Drop behaviors of a plate-type fuel assembly used in research reactor for a drop accident
The drop behaviors of a plate-type fuel assembly for a research reactor are investigated through a dropping test in water. In the test, a full-scale dummy fuel assembly and a water tank of 5 m high are utilized. Special devices are designed to minimize collisions between the equipment and test speci...
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| Veröffentlicht in: | Progress in nuclear energy (New series) 2019-05, Vol.113, p.255-262 |
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| container_title | Progress in nuclear energy (New series) |
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| creator | Kim, Hyun-Jung Yim, Jeong-Sik Tahk, Young-Wook Oh, Jae-Yong Kong, Eui-Hyun |
| description | The drop behaviors of a plate-type fuel assembly for a research reactor are investigated through a dropping test in water. In the test, a full-scale dummy fuel assembly and a water tank of 5 m high are utilized. Special devices are designed to minimize collisions between the equipment and test specimen and to induce a vertical drop of the fuel assembly. Falling velocities with respect to the drop heights are measured using a high-speed camera, and are determined through the image processing of the photographs. Using the analytical equation and experimental data, the drag coefficient and added mass of the plate-type fuel assembly which highly influence the falling behavior are estimated. The empirical formula with suitable drag coefficient and added mass is presented to predict the impact velocity of fuel assembly during a drop accident. The impact velocity can be utilized as an input variable in the finite element analysis of an impact.
•The drop behaviors of a plate-type fuel assembly for research reactor are investigated.•The dropping test with full-scale fuel assembly in water is performed.•Falling velocities with respect to drop height in water are determined through the image processing of the photographs.•Appropriate drag coefficient and added mass of a plate-type fuel assembly are presented.•Empirical equation of fuel assembly drop behaviors is presented. |
| doi_str_mv | 10.1016/j.pnucene.2019.01.020 |
| format | Article |
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•The drop behaviors of a plate-type fuel assembly for research reactor are investigated.•The dropping test with full-scale fuel assembly in water is performed.•Falling velocities with respect to drop height in water are determined through the image processing of the photographs.•Appropriate drag coefficient and added mass of a plate-type fuel assembly are presented.•Empirical equation of fuel assembly drop behaviors is presented.</description><identifier>ISSN: 0149-1970</identifier><identifier>EISSN: 1878-4224</identifier><identifier>DOI: 10.1016/j.pnucene.2019.01.020</identifier><language>eng</language><publisher>Oxford: Elsevier Ltd</publisher><subject>Accidents ; Added mass ; Assembly ; Drag coefficient ; Drag coefficients ; Drop accident ; Drop behavior ; Empirical analysis ; Experiments ; Falling ; Finite element analysis ; Finite element method ; Fuel assembly ; Fuels ; High speed cameras ; Image processing ; Impact analysis ; Impact tests ; Impact velocity ; Mathematical analysis ; Nuclear fuels ; Reactors ; Research reactor ; Velocity ; Water tanks</subject><ispartof>Progress in nuclear energy (New series), 2019-05, Vol.113, p.255-262</ispartof><rights>2019 Elsevier Ltd</rights><rights>Copyright Elsevier BV May 2019</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c337t-4746ce1cdf040b19cbcdd830e5824be2173157d60e8de413c64dd907eac9aba03</citedby><cites>FETCH-LOGICAL-c337t-4746ce1cdf040b19cbcdd830e5824be2173157d60e8de413c64dd907eac9aba03</cites><orcidid>0000-0002-2513-0202</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://dx.doi.org/10.1016/j.pnucene.2019.01.020$$EHTML$$P50$$Gelsevier$$H</linktohtml><link.rule.ids>314,780,784,3550,27924,27925,45995</link.rule.ids></links><search><creatorcontrib>Kim, Hyun-Jung</creatorcontrib><creatorcontrib>Yim, Jeong-Sik</creatorcontrib><creatorcontrib>Tahk, Young-Wook</creatorcontrib><creatorcontrib>Oh, Jae-Yong</creatorcontrib><creatorcontrib>Kong, Eui-Hyun</creatorcontrib><title>Drop behaviors of a plate-type fuel assembly used in research reactor for a drop accident</title><title>Progress in nuclear energy (New series)</title><description>The drop behaviors of a plate-type fuel assembly for a research reactor are investigated through a dropping test in water. In the test, a full-scale dummy fuel assembly and a water tank of 5 m high are utilized. Special devices are designed to minimize collisions between the equipment and test specimen and to induce a vertical drop of the fuel assembly. Falling velocities with respect to the drop heights are measured using a high-speed camera, and are determined through the image processing of the photographs. Using the analytical equation and experimental data, the drag coefficient and added mass of the plate-type fuel assembly which highly influence the falling behavior are estimated. The empirical formula with suitable drag coefficient and added mass is presented to predict the impact velocity of fuel assembly during a drop accident. The impact velocity can be utilized as an input variable in the finite element analysis of an impact.
