A Study on Wall Thinning Causes Identified through Experiment, Numerical Analysis and Ultrasonic Test of Main Feedwater Isolation Valve
To review the relations between flow behavior and wall thinning caused by flow-accelerated corrosion, an experiment, a numerical analysis and ultrasonic tests for the lower body of the main feedwater isolation valve were performed. The experimental results in terms of static pressure obtained for th...
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| Veröffentlicht in: | Journal of nuclear science and technology 2008-01, Vol.45 (1), p.45-51 |
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| container_title | Journal of nuclear science and technology |
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| creator | HWANG, Kyeong Mo JIN, Tae Eun KIM, Kyung Hoon |
| description | To review the relations between flow behavior and wall thinning caused by flow-accelerated corrosion, an experiment, a numerical analysis and ultrasonic tests for the lower body of the main feedwater isolation valve were performed. The experimental results in terms of static pressure obtained for the downscaled facility were compared with those of three-dimensional (3D) numerical analysis using the FLUENT code. Based on the 3D analytical results that agreed well with the experimental results, the numerical analysis after magnifying the experimental verification model with the actual size was reperformed, and the turbulence parameters were compared with the measured wall thickness. The vertical flow in the direction of the wall was analogous to the wall-thinning configuration, and the turbulence intensity of the limited surface of the lower wall had an effect on wall thinning. These results well match those of the previous studies, where locations colliding vertically against components undergo severe wall thinning. |
| doi_str_mv | 10.1080/18811248.2008.9711413 |
| format | Article |
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The experimental results in terms of static pressure obtained for the downscaled facility were compared with those of three-dimensional (3D) numerical analysis using the FLUENT code. Based on the 3D analytical results that agreed well with the experimental results, the numerical analysis after magnifying the experimental verification model with the actual size was reperformed, and the turbulence parameters were compared with the measured wall thickness. The vertical flow in the direction of the wall was analogous to the wall-thinning configuration, and the turbulence intensity of the limited surface of the lower wall had an effect on wall thinning. These results well match those of the previous studies, where locations colliding vertically against components undergo severe wall thinning.</description><identifier>ISSN: 0022-3131</identifier><identifier>EISSN: 1881-1248</identifier><identifier>DOI: 10.1080/18811248.2008.9711413</identifier><identifier>CODEN: JNSTAX</identifier><language>eng</language><publisher>Tokyo: Taylor & Francis Group</publisher><subject>Applied sciences ; Energy ; Energy. Thermal use of fuels ; Exact sciences and technology ; Fission nuclear power plants ; flow-accelerated corrosion (FAC) ; FLUENT ; fluid dynamics ; Installations for energy generation and conversion: thermal and electrical energy ; main feedwater isolation valve (MFIV) ; numerical analysis ; UT measurement ; wall thinning</subject><ispartof>Journal of nuclear science and technology, 2008-01, Vol.45 (1), p.45-51</ispartof><rights>Copyright Taylor & Francis Group, LLC 2008</rights><rights>2008 INIST-CNRS</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c3583-898b35d04ba602435cef718561e8928fcd57c7b2c69c46c88eb8146d424f24e73</citedby></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,780,784,4024,27923,27924,27925</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=20188396$$DView record in Pascal Francis$$Hfree_for_read</backlink></links><search><creatorcontrib>HWANG, Kyeong Mo</creatorcontrib><creatorcontrib>JIN, Tae Eun</creatorcontrib><creatorcontrib>KIM, Kyung Hoon</creatorcontrib><title>A Study on Wall Thinning Causes Identified through Experiment, Numerical Analysis and Ultrasonic Test of Main Feedwater Isolation Valve</title><title>Journal of nuclear science and technology</title><description>To review the relations between flow behavior and wall thinning caused by flow-accelerated corrosion, an experiment, a numerical analysis and ultrasonic tests for the lower body of the main feedwater isolation valve were performed. The experimental results in terms of static pressure obtained for the downscaled facility were compared with those of three-dimensional (3D) numerical analysis using the FLUENT code. Based on the 3D analytical results that agreed well with the experimental results, the numerical analysis after magnifying the experimental verification model with the actual size was reperformed, and the turbulence parameters were compared with the measured wall thickness. The vertical flow in the direction of the wall was analogous to the wall-thinning configuration, and the turbulence intensity of the limited surface of the lower wall had an effect on wall thinning. These results well match those of the previous studies, where locations colliding vertically against components undergo severe wall thinning.