{"id":190,"date":"2015-11-19T15:56:32","date_gmt":"2015-11-19T15:56:32","guid":{"rendered":"http:\/\/johnbrear-plantintegrity.com\/?page_id=190"},"modified":"2019-01-18T20:48:53","modified_gmt":"2019-01-18T20:48:53","slug":"drop-testing-fuel-transport-flasks","status":"publish","type":"page","link":"https:\/\/johnbrear-plantintegrity.com\/?page_id=190","title":{"rendered":"Drop testing of fuel transport flasks"},"content":{"rendered":"<figure id=\"attachment_547\" aria-describedby=\"caption-attachment-547\" style=\"width: 583px\" class=\"wp-caption alignright\"><img fetchpriority=\"high\" decoding=\"async\" src=\"http:\/\/johnbrear-plantintegrity.com\/wp-content\/uploads\/2019\/01\/Smash-hit.png\" alt=\"\" width=\"583\" height=\"434\" class=\"size-full wp-image-547\" srcset=\"https:\/\/johnbrear-plantintegrity.com\/wp-content\/uploads\/2019\/01\/Smash-hit.png 583w, https:\/\/johnbrear-plantintegrity.com\/wp-content\/uploads\/2019\/01\/Smash-hit-300x223.png 300w\" sizes=\"(max-width: 583px) 100vw, 583px\" \/><figcaption id=\"caption-attachment-547\" class=\"wp-caption-text\">From \u2018Operation Smash Hit\u2019  \u2013  \u00a9 CEGB \/ Magnox<br \/><\/figcaption><\/figure>\r\n<p>Drop tests were used as part of the validation procedure for nuclear fuel transport flask designs.&#160; Initially, flasks were dropped from a height of 9 m at ambient temperature.&#160; Later, a requirement emerged to drop some flasks at -40\u00b0C to compare with European practice.<\/p>\r\n<p>Flasks were typically of 50 t mass, and achieved an impact velocity of 13 m\/s (~30 mph) with kinetic energy of 4.5 MJ.<\/p>\r\n<p>The object of this excercise was to devise a cooling method that would achieve the required temperature evenly across the flask in a reasonable timescale.&#160; Various coolants were considered and the effects of conduction and convection were taken into account, together with the contributions of heat capacity and latent heat.&#160; A successful procedure was achieved.<\/p>\r\n\r\n","protected":false},"excerpt":{"rendered":"<p>Drop tests were used as part of the validation procedure for nuclear fuel transport flask designs.&#160; Initially, flasks were dropped from a height of 9 m at ambient temperature.&#160; Later, a requirement emerged to drop some flasks at -40\u00b0C to compare with European practice. Flasks were typically of 50 t mass, and achieved an impact &hellip; <a href=\"https:\/\/johnbrear-plantintegrity.com\/?page_id=190\" class=\"more-link\">Continue reading <span class=\"screen-reader-text\">Drop testing of fuel transport flasks<\/span> <span class=\"meta-nav\">&rarr;<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"parent":107,"menu_order":12,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-190","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/johnbrear-plantintegrity.com\/index.php?rest_route=\/wp\/v2\/pages\/190","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/johnbrear-plantintegrity.com\/index.php?rest_route=\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/johnbrear-plantintegrity.com\/index.php?rest_route=\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/johnbrear-plantintegrity.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/johnbrear-plantintegrity.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=190"}],"version-history":[{"count":3,"href":"https:\/\/johnbrear-plantintegrity.com\/index.php?rest_route=\/wp\/v2\/pages\/190\/revisions"}],"predecessor-version":[{"id":548,"href":"https:\/\/johnbrear-plantintegrity.com\/index.php?rest_route=\/wp\/v2\/pages\/190\/revisions\/548"}],"up":[{"embeddable":true,"href":"https:\/\/johnbrear-plantintegrity.com\/index.php?rest_route=\/wp\/v2\/pages\/107"}],"wp:attachment":[{"href":"https:\/\/johnbrear-plantintegrity.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=190"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}