{"id":585572,"date":"2024-11-05T20:46:07","date_gmt":"2024-11-05T20:46:07","guid":{"rendered":"https:\/\/pdfstandards.shop\/product\/uncategorized\/iso-113112011\/"},"modified":"2024-11-05T20:46:07","modified_gmt":"2024-11-05T20:46:07","slug":"iso-113112011","status":"publish","type":"product","link":"https:\/\/pdfstandards.shop\/product\/publishers\/iso\/iso-113112011\/","title":{"rendered":"ISO 11311:2011"},"content":{"rendered":"<p>L&#039;ISO 11311:2011 sp\u00e9cifie des valeurs critiques (dont le facteur de multiplication effectif des neutrons, <i>k<\/i><sub>eff<\/sub>, est \u00e9gal \u00e0 1) usuelles de r\u00e9f\u00e9rence pour l&#039;oxyde mixte de plutonium et d&#039;uranium homog\u00e8ne mod\u00e9r\u00e9 par de l&#039;eau, s&#039;appuyant sur une comparaison inter-codes de valeurs critiques calcul\u00e9es. <\/p>\n<p>Elle est applicable \u00e0 des op\u00e9rations, hors r\u00e9acteurs nucl\u00e9aires, mettant en oeuvre des oxydes mixtes de plutonium et d&#039;uranium (MOX) non irradi\u00e9s. <\/p>\n<p>Le manque d&#039;exp\u00e9riences critiques pour les MOX emp\u00eache toute approche de validation classique des valeurs critiques. <\/p>\n<p>Divers syst\u00e8mes de r\u00e9f\u00e9rence, en termes de composition isotopique, d&#039;\u00e9paisseur de r\u00e9flexion par de l&#039;eau et de densit\u00e9 d&#039;oxyde, sont \u00e9tudi\u00e9s \u00e0 l&#039;aide de diff\u00e9rentes combinaisons de codes de calcul et de biblioth\u00e8ques de donn\u00e9es nucl\u00e9aires (c&#039;est-\u00e0-dire selon diff\u00e9rents sch\u00e9mas de calcul).<\/p>\n<p>Les valeurs critiques sp\u00e9cifi\u00e9es dans l&#039;ISO 11311:2011 sont les valeurs les plus basses parmi celles calcul\u00e9es selon chacun de ces sch\u00e9mas de calcul et r\u00e9put\u00e9es cr\u00e9dibles.<\/p>\n<p>Les valeurs de l&#039;ISO 11311:2011 sont des valeurs de r\u00e9f\u00e9rence et non des valeurs critiques absolues.<\/p>\n","protected":false},"excerpt":{"rendered":"<p><b>S\u00fbret\u00e9-criticit\u00e9 \u2014 Valeurs critiques pour oxydes mixtes homog\u00e8nes de plutonium et d&#8217;uranium hors r\u00e9acteurs<\/b><\/p>\n<table style=\"width: 100%\" border=\"0\" cellspacing=\"0\" cellpadding=\"0\">\n<tbody>\n<tr>\n<td>Published By<\/td>\n<td>Publication Date<\/td>\n<td>Number of Pages<\/td>\n<\/tr>\n<tr>\n<td><a href=\"https:\/\/pdfstandards.shop\/product-category\/publishers\/iso\/\"><b>ISO<\/b><\/a><\/td>\n<td>2011-07<\/td>\n<td>20<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n","protected":false},"featured_media":585586,"template":"","meta":{"rank_math_lock_modified_date":false,"ep_exclude_from_search":false},"product_cat":[464,2634],"product_tag":[],"class_list":{"0":"post-585572","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-27-120-30","7":"product_cat-iso","9":"first","10":"instock","11":"sold-individually","12":"shipping-taxable","13":"purchasable","14":"product-type-simple"},"_links":{"self":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product\/585572","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/types\/product"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/media\/585586"}],"wp:attachment":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/media?parent=585572"}],"wp:term":[{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product_cat?post=585572"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product_tag?post=585572"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}