Conclusions Drawn from the Buncefield and Naples Incidents Regarding the Utilization of Consequence Models
In both incidents, as a result of overfilling, a very large mass of winter gasoline (mf = 300 t in Buncefield, mf = 700 t in Naples) was released, which in both cases led to a major fire of several days duration and involved 22 of a total of 41 tanks (Buncefield) and 24 of a total of 31 tanks (Naple...
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| Veröffentlicht in: | Chemical engineering & technology 2009-02, Vol.32 (2), p.207-231 |
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| creator | Hailwood, M. Gawlowski, M. Schalau, B. Schönbucher, A. |
| description | In both incidents, as a result of overfilling, a very large mass of winter gasoline (mf = 300 t in Buncefield, mf = 700 t in Naples) was released, which in both cases led to a major fire of several days duration and involved 22 of a total of 41 tanks (Buncefield) and 24 of a total of 31 tanks (Naples). Whilst the Buncefield site was unconfined or only slightly confined, the Naples site had a high degree of confinement due to walls, buildings as well as a high embankment. The most important, current consequence models as well as new consequence models for the prediction of the extraordinarily high flame heights, extraordinarily high thermal radiation as well as the extraordinarily high maximum peak overpressure are described and discussed. The analysis of the Buncefield incident so far has shown that the maximum visible relative flame height lies in the region of 2.5 < (H/d)max,Bunc < 6.5 and the predicted value lies in the region 1.8 < (H/d)max,calc < 1.9. For large, black smoky fires the estimation of the critical thermal separation distance is not dependent on the total fire, but on the height of a hot, clear burning zone. In addition, for multiple tank fires there is a considerable increase in the mass burning rate, the flame height, the surface emission power as well as the thermal separation distance. With the new consequence models maximum peak overpressures for an unconfined vapor cloud explosion (UVCE) of ≈ 1.3 bar (Buncefield) and of ≈ 1.5 bar (Naples) are predicted. For a partially confined vapor cloud explosion (VCE) a maximum peak overpressure of ≈ 3 bar for a jet ignition into a corridor is predicted.
Due to overfilling, in both incidents a very large mass of winter gasoline was released. The most important, current consequence models as well as new consequence models for the prediction of the extraordinarily high flame heights, high thermal radiation as well as the high maximum peak overpressure are described and discussed. |
| doi_str_mv | 10.1002/ceat.200800595 |
| format | Article |
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Due to overfilling, in both incidents a very large mass of winter gasoline was released. The most important, current consequence models as well as new consequence models for the prediction of the extraordinarily high flame heights, high thermal radiation as well as the high maximum peak overpressure are described and discussed.</description><identifier>ISSN: 0930-7516</identifier><identifier>EISSN: 1521-4125</identifier><identifier>DOI: 10.1002/ceat.200800595</identifier><language>eng</language><publisher>Weinheim: WILEY-VCH Verlag</publisher><subject>Blast wave ; Case histories ; Consequence models ; Pool fires ; Thermal radiation ; Vapor cloud explosions (VCE)</subject><ispartof>Chemical engineering & technology, 2009-02, Vol.32 (2), p.207-231</ispartof><rights>Copyright © 2009 WILEY‐VCH Verlag GmbH & Co. KGaA, Weinheim</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c3955-99666f1637d1af2ec6bdd84f61a7104440a461778689e4f613c1d4e27f48cd3f3</citedby><cites>FETCH-LOGICAL-c3955-99666f1637d1af2ec6bdd84f61a7104440a461778689e4f613c1d4e27f48cd3f3</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://onlinelibrary.wiley.com/doi/pdf/10.1002%2Fceat.200800595$$EPDF$$P50$$Gwiley$$H</linktopdf><linktohtml>$$Uhttps://onlinelibrary.wiley.com/doi/full/10.1002%2Fceat.200800595$$EHTML$$P50$$Gwiley$$H</linktohtml><link.rule.ids>315,781,785,1418,27926,27927,45576,45577</link.rule.ids></links><search><creatorcontrib>Hailwood, M.