{"id":21992,"date":"2026-10-16T09:00:00","date_gmt":"2026-10-16T07:00:00","guid":{"rendered":"https:\/\/citeni.udc.es\/?p=21992"},"modified":"2026-10-15T19:38:33","modified_gmt":"2026-10-15T17:38:33","slug":"o-citeni-investiga-a-propulsion-nuclear-nos-buques-do-futuro-e-os-seus-retos-de-seguridade","status":"publish","type":"post","link":"https:\/\/citeni.udc.es\/gl\/o-citeni-investiga-a-propulsion-nuclear-nos-buques-do-futuro-e-os-seus-retos-de-seguridade\/","title":{"rendered":"O CITENI investiga a propulsi\u00f3n nuclear nos buques do futuro e os seus retos de seguridade"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-post\" data-elementor-id=\"21992\" class=\"elementor elementor-21992 elementor-21976\">\n\t\t\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-578e4c3e elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"578e4c3e\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-df10dff\" data-id=\"df10dff\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-6b0648e elementor-widget elementor-widget-tp-heading\" data-id=\"6b0648e\" data-element_type=\"widget\" data-widget_type=\"tp-heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\n\t\t\n                    <div class=\"tp-section\">\n                                <span class=\"tp-section__sub-title left-line right-line mb-25 tp-el-subtitle\">\n                    Unha investigaci\u00f3n da Universidade da Coru\u00f1a, en colaboraci\u00f3n coa Escola Superior N\u00e1utica Infante D. Henrique, de Portugal, analiza os riscos dos reactores de sales fundidas para a s\u00faa posible aplicaci\u00f3n ao transporte mar\u00edtimo                <\/span>\n                                                            <\/div>\n        \n        \n        \t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-4263ca08 elementor-widget elementor-widget-text-editor\" data-id=\"4263ca08\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<p>A procura de novas soluci\u00f3ns para descarbonizar o transporte mar\u00edtimo sit\u00faa a propulsi\u00f3n nuclear entre as tecnolox\u00edas que espertan interese investigador. A s\u00faa posible aplicaci\u00f3n a bordo, por\u00e9n, require estudar polo mi\u00fado os riscos e as condici\u00f3ns de seguridade. O <strong>Centro de Investigaci\u00f3n en Tecnolox\u00edas Navais e Industriais (CITENI)<\/strong>da <strong>Universidade da Coru\u00f1a (UDC<\/strong>) oc\u00fapase deste reto nunha investigaci\u00f3n desenvolvida en colaboraci\u00f3n coa <strong>Escola Superior N\u00e1utica Infante D. Henrique<\/strong>, de Portugal.<\/p><p>O traballo, titulado <strong>\u00abQualitative Risk Analysis on the Use of SMR for Maritime Nuclear Propulsion Using HAZID and HAZOP Methodologies\u00bb<\/strong>, analiza os perigos asociados aos reactores de sales fundidos e estuda como poder\u00edan afectar ao funcionamento do reactor e \u00e1 seguridade dunha futura instalaci\u00f3n de propulsi\u00f3n naval.<\/p><p>O artigo est\u00e1 asinado por <strong>Jos\u00e9 Miguel Mah\u00eda<\/strong>, membro do<strong> Grupo de Investigaci\u00f3n en Enxe\u00f1ar\u00eda Enerx\u00e9tica (INGEN) <\/strong>da <strong>Escola T\u00e9cnica Superior de N\u00e1utica e M\u00e1quinas (ETSNM) <\/strong>da UDC, xunto con Diogo Faustino e Sandrina Pereira, da instituci\u00f3n portuguesa.