•The drop behaviors of a plate-type fuel assembly for research reactor are investigated.•The dropping test with full-scale fuel assembly in water is performed.•Falling velocities with respect to drop height in water are determined through the image processing of the photographs.•Appropriate drag coefficient and added mass of a plate-type fuel assembly are presented.•Empirical equation of fuel assembly drop behaviors is presented.</description><subject>Accidents</subject><subject>Added mass</subject><subject>Assembly</subject><subject>Drag coefficient</subject><subject>Drag coefficients</subject><subject>Drop accident</subject><subject>Drop behavior</subject><subject>Empirical analysis</subject><subject>Experiments</subject><subject>Falling</subject><subject>Finite element analysis</subject><subject>Finite element method</subject><subject>Fuel assembly</subject><subject>Fuels</subject><subject>High speed cameras</subject><subject>Image processing</subject><subject>Impact analysis</subject><subject>Impact tests</subject><subject>Impact velocity</subject><subject>Mathematical analysis</subject><subject>Nuclear fuels</subject><subject>Reactors</subject><subject>Research reactor</subject><subject>Velocity</subject><subject>Water tanks</subject><issn>0149-1970</issn><issn>1878-4224</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2019</creationdate><recordtype>article</recordtype><recordid>eNqFkEtrhDAQx0NpodvHRygEetbOaDTmVMr2CQu9tIeeQkxGVnHVJrqw377K7r2HYebwfzA_xu4QYgTMH5p46CZLHcUJoIoBY0jgjK2wkEUkkkScsxWgUBEqCZfsKoQGACVm2Yr9PPt-4CVtzb7ufeB9xQ0fWjNSNB4G4tVELTch0K5sD3wK5HjdcU-BjLfb-TB27D2v5jHcLVnG2tpRN96wi8q0gW5P-5p9v758rd-jzefbx_ppE9k0lWMkpMgtoXUVCChR2dI6V6RAWZGIkhKUKWbS5UCFI4GpzYVzCuRcrExpIL1m98fcwfe_E4VRN_3ku7lSJwkoVeRCLarsqLK-D8FTpQdf74w_aAS9UNSNPlHUC0UNqGeKs-_x6KP5hX1NXgdbU2fJ1Z7sqF1f_5PwB4l_fjk</recordid><startdate>201905</startdate><enddate>201905</enddate><creator>Kim, Hyun-Jung</creator><creator>Yim, Jeong-Sik</creator><creator>Tahk, Young-Wook</creator><creator>Oh, Jae-Yong</creator><creator>Kong, Eui-Hyun</creator><general>Elsevier Ltd</general><general>Elsevier BV</general><scope>AAYXX</scope><scope>CITATION</scope><scope>7TB</scope><scope>8FD</scope><scope>FR3</scope><scope>KR7</scope><orcidid>https://orcid.org/0000-0002-2513-0202</orcidid></search><sort><creationdate>201905</creationdate><title>Drop behaviors of a plate-type fuel assembly used in research reactor for a drop accident</title><author>Kim, Hyun-Jung ; Yim, Jeong-Sik ; Tahk, Young-Wook ; Oh, Jae-Yong ; Kong, Eui-Hyun</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c337t-4746ce1cdf040b19cbcdd830e5824be2173157d60e8de413c64dd907eac9aba03</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2019</creationdate><topic>Accidents</topic><topic>Added mass</topic><topic>Assembly</topic><topic>Drag coefficient</topic><topic>Drag coefficients</topic><topic>Drop accident</topic><topic>Drop behavior</topic><topic>Empirical analysis</topic><topic>Experiments</topic><topic>Falling</topic><topic>Finite element analysis</topic><topic>Finite element method</topic><topic>Fuel assembly</topic><topic>Fuels</topic><topic>High speed cameras</topic><topic>Image processing</topic><topic>Impact analysis</topic><topic>Impact tests</topic><topic>Impact velocity</topic><topic>Mathematical analysis</topic><topic>Nuclear fuels</topic><topic>Reactors</topic><topic>Research reactor</topic><topic>Velocity</topic><topic>Water tanks</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Kim, Hyun-Jung</creatorcontrib><creatorcontrib>Yim, Jeong-Sik</creatorcontrib><creatorcontrib>Tahk, Young-Wook</creatorcontrib><creatorcontrib>Oh, Jae-Yong</creatorcontrib><creatorcontrib>Kong, Eui-Hyun</creatorcontrib><collection>CrossRef</collection><collection>Mechanical & Transportation Engineering Abstracts</collection><collection>Technology Research Database</collection><collection>Engineering Research Database</collection><collection>Civil Engineering Abstracts</collection><jtitle>Progress in nuclear energy (New series)</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Kim, Hyun-Jung</au><au>Yim, Jeong-Sik</au><au>Tahk, Young-Wook</au><au>Oh, Jae-Yong</au><au>Kong, Eui-Hyun</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Drop behaviors of a plate-type fuel assembly used in research reactor for a drop accident</atitle><jtitle>Progress in nuclear energy (New series)</jtitle><date>2019-05</date><risdate>2019</risdate><volume>113</volume><spage>255</spage><epage>262</epage><pages>255-262</pages><issn>0149-1970</issn><eissn>1878-4224</eissn><abstract>The drop behaviors of a plate-type fuel assembly for a research reactor are investigated through a dropping test in water. In the test, a full-scale dummy fuel assembly and a water tank of 5 m high are utilized. Special devices are designed to minimize collisions between the equipment and test specimen and to induce a vertical drop of the fuel assembly. Falling velocities with respect to the drop heights are measured using a high-speed camera, and are determined through the image processing of the photographs. Using the analytical equation and experimental data, the drag coefficient and added mass of the plate-type fuel assembly which highly influence the falling behavior are estimated. The empirical formula with suitable drag coefficient and added mass is presented to predict the impact velocity of fuel assembly during a drop accident. The impact velocity can be utilized as an input variable in the finite element analysis of an impact.
•The drop behaviors of a plate-type fuel assembly for research reactor are investigated.•The dropping test with full-scale fuel assembly in water is performed.•Falling velocities with respect to drop height in water are determined through the image processing of the photographs.•Appropriate drag coefficient and added mass of a plate-type fuel assembly are presented.•Empirical equation of fuel assembly drop behaviors is presented.</abstract><cop>Oxford</cop><pub>Elsevier Ltd</pub><doi>10.1016/j.pnucene.2019.01.020</doi><tpages>8</tpages><orcidid>https://orcid.org/0000-0002-2513-0202</orcidid></addata></record> |
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| ispartof | Progress in nuclear energy (New series), 2019-05, Vol.113, p.255-262 |
| issn | 0149-1970 1878-4224 |
| language | eng |
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| source | Elsevier ScienceDirect Journals Complete |
| subjects | Accidents Added mass Assembly Drag coefficient Drag coefficients Drop accident Drop behavior Empirical analysis Experiments Falling Finite element analysis Finite element method Fuel assembly Fuels High speed cameras Image processing Impact analysis Impact tests Impact velocity Mathematical analysis Nuclear fuels Reactors Research reactor Velocity Water tanks |
| title | Drop behaviors of a plate-type fuel assembly used in research reactor for a drop accident |
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