</creatorcontrib><creatorcontrib>Gawlowski, M.</creatorcontrib><creatorcontrib>Schalau, B.</creatorcontrib><creatorcontrib>Schönbucher, A.</creatorcontrib><title>Conclusions Drawn from the Buncefield and Naples Incidents Regarding the Utilization of Consequence Models</title><title>Chemical engineering & technology</title><addtitle>Chem. Eng. Technol</addtitle><description>In both incidents, as a result of overfilling, a very large mass of winter gasoline (mf = 300 t in Buncefield, mf = 700 t in Naples) was released, which in both cases led to a major fire of several days duration and involved 22 of a total of 41 tanks (Buncefield) and 24 of a total of 31 tanks (Naples). Whilst the Buncefield site was unconfined or only slightly confined, the Naples site had a high degree of confinement due to walls, buildings as well as a high embankment. The most important, current consequence models as well as new consequence models for the prediction of the extraordinarily high flame heights, extraordinarily high thermal radiation as well as the extraordinarily high maximum peak overpressure are described and discussed. The analysis of the Buncefield incident so far has shown that the maximum visible relative flame height lies in the region of 2.5 < (H/d)max,Bunc < 6.5 and the predicted value lies in the region 1.8 < (H/d)max,calc < 1.9. For large, black smoky fires the estimation of the critical thermal separation distance is not dependent on the total fire, but on the height of a hot, clear burning zone. In addition, for multiple tank fires there is a considerable increase in the mass burning rate, the flame height, the surface emission power as well as the thermal separation distance. With the new consequence models maximum peak overpressures for an unconfined vapor cloud explosion (UVCE) of ≈ 1.3 bar (Buncefield) and of ≈ 1.5 bar (Naples) are predicted. For a partially confined vapor cloud explosion (VCE) a maximum peak overpressure of ≈ 3 bar for a jet ignition into a corridor is predicted.
Due to overfilling, in both incidents a very large mass of winter gasoline was released. The most important, current consequence models as well as new consequence models for the prediction of the extraordinarily high flame heights, high thermal radiation as well as the high maximum peak overpressure are described and discussed.</description><subject>Blast wave</subject><subject>Case histories</subject><subject>Consequence models</subject><subject>Pool fires</subject><subject>Thermal radiation</subject><subject>Vapor cloud explosions (VCE)</subject><issn>0930-7516</issn><issn>1521-4125</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2009</creationdate><recordtype>article</recordtype><recordid>eNqFkE1LAzEQhoMoWD-unnPytjXZbJLdo9ZPaBVKxWOIyUSjabYmW7T-erdWxJunYYb3eRhehI4oGVJCyhMDuhuWhNSE8IZvoQHlJS0qWvJtNCANI4XkVOyivZxfCCG0XwboZdRGE5bZtzHj86TfI3apnePuGfDZMhpwHoLFOlp8qxcBMr6JxluIXcZTeNLJ-vj0nb7vfPCfuutNuHW492Z4W0KvwJPWQsgHaMfpkOHwZ-6j-8uL2ei6GN9d3YxOx4VhDedF0wghHBVMWqpdCUY8WltXTlAtKamqiuhKUClrUTewPjNDbQWldFVtLHNsHx1vvIvU9g_kTs19NhCCjtAus2Ks1xAm--BwEzSpzTmBU4vk5zqtFCVqXalaV6p-K-2BZgO8-wCrf9JqdHE6-8sWG9bnDj5-WZ1elZBMcvVwe6Xq2aQ8n46F4uwLgC2Kdg</recordid><startdate>200902</startdate><enddate>200902</enddate><creator>Hailwood, M.</creator><creator>Gawlowski, M.</creator><creator>Schalau, B.</creator><creator>Schönbucher, A.</creator><general>WILEY-VCH Verlag</general><general>WILEY‐VCH Verlag</general><scope>BSCLL</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7U5</scope><scope>8FD</scope><scope>L7M</scope></search><sort><creationdate>200902</creationdate><title>Conclusions Drawn from the Buncefield and Naples Incidents Regarding the Utilization of Consequence Models</title><author>Hailwood, M. ; Gawlowski, M. ; Schalau, B. ; Schönbucher, A.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c3955-99666f1637d1af2ec6bdd84f61a7104440a461778689e4f613c1d4e27f48cd3f3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2009</creationdate><topic>Blast wave</topic><topic>Case histories</topic><topic>Consequence models</topic><topic>Pool fires</topic><topic>Thermal radiation</topic><topic>Vapor cloud explosions (VCE)</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Hailwood, M.</creatorcontrib><creatorcontrib>Gawlowski, M.</creatorcontrib><creatorcontrib>Schalau, B.</creatorcontrib><creatorcontrib>Schönbucher, A.</creatorcontrib><collection>Istex</collection><collection>CrossRef</collection><collection>Solid State and Superconductivity Abstracts</collection><collection>Technology Research Database</collection><collection>Advanced Technologies Database with Aerospace</collection><jtitle>Chemical engineering & technology</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Hailwood, M.</au><au>Gawlowski, M.</au><au>Schalau, B.</au><au>Schönbucher, A.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Conclusions Drawn from the Buncefield and Naples Incidents Regarding the Utilization of Consequence Models</atitle><jtitle>Chemical engineering & technology</jtitle><addtitle>Chem. Eng. Technol</addtitle><date>2009-02</date><risdate>2009</risdate><volume>32</volume><issue>2</issue><spage>207</spage><epage>231</epage><pages>207-231</pages><issn>0930-7516</issn><eissn>1521-4125</eissn><abstract>In both incidents, as a result of overfilling, a very large mass of winter gasoline (mf = 300 t in Buncefield, mf = 700 t in Naples) was released, which in both cases led to a major fire of several days duration and involved 22 of a total of 41 tanks (Buncefield) and 24 of a total of 31 tanks (Naples). Whilst the Buncefield site was unconfined or only slightly confined, the Naples site had a high degree of confinement due to walls, buildings as well as a high embankment. The most important, current consequence models as well as new consequence models for the prediction of the extraordinarily high flame heights, extraordinarily high thermal radiation as well as the extraordinarily high maximum peak overpressure are described and discussed. The analysis of the Buncefield incident so far has shown that the maximum visible relative flame height lies in the region of 2.5 < (H/d)max,Bunc < 6.5 and the predicted value lies in the region 1.8 < (H/d)max,calc < 1.9. For large, black smoky fires the estimation of the critical thermal separation distance is not dependent on the total fire, but on the height of a hot, clear burning zone. In addition, for multiple tank fires there is a considerable increase in the mass burning rate, the flame height, the surface emission power as well as the thermal separation distance. With the new consequence models maximum peak overpressures for an unconfined vapor cloud explosion (UVCE) of ≈ 1.3 bar (Buncefield) and of ≈ 1.5 bar (Naples) are predicted. For a partially confined vapor cloud explosion (VCE) a maximum peak overpressure of ≈ 3 bar for a jet ignition into a corridor is predicted.
Due to overfilling, in both incidents a very large mass of winter gasoline was released. The most important, current consequence models as well as new consequence models for the prediction of the extraordinarily high flame heights, high thermal radiation as well as the high maximum peak overpressure are described and discussed.</abstract><cop>Weinheim</cop><pub>WILEY-VCH Verlag</pub><doi>10.1002/ceat.200800595</doi><tpages>25</tpages></addata></record> |
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| subjects | Blast wave Case histories Consequence models Pool fires Thermal radiation Vapor cloud explosions (VCE) |
| title | Conclusions Drawn from the Buncefield and Naples Incidents Regarding the Utilization of Consequence Models |
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