{"id":18078,"date":"2020-06-26T19:13:45","date_gmt":"2020-06-26T19:13:45","guid":{"rendered":"https:\/\/www.radiation-dosimetry.org\/o-que-e-a-equacao-de-bateman-decaimento-radioativo-definicao\/"},"modified":"2020-07-24T05:43:26","modified_gmt":"2020-07-24T05:43:26","slug":"o-que-e-a-equacao-de-bateman-decaimento-radioativo-definicao","status":"publish","type":"post","link":"https:\/\/www.radiation-dosimetry.org\/pt-br\/o-que-e-a-equacao-de-bateman-decaimento-radioativo-definicao\/","title":{"rendered":"O que \u00e9 a Equa\u00e7\u00e3o de Bateman &#8211; Decaimento Radioativo &#8211; Defini\u00e7\u00e3o"},"content":{"rendered":"<div class=\"su-quote su-quote-style-default\">\n<div class=\"su-quote-inner su-u-clearfix su-u-trim\">Na f\u00edsica, as equa\u00e7\u00f5es de Bateman s\u00e3o um conjunto de equa\u00e7\u00f5es diferenciais de primeira ordem, que descrevem a evolu\u00e7\u00e3o no tempo das concentra\u00e7\u00f5es de nucl\u00eddeos em cadeia de decaimento serial ou linear.\u00a0As equa\u00e7\u00f5es de Bateman tamb\u00e9m podem ser usadas em c\u00f3digos de deple\u00e7\u00e3o nuclear para resolver problemas de transmuta\u00e7\u00e3o nuclear e decaimento.\u00a0Dosimetria de Radia\u00e7\u00e3o<\/div>\n<\/div>\n<div class=\"su-divider su-divider-style-dotted\"><\/div>\n<div class=\"lgc-column lgc-grid-parent lgc-grid-100 lgc-tablet-grid-100 lgc-mobile-grid-100 lgc-equal-heights lgc-first lgc-last\">\n<div class=\"inside-grid-column\">\n<p>Na f\u00edsica, as\u00a0<strong>equa\u00e7\u00f5es de Bateman<\/strong>\u00a0s\u00e3o um conjunto de equa\u00e7\u00f5es diferenciais de primeira ordem, que descrevem a evolu\u00e7\u00e3o no tempo das concentra\u00e7\u00f5es de nucl\u00eddeos em cadeia de decaimento serial ou linear.\u00a0O modelo foi formulado por Ernest Rutherford em 1905 e a solu\u00e7\u00e3o anal\u00edtica para o caso de decaimento radioativo em uma cadeia linear foi fornecida por Harry Bateman em 1910. Esse modelo tamb\u00e9m pode ser usado em c\u00f3digos de deple\u00e7\u00e3o nuclear para resolver problemas de transmuta\u00e7\u00e3o e decaimento nuclear.<\/p>\n<p>Por exemplo, o ORIGEN \u00e9 um sistema de c\u00f3digo de computador para calcular o ac\u00famulo, deteriora\u00e7\u00e3o e processamento de materiais radioativos.\u00a0O ORIGEN usa um m\u00e9todo exponencial de matriz para resolver um grande sistema de equa\u00e7\u00f5es diferenciais ordin\u00e1rias lineares de primeira ordem acopladas (semelhantes \u00e0s\u00a0<strong>equa\u00e7\u00f5es de Bateman<\/strong>\u00a0) com coeficientes constantes.<\/p>\n<p>As\u00a0<strong>equa\u00e7\u00f5es de Bateman<\/strong>\u00a0para o caso de decaimento radioativo da s\u00e9rie n &#8211; nucl\u00eddeo em cadeia linear que descreve as concentra\u00e7\u00f5es de nucl\u00eddeo s\u00e3o as seguintes:<\/p>\n<p><a href=\"https:\/\/www.radiation-dosimetry.org\/wp-content\/uploads\/2019\/12\/Bateman-Equations-definition.png\"><img loading=\"lazy\" class=\"aligncenter size-large wp-image-25271 lazy-loaded\" src=\"https:\/\/www.radiation-dosimetry.org\/wp-content\/uploads\/2019\/12\/Bateman-Equations-definition-1024x597.png\" alt=\"Equa\u00e7\u00f5es de Bateman\" width=\"1024\" height=\"597\" data-lazy-type=\"image\" data-src=\"https:\/\/www.radiation-dosimetry.org\/wp-content\/uploads\/2019\/12\/Bateman-Equations-definition-1024x597.png\" \/><\/a><\/p>\n<p><strong>Equa\u00e7\u00f5es de Bateman para Transmuta\u00e7\u00e3o Nuclear<\/strong><\/p>\n<figure id=\"attachment_18460\" class=\"wp-caption alignright\" aria-describedby=\"caption-attachment-18460\"><a href=\"https:\/\/www.radiation-dosimetry.org\/wp-content\/uploads\/2019\/12\/Fuel-Depletion-Isotopic-Changes.png\"><img loading=\"lazy\" class=\"size-medium wp-image-18459 lazy-loaded\" src=\"https:\/\/www.radiation-dosimetry.org\/wp-content\/uploads\/2019\/12\/Fuel-Depletion-Isotopic-Changes-300x226.png\" alt=\"Deple\u00e7\u00e3o de combust\u00edvel - altera\u00e7\u00f5es isot\u00f3picas\" width=\"300\" height=\"226\" data-lazy-type=\"image\" data-src=\"https:\/\/www.radiation-dosimetry.org\/wp-content\/uploads\/2019\/12\/Fuel-Depletion-Isotopic-Changes-300x226.png\" \/><\/a><figcaption id=\"caption-attachment-18460\" class=\"wp-caption-text\">Altera\u00e7\u00f5es isot\u00f3picas de 4% de combust\u00edvel de ur\u00e2nio-235 em fun\u00e7\u00e3o da queima de combust\u00edvel.<\/figcaption><\/figure>\n<p>Como foi escrito, esse modelo tamb\u00e9m pode ser usado em\u00a0<strong>c\u00f3digos de deple\u00e7\u00e3o nuclear<\/strong>\u00a0para resolver problemas\u00a0<strong><a href=\"https:\/\/www.nuclear-power.com\/nuclear-power\/reactor-physics\/reactor-operation\/fuel-burnup\/nuclear-transmutation\/\">de transmuta\u00e7\u00e3o nuclear<\/a><\/strong>\u00a0e\u00a0<strong>decaimento<\/strong>\u00a0.\u00a0No caso de transmuta\u00e7\u00e3o, as constantes de decaimento que governam as\u00a0<strong>equa\u00e7\u00f5es de Bateman<\/strong>\u00a0para um caso de decaimento s\u00e3o substitu\u00eddas por constantes de transmuta\u00e7\u00e3o.\u00a0Pela constante de transmuta\u00e7\u00e3o \u03bb\u00a0<sub>i, j<\/sub>\u00a0, entendemos a probabilidade da produ\u00e7\u00e3o do\u00a0<em>i-<\/em>\u00a0nucl\u00eddeo por unidade de tempo a partir da\u00a0destrui\u00e7\u00e3o\u00a0do\u00a0<em>j-<\/em>\u00a0\u00e9simo resultado, como resultado da intera\u00e7\u00e3o nuclear com todo o espectro de part\u00edculas em intera\u00e7\u00e3o ou devido ao decaimento nuclear natural.<\/p>\n<p>Essas equa\u00e7\u00f5es s\u00e3o geralmente usadas para a evolu\u00e7\u00e3o exata de altera\u00e7\u00f5es isot\u00f3picas no combust\u00edvel nuclear durante o esgotamento do combust\u00edvel.\u00a0<a href=\"https:\/\/www.nuclear-power.com\/nuclear-power\/reactor-physics\/reactor-operation\/fuel-burnup\/fuel-depletion-isotopic-changes-2\/\">O esgotamento de combust\u00edvel<\/a>\u00a0geralmente \u00e9 modelado matematicamente como um conjunto de equa\u00e7\u00f5es diferenciais conhecidas como\u00a0<strong>equa\u00e7\u00f5es de evolu\u00e7\u00e3o<\/strong>\u00a0.<\/p>\n<p>Refer\u00eancia especial: Jerzy Cetnar, solu\u00e7\u00e3o geral das equa\u00e7\u00f5es de Bateman para transmuta\u00e7\u00f5es nucleares.\u00a0Annals of Nuclear Energy 33 (2006).\u00a0Janeiro de 2006.<\/p>\n<\/div>\n<\/div>\n<div class=\"lgc-column lgc-grid-parent lgc-grid-100 lgc-tablet-grid-100 lgc-mobile-grid-100 lgc-equal-heights lgc-first lgc-last\">\n<div class=\"inside-grid-column\">\n<div class=\"su-spoiler su-spoiler-style-default su-spoiler-icon-arrow\" data-anchor=\"References\">\n<div class=\"su-spoiler-title\" tabindex=\"0\" role=\"button\"><\/div>\n<p>&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;.<\/p>\n<p>Este artigo \u00e9 baseado na tradu\u00e7\u00e3o autom\u00e1tica do artigo original em ingl\u00eas. Para mais informa\u00e7\u00f5es, consulte o artigo em ingl\u00eas. Voc\u00ea pode nos ajudar. Se voc\u00ea deseja corrigir a tradu\u00e7\u00e3o, envie-a para: translations@nuclear-power.com ou preencha o formul\u00e1rio de tradu\u00e7\u00e3o on-line. Agradecemos sua ajuda, atualizaremos a tradu\u00e7\u00e3o o mais r\u00e1pido poss\u00edvel. Obrigado.<\/p>\n<\/div>\n<\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>Na f\u00edsica, as equa\u00e7\u00f5es de Bateman s\u00e3o um conjunto de equa\u00e7\u00f5es diferenciais de primeira ordem, que descrevem a evolu\u00e7\u00e3o no tempo das concentra\u00e7\u00f5es de nucl\u00eddeos em cadeia de decaimento serial ou linear.\u00a0As equa\u00e7\u00f5es de Bateman tamb\u00e9m podem ser usadas em c\u00f3digos de deple\u00e7\u00e3o nuclear para resolver problemas de transmuta\u00e7\u00e3o nuclear e decaimento.\u00a0Dosimetria de Radia\u00e7\u00e3o Na &#8230; <a title=\"O que \u00e9 a Equa\u00e7\u00e3o de Bateman &#8211; Decaimento Radioativo &#8211; Defini\u00e7\u00e3o\" class=\"read-more\" href=\"https:\/\/www.radiation-dosimetry.org\/pt-br\/o-que-e-a-equacao-de-bateman-decaimento-radioativo-definicao\/\" aria-label=\"More on O que \u00e9 a Equa\u00e7\u00e3o de Bateman &#8211; Decaimento Radioativo &#8211; Defini\u00e7\u00e3o\">Ler mais<\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":[],"categories":[51],"tags":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v15.4 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>O que \u00e9 a Equa\u00e7\u00e3o de Bateman - Decaimento Radioativo - Defini\u00e7\u00e3o<\/title>\n<meta name=\"description\" content=\"Na f\u00edsica, as equa\u00e7\u00f5es de Bateman s\u00e3o um conjunto de equa\u00e7\u00f5es diferenciais de primeira ordem, que descrevem a evolu\u00e7\u00e3o no tempo das concentra\u00e7\u00f5es de nucl\u00eddeos em cadeia de decaimento serial ou linear. 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