<br\/><\/p><p>Os resultados present\u00e1ronse na <strong>Conferencia Anual da Asociaci\u00f3n Internacional de Universidades Mar\u00edtimas (IAMU)<\/strong>, que tivo lugar na Universidade de Split, en Croacia, do 7 ao 10 de outubro. Sandrina Pereira, da Escola Superior N\u00e1utica Infante D. Henrique, expuxo o traballo en representaci\u00f3n do equipo investigador.<\/p><p><strong>O potencial dos reactores modulares pequenos para o transporte mar\u00edtimo<\/strong><\/p> <p>A investigaci\u00f3n analiza o potencial dos denominados Small Modular Reactors (SMR), reactores nucleares compactos que espertan un interese internacional crecente como alternativa enerx\u00e9tica para avanzar na descarbonizaci\u00f3n do transporte mar\u00edtimo. O seu menor tama\u00f1o, as melloras na xesti\u00f3n dos residuos xerados, a capacidade de fabricaci\u00f3n modular e os sistemas de seguridade pasiva sit\u00faanos entre as tecnolox\u00edas con potencial para contribu\u00edr \u00e1 reduci\u00f3n das emisi\u00f3ns no sector naval.<\/p><p>Para o estudo, o equipo seleccionou como caso de an\u00e1lise un reactor de sales fundidos (Molten Salt Reactor, MSR), unha das tecnolox\u00edas inclu\u00eddas entre os reactores de cuarta xeraci\u00f3n (GEN-IV). Entre as s\u00faas caracter\u00edsticas destacan o funcionamento a baixa presi\u00f3n, a elevada densidade enerx\u00e9tica, a mellora da eficiencia t\u00e9rmica e a incorporaci\u00f3n de mecanismos de seguridade pasiva que poden permitir deter o reactor sen necesidade de intervenci\u00f3n humana.<\/p><p><strong>D\u00faas metodolox\u00edas para identificar e avaliar os riscos<\/strong><\/p> <p>O persoal investigador aplicou as metodolox\u00edas internacionais <strong>HAZID<\/strong>(<em>Hazard Identification<\/em>) e <strong>HAZOP<\/strong>(<em>Hazard and Operability Study<\/em>), ferramentas amplamente utilizadas en enxe\u00f1ar\u00eda para identificar perigos, analizar desviaci\u00f3ns e avaliar as posibles consecuencias para a seguridade a bordo. Mentres que a HAZID permite obter unha visi\u00f3n global dos riscos m\u00e1is relevantes, o HAZOP ofrece unha an\u00e1lise detallada das posibles desviaci\u00f3ns operativas e das relaci\u00f3ns entre as s\u00faas causas e consecuencias, que poder\u00edan dar lugar a situaci\u00f3ns inseguras.<\/p><p><strong>Oportunidades e desaf\u00edos para a propulsi\u00f3n nuclear<\/strong><\/p><p>Segundo explica Jos\u00e9 Miguel Mah\u00eda, \u00abos SMR representan unha tecnolox\u00eda con potencial para contribu\u00edr a descarbonizar o transporte mar\u00edtimo mantendo os elevados niveis de autonom\u00eda, fiabilidade e seguridade que esixe o sector\u00bb.<\/p><p>O interese por estas tecnolox\u00edas tam\u00e9n se reflicte no \u00e1mbito institucional e industrial. A Comisi\u00f3n Europea impulsou a Alianza Industrial Europea para os SMR e identificou estes reactores como un elemento estrat\u00e9xico. Pola s\u00faa banda, sociedades de clasificaci\u00f3n como DNV, Lloyd\u2019s, Bureau Veritas e ABS destacan o seu potencial para a propulsi\u00f3n mar\u00edtima e a necesidade de desenvolver os marcos t\u00e9cnicos necesarios para chegar a implantalas.<\/p><p>Os resultados mostran que, a\u00ednda que os MSR ofrecen oportunidades para reducir as emisi\u00f3ns asociadas ao transporte mar\u00edtimo, tam\u00e9n presentan retos relacionados coa circulaci\u00f3n dos sales fundidos, a evacuaci\u00f3n da calor residual, o control da reactividade do reactor e a corrosi\u00f3n dos materiais.<\/p><p>A participaci\u00f3n no foro internacional da IAMU reