{"id":3881,"date":"2019-08-24T15:47:17","date_gmt":"2019-08-24T13:47:17","guid":{"rendered":"http:\/\/www.blue-bears.com\/blog\/?p=3881"},"modified":"2021-06-07T22:56:38","modified_gmt":"2021-06-07T20:56:38","slug":"reacteurs-sels-fondus-molten-salt-reactor","status":"publish","type":"post","link":"http:\/\/www.blue-bears.com\/blog\/?p=3881","title":{"rendered":"R\u00e9acteurs Sels Fondus &#8211; Molten Salt Reactor &#8211; MSFR"},"content":{"rendered":"<p>R\u00e9acteurs nucl\u00e9aires \u00e0 sels fondus :<\/p>\n<p>La r\u00e9action nucl\u00e9aire \u00e0 lieu dans des sels de thorium \u00e0 900\u00b0<\/p>\n<p><a href=\"https:\/\/fr.wikipedia.org\/wiki\/R%C3%A9acteur_nucl%C3%A9aire_%C3%A0_sels_fondus\">https:\/\/fr.wikipedia.org\/wiki\/R%C3%A9acteur_nucl%C3%A9aire_%C3%A0_sels_fondus<\/a><\/p>\n<ul>\n<li>Thorium :\n<ul>\n<li>Capacit\u00e9 \u00e9nerg\u00e9tique : 1kg Thorium = 200 kg d&rsquo;Uranium =&gt; 3,5 millions de Kg de Charbon.<\/li>\n<li>Abondant (1 terrain de foot sur 10 m = 1 tonne de Th) et uniform\u00e9ment r\u00e9parti dans le monde.<\/li>\n<\/ul>\n<\/li>\n<li>Intrins\u00e8quement stables\n<ul>\n<li>L&rsquo;\u00e9l\u00e9vation de temp\u00e9rature entraine une diminution de la densit\u00e9 qui entraine une baisse de la r\u00e9action nucl\u00e9aire.<\/li>\n<li>L&rsquo;arr\u00eat du retraitement en ligne empoisonne le r\u00e9acteur et l&rsquo;arr\u00eate.<\/li>\n<li>Travail \u00e0 pression ambiante<\/li>\n<li>Pas de r\u00e9action des sels avec l\u2019environnement : eau, air..<\/li>\n<li>Tous les contre-r\u00e9actions sont n\u00e9gatives =&gt; tendance naturelle \u00e0 retrouver un \u00e9tat stable.<\/li>\n<\/ul>\n<\/li>\n<li>Plus simple de structure\n<ul>\n<li>Combustible charg\u00e9 une fois\u00a0 + ajout et retraitement en continu (40 l\/jour pour 18M3 soit 50 tonnes de combustible)<\/li>\n<li>Arr\u00eat d&rsquo;urgence du r\u00e9acteur par vidange des sels fondus dans un bac en piscine sous le r\u00e9acteur : 100 secondes.<\/li>\n<\/ul>\n<\/li>\n<li>Non prolif\u00e9ration =&gt; pas de PU =&gt; qui explique l&rsquo;abandon des projets pendant la guerre froide.<\/li>\n<li>Combustibles (Thorium) + abondant que l&rsquo;uranium<\/li>\n<li>R\u00e9g\u00e9n\u00e9rateur de combustible et sur-g\u00e9n\u00e9rateur de mati\u00e8re fissile.<\/li>\n<li>Retraitement des d\u00e9chets \u00e0 vie longue<\/li>\n<li>Souplesse d&rsquo;activit\u00e9 : mont\u00e9e\/baisse en puissance en quelques secondes (par contr\u00f4le du refroidissement)<\/li>\n<li>Dur\u00e9e de vie sup\u00e9rieure aux r\u00e9acteurs \u00e0 neutrons rapides \u00ab\u00a0classiques\u00a0\u00bb : moins de d\u00e9g\u00e2ts aux mat\u00e9riaux de structure.<\/li>\n<\/ul>\n<p><!--more--><\/p>\n<p>&nbsp;<\/p>\n<p>MSFR: version Fran\u00e7aise =&gt; neutrons rapide (pas de couverture graphite)<\/p>\n<ul>\n<li>Daniel HUER (labo Grenoble CNRS)<\/li>\n<\/ul>\n<p><a href=\"https:\/\/www.sauvonsleclimat.org\/images\/articles\/pdf_files\/ue_2016\/05-Heuer_Creusot-2016_MSFR.pdf\">https:\/\/www.sauvonsleclimat.org\/images\/articles\/pdf_files\/ue_2016\/05-Heuer_Creusot-2016_MSFR.pdf<\/a><\/p>\n<p>TEDEX :<\/p>\n<p><iframe loading=\"lazy\" width=\"1170\" height=\"658\" src=\"https:\/\/www.youtube.com\/embed\/Z0G8QxaYRds?