Demonstration of Control Rod Holding Stability of the Self Actuated Shutdown System in Joyo for Enhancement of Fast Reactor Inherent Safety
Self actuated shutdown system (SASS) with a Curie point electromagnet (CPEM) has been developed for use in a large-scale liquid metal cooled fast breeder reactor (LMFBR) in order to establish the passive shutdown capability against anticipated transient without scram (ATWS) events. The basic charact...
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| Veröffentlicht in: | Journal of Nuclear Science and Technology 2007-03, Vol.44 (3), p.511-517 |
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| container_issue | 3 |
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| container_title | Journal of Nuclear Science and Technology |
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| creator | TAKAMATSU, Misao SEKINE, Takashi AOYAMA, Takafumi UCHIDA, Masato KOTAKE, Shoji |
| description | Self actuated shutdown system (SASS) with a Curie point electromagnet (CPEM) has been developed for use in a large-scale liquid metal cooled fast breeder reactor (LMFBR) in order to establish the passive shutdown capability against anticipated transient without scram (ATWS) events. The basic characteristics of SASS have already been investigated by various out-of-pile tests for material elements. As the final stage of the development, the stability of SASS needs to be confirmed under the actual reactor-operational environment with high temperature, high neutron flux, and flowing sodium to ensure the high plant availability factor. For this purpose, the demonstration test of holding stability using the reduced-scale experimental equipment of SASS was conducted in the 1st and 2nd operational cycles of the experimental fast reactor Joyo MK-III. The rod-holding stability and the rod-recovering functions of the driving system to re-connect and pull out the separated control rod were fully confirmed. The results also indicate there is no essential problem for the practical use of SASS about its operational trouble involving the unexpected drop during reactor operation. |
| doi_str_mv | 10.1080/18811248.2007.9711316 |
| format | Article |
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The basic characteristics of SASS have already been investigated by various out-of-pile tests for material elements. As the final stage of the development, the stability of SASS needs to be confirmed under the actual reactor-operational environment with high temperature, high neutron flux, and flowing sodium to ensure the high plant availability factor. For this purpose, the demonstration test of holding stability using the reduced-scale experimental equipment of SASS was conducted in the 1st and 2nd operational cycles of the experimental fast reactor Joyo MK-III. The rod-holding stability and the rod-recovering functions of the driving system to re-connect and pull out the separated control rod were fully confirmed. The results also indicate there is no essential problem for the practical use of SASS about its operational trouble involving the unexpected drop during reactor operation.</description><identifier>ISSN: 0022-3131</identifier><identifier>EISSN: 1881-1248</identifier><identifier>DOI: 10.1080/18811248.2007.9711316</identifier><identifier>CODEN: JNSTAX</identifier><language>eng</language><publisher>Tokyo: Taylor & Francis Group</publisher><subject>Applied sciences ; Curie point electromagnet ; Energy ; Energy. 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The basic characteristics of SASS have already been investigated by various out-of-pile tests for material elements. As the final stage of the development, the stability of SASS needs to be confirmed under the actual reactor-operational environment with high temperature, high neutron flux, and flowing sodium to ensure the high plant availability factor. For this purpose, the demonstration test of holding stability using the reduced-scale experimental equipment of SASS was conducted in the 1st and 2nd operational cycles of the experimental fast reactor Joyo MK-III. The rod-holding stability and the rod-recovering functions of the driving system to re-connect and pull out the separated control rod were fully confirmed. The results also indicate there is no essential problem for the practical use of SASS about its operational trouble involving the unexpected drop during reactor operation.</description><subject>Applied sciences</subject><subject>Curie point electromagnet</subject><subject>Energy</subject><subject>Energy. Thermal use of fuels</subject><subject>Exact sciences and technology</subject><subject>Fission nuclear power plants</subject><subject>Installations for energy generation and conversion: thermal and electrical energy</subject><subject>Joyo</subject><subject>LMFBR</subject><subject>passive safety</subject><subject>self actuated shutdown system</subject><issn>0022-3131</issn><issn>1881-1248</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2007</creationdate><recordtype>article</recordtype><recordid>eNp9kNFKwzAUhoMoOKePIOTGy84kbdP0zjE3NxkIq16X0zaxlTYZScboM_jStszhnVfh5P-_E_IhdE_JjBJBHqkQlLJIzBghySxNKA0pv0CT8T4Yg0s0IYSxIByCa3Tj3Ncw8oiLCfp-lp3RzlvwjdHYKLww2lvT4p2p8Nq0VaM_ceahaNrG92PB1xJnslV4XvoDeFnhrD74yhw1znrnZYcbjV9Nb7AyFi91DbqUndR-hFfgPN5JKP2QbXQt7RhkoKTvb9GVgtbJu99zij5Wy_fFOti-vWwW821QhizhgVIVRHHKeZwKVpQshEIA8AIiGXJI4ipmXArBBU-FIjyKOOEpi6XkMWFRQcIpik97S2ucs1Lle9t0YPucknw0mp-N5qPR_NfowD2cuD24Elplh4817g8WIuZRMvaeTr1GDwY6OBrbVrmHvjX2DIX_P_UDcdOLEw</recordid><startdate>200703</startdate><enddate>200703</enddate><creator>TAKAMATSU, Misao</creator><creator>SEKINE, Takashi</creator><creator>AOYAMA, Takafumi</creator><creator>UCHIDA, Masato</creator><creator>KOTAKE, Shoji</creator><general>Taylor & Francis Group</general><general>Atomic Energy Society of Japan</general><scope>IQODW</scope><scope>AAYXX</scope><scope>CITATION</scope></search><sort><creationdate>200703</creationdate><title>Demonstration of Control Rod Holding Stability of the Self Actuated Shutdown System in Joyo for Enhancement of Fast Reactor Inherent Safety</title><author>TAKAMATSU, Misao ; SEKINE, Takashi ; AOYAMA, Takafumi ; UCHIDA, Masato ; KOTAKE, Shoji</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c3276-ffda459665982bc23ab8aa6ba4e36a75d526e8868698f0644606925ee65024b03</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2007</creationdate><topic>Applied sciences</topic><topic>Curie point electromagnet</topic><topic>Energy</topic><topic>Energy. Thermal use of fuels</topic><topic>Exact sciences and technology</topic><topic>Fission nuclear power plants</topic><topic>Installations for energy generation and conversion: thermal and electrical energy</topic><topic>Joyo</topic><topic>LMFBR</topic><topic>passive safety</topic><topic>self actuated shutdown system</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>TAKAMATSU, Misao</creatorcontrib><creatorcontrib>SEKINE, Takashi</creatorcontrib><creatorcontrib>AOYAMA, Takafumi</creatorcontrib><creatorcontrib>UCHIDA, Masato</creatorcontrib><creatorcontrib>KOTAKE, Shoji</creatorcontrib><collection>Pascal-Francis</collection><collection>CrossRef</collection><jtitle>Journal of Nuclear Science and Technology</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>TAKAMATSU, Misao</au><au>SEKINE, Takashi</au><au>AOYAMA, Takafumi</au><au>UCHIDA, Masato</au><au>KOTAKE, Shoji</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Demonstration of Control Rod Holding Stability of the Self Actuated Shutdown System in Joyo for Enhancement of Fast Reactor Inherent Safety</atitle><jtitle>Journal of Nuclear Science and Technology</jtitle><date>2007-03</date><risdate>2007</risdate><volume>44</volume><issue>3</issue><spage>511</spage><epage>517</epage><pages>511-517</pages><issn>0022-3131</issn><eissn>1881-1248</eissn><coden>JNSTAX</coden><abstract>Self actuated shutdown system (SASS) with a Curie point electromagnet (CPEM) has been developed for use in a large-scale liquid metal cooled fast breeder reactor (LMFBR) in order to establish the passive shutdown capability against anticipated transient without scram (ATWS) events. The basic characteristics of SASS have already been investigated by various out-of-pile tests for material elements. As the final stage of the development, the stability of SASS needs to be confirmed under the actual reactor-operational environment with high temperature, high neutron flux, and flowing sodium to ensure the high plant availability factor. For this purpose, the demonstration test of holding stability using the reduced-scale experimental equipment of SASS was conducted in the 1st and 2nd operational cycles of the experimental fast reactor Joyo MK-III. The rod-holding stability and the rod-recovering functions of the driving system to re-connect and pull out the separated control rod were fully confirmed. The results also indicate there is no essential problem for the practical use of SASS about its operational trouble involving the unexpected drop during reactor operation.</abstract><cop>Tokyo</cop><pub>Taylor & Francis Group</pub><doi>10.1080/18811248.2007.9711316</doi><tpages>7</tpages><oa>free_for_read</oa></addata></record> |
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| ispartof | Journal of Nuclear Science and Technology, 2007-03, Vol.44 (3), p.511-517 |
| issn | 0022-3131 1881-1248 |
| language | eng |
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| source | EZB-FREE-00999 freely available EZB journals; Alma/SFX Local Collection; Free Full-Text Journals in Chemistry |
| subjects | Applied sciences Curie point electromagnet Energy Energy. Thermal use of fuels Exact sciences and technology Fission nuclear power plants Installations for energy generation and conversion: thermal and electrical energy Joyo LMFBR passive safety self actuated shutdown system |
| title | Demonstration of Control Rod Holding Stability of the Self Actuated Shutdown System in Joyo for Enhancement of Fast Reactor Inherent Safety |
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