</description><subject>Applied sciences</subject><subject>Energy</subject><subject>Energy. Thermal use of fuels</subject><subject>Exact sciences and technology</subject><subject>Fission nuclear power plants</subject><subject>flow-accelerated corrosion (FAC)</subject><subject>FLUENT</subject><subject>fluid dynamics</subject><subject>Installations for energy generation and conversion: thermal and electrical energy</subject><subject>main feedwater isolation valve (MFIV)</subject><subject>numerical analysis</subject><subject>UT measurement</subject><subject>wall thinning</subject><issn>0022-3131</issn><issn>1881-1248</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2008</creationdate><recordtype>article</recordtype><recordid>eNp9kM1uEzEUhUcIJELhEZC8gRUT_Dcez44oammkAgtSWFo3_mmMHDvYMy15Al67jpKyZHV9r8-5x_6a5i3Bc4Il_kikJIRyOacYy_nQE8IJe9bMjvP2ePG8mWFMacsIIy-bV6X8qq3gQs6avwv0fZzMAaWIfkIIaL31Mfp4h5YwFVvQytg4euetQeM2p-luiy7_7G32uzr_gL5Ou3rWENAiQjgUXxBEg27DmKGk6DVa2zKi5NAX8BFdWWseYLQZrUoKMPoa-wPCvX3dvHAQin1zrhfN7dXlennd3nz7vFoublrNOslaOcgN6wzmGxCYctZp63oiO0GsHKh02nS97jdUi0FzoaW0G0m4MJxyR7nt2UXz_rR3n9PvqT5N7XzRNgSINk1FMSokoX1Xhd1JqHMqJVun9vXPkA-KYHXErp6wqyN2dcZefe_OAVAqFpchal_-mSmuNjaIqvt00vnoUt7BQ8rBqBEOIeUnE_t_1COa8JcO</recordid><startdate>20080101</startdate><enddate>20080101</enddate><creator>HWANG, Kyeong Mo</creator><creator>JIN, Tae Eun</creator><creator>KIM, Kyung Hoon</creator><general>Taylor & Francis Group</general><general>Atomic Energy Society of Japan</general><scope>IQODW</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7SE</scope><scope>7SP</scope><scope>7TB</scope><scope>8FD</scope><scope>FR3</scope><scope>JG9</scope><scope>KR7</scope><scope>L7M</scope></search><sort><creationdate>20080101</creationdate><title>A Study on Wall Thinning Causes Identified through Experiment, Numerical Analysis and Ultrasonic Test of Main Feedwater Isolation Valve</title><author>HWANG, Kyeong Mo ; JIN, Tae Eun ; KIM, Kyung Hoon</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c3583-898b35d04ba602435cef718561e8928fcd57c7b2c69c46c88eb8146d424f24e73</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2008</creationdate><topic>Applied sciences</topic><topic>Energy</topic><topic>Energy. Thermal use of fuels</topic><topic>Exact sciences and technology</topic><topic>Fission nuclear power plants</topic><topic>flow-accelerated corrosion (FAC)</topic><topic>FLUENT</topic><topic>fluid dynamics</topic><topic>Installations for energy generation and conversion: thermal and electrical energy</topic><topic>main feedwater isolation valve (MFIV)</topic><topic>numerical analysis</topic><topic>UT measurement</topic><topic>wall thinning</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>HWANG, Kyeong Mo</creatorcontrib><creatorcontrib>JIN, Tae Eun</creatorcontrib><creatorcontrib>KIM, Kyung Hoon</creatorcontrib><collection>Pascal-Francis</collection><collection>CrossRef</collection><collection>Corrosion Abstracts</collection><collection>Electronics & Communications Abstracts</collection><collection>Mechanical & Transportation Engineering Abstracts</collection><collection>Technology Research Database</collection><collection>Engineering Research Database</collection><collection>Materials Research Database</collection><collection>Civil Engineering Abstracts</collection><collection>Advanced Technologies Database with Aerospace</collection><jtitle>Journal of nuclear science and technology</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>HWANG, Kyeong Mo</au><au>JIN, Tae Eun</au><au>KIM, Kyung Hoon</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>A Study on Wall Thinning Causes Identified through Experiment, Numerical Analysis and Ultrasonic Test of Main Feedwater Isolation Valve</atitle><jtitle>Journal of nuclear science and technology</jtitle><date>2008-01-01</date><risdate>2008</risdate><volume>45</volume><issue>1</issue><spage>45</spage><epage>51</epage><pages>45-51</pages><issn>0022-3131</issn><eissn>1881-1248</eissn><coden>JNSTAX</coden><abstract>To review the relations between flow behavior and wall thinning caused by flow-accelerated corrosion, an experiment, a numerical analysis and ultrasonic tests for the lower body of the main feedwater isolation valve were performed. The experimental results in terms of static pressure obtained for the downscaled facility were compared with those of three-dimensional (3D) numerical analysis using the FLUENT code. Based on the 3D analytical results that agreed well with the experimental results, the numerical analysis after magnifying the experimental verification model with the actual size was reperformed, and the turbulence parameters were compared with the measured wall thickness. The vertical flow in the direction of the wall was analogous to the wall-thinning configuration, and the turbulence intensity of the limited surface of the lower wall had an effect on wall thinning. These results well match those of the previous studies, where locations colliding vertically against components undergo severe wall thinning.</abstract><cop>Tokyo</cop><pub>Taylor & Francis Group</pub><doi>10.1080/18811248.2008.9711413</doi><tpages>7</tpages><oa>free_for_read</oa></addata></record> |
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| ispartof | Journal of nuclear science and technology, 2008-01, Vol.45 (1), p.45-51 |
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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 Energy Energy. Thermal use of fuels Exact sciences and technology Fission nuclear power plants flow-accelerated corrosion (FAC) FLUENT fluid dynamics Installations for energy generation and conversion: thermal and electrical energy main feedwater isolation valve (MFIV) numerical analysis UT measurement wall thinning |
| title | A Study on Wall Thinning Causes Identified through Experiment, Numerical Analysis and Ultrasonic Test of Main Feedwater Isolation Valve |
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