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; encrypted-media; gyroscope; picture-in-picture\" allowfullscreen><\/iframe><\/p>\n<p>R\u00e9acteur nucl\u00e9aire \u00e0 combustible liquide le<a href=\"https:\/\/webtv.univ-rouen.fr\/videos\/reacteur-nucleaire-a-combustible-liquide-le-msfr-par-daniel-heuer\/\"> MSFR par Daniel HEUER<\/a> (16 d\u00e9cembre 2016)<\/p>\n<p>&nbsp;<\/p>\n<div style=\"width: 960px;\" class=\"wp-video\"><!--[if lt IE 9]><script>document.createElement('video');<\/script><![endif]-->\n<video class=\"wp-video-shortcode\" id=\"video-3881-1\" width=\"960\" height=\"544\" preload=\"metadata\" controls=\"controls\"><source type=\"video\/mp4\" src=\"http:\/\/www.blue-bears.com\/blog\/wp-content\/uploads\/2019\/08\/R\u00e9acteur-nucl\u00e9aire-\u00e0-combustible-liquide-le-MSFR-par-Daniel-1.mp4?_=1\" \/><a href=\"http:\/\/www.blue-bears.com\/blog\/wp-content\/uploads\/2019\/08\/R\u00e9acteur-nucl\u00e9aire-\u00e0-combustible-liquide-le-MSFR-par-Daniel-1.mp4\">http:\/\/www.blue-bears.com\/blog\/wp-content\/uploads\/2019\/08\/R\u00e9acteur-nucl\u00e9aire-\u00e0-combustible-liquide-le-MSFR-par-Daniel-1.mp4<\/a><\/video><\/div>\n","protected":false},"excerpt":{"rendered":"<p>R\u00e9acteurs nucl\u00e9aires \u00e0 sels fondus : La r\u00e9action nucl\u00e9aire \u00e0 lieu dans des sels de thorium \u00e0 900\u00b0 https:\/\/fr.wikipedia.org\/wiki\/R%C3%A9acteur_nucl%C3%A9aire_%C3%A0_sels_fondus Thorium : Capacit\u00e9 [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-3881","post","type-post","status-publish","format-standard","hentry","category-non-classe"],"_links":{"self":[{"href":"http:\/\/www.blue-bears.com\/blog\/index.php?rest_route=\/wp\/v2\/posts\/3881","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/www.blue-bears.com\/blog\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/www.blue-bears.com\/blog\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/www.blue-bears.com\/blog\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/www.blue-bears.com\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=3881"}],"version-history":[{"count":14,"href":"http:\/\/www.blue-bears.com\/blog\/index.php?rest_route=\/wp\/v2\/posts\/3881\/revisions"}],"predecessor-version":[{"id":4667,"href":"http:\/\/www.blue-bears.com\/blog\/index.php?rest_route=\/wp\/v2\/posts\/3881\/revisions\/4667"}],"wp:attachment":[{"href":"http:\/\/www.blue-bears.com\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=3881"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/www.blue-bears.com\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=3881"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/www.blue-bears.com\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=3881"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}