglio, R.</au><au>You, J.H.</au><au>Mazzone, G.</au><au>Tomarchio, E.</au><au>Vallone, E.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>On the thermal-hydraulic performances of the DEMO divertor cassette body cooling circuit equipped with a liner</atitle><jtitle>Fusion engineering and design</jtitle><date>2020-07</date><risdate>2020</risdate><volume>156</volume><spage>111613</spage><pages>111613-</pages><artnum>111613</artnum><issn>0920-3796</issn><eissn>1873-7196</eissn><abstract>•Assessment of the steady-state thermal-hydraulic performances of the DEMO Divertor Cassette Body (CB).•Adoption of a theoretical-numerical approach based on the finite volume method.•Detection of the major criticalities in the CB thermal-hydraulic performances.•Identification of a set of design revisions to further improve the CB performances.
In the framework of the Work Package DIV 1 - “Divertor Cassette Design and Integration” of the EUROfusion action, a research campaign has been jointly carried out by University of Palermo and ENEA to investigate the steady-state thermal-hydraulic performances of the DEMO divertor cassette cooling system. The research activity has been focussed onto the most recent design of the Cassette Body (CB) cooling circuit, consistent with the DEMO baseline 2017 and equipped with a liner, whose main function is to protect the underlying vacuum pump CB opening from plasma radiation. The research campaign has been carried out following a theoretical-computational approach based on the finite volume method and adopting the commercial Computational Fluid-Dynamic (CFD) code ANSYS-CFX.
The CB thermal-hydraulic performances have been assessed in terms of coolant and structure temperature, coolant overall total pressure drop and flow velocity distribution, mainly in order to check its aptitude to provide a uniform and effective cooling to both CB and liner structures. Moreover, the margin against coolant saturation has been evaluated in order investigate whether any risk of its bulk vaporisation is prevented.
The outcomes of the study have shown some criticalities, mainly in terms of structure maximum temperature and coolant vaporization occurrence within the liner. As a consequence, some minor design variations have been suggested within the paper.
Models, loads and boundary conditions assumed for the analyses are herewith reported and critically discussed, together with the main results obtained.</abstract><cop>Amsterdam</cop><pub>Elsevier B.V</pub><doi>10.1016/j.fusengdes.2020.111613</doi><orcidid>https://orcid.org/0000-0002-0317-217X</orcidid><orcidid>https://orcid.org/0000-0002-4236-7789</orcidid><orcidid>https://orcid.org/0000-0002-2018-3831</orcidid><orcidid>https://orcid.org/0000-0002-2309-6119</orcidid><oa>free_for_read</oa></addata></record> |
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| source | Elsevier ScienceDirect Journals |
| subjects | Boundary conditions CAD Cassette body CFD analysis Circuit design Computational fluid dynamics Computer aided design Cooling Cooling systems DEMO Divertor Finite volume method Flow velocity Hydraulics Mathematical models Plasma radiation Pressure drop Stress concentration Thermofluid-dynamics Vacuum pumps Vaporization Velocity distribution |
| title | On the thermal-hydraulic performances of the DEMO divertor cassette body cooling circuit equipped with a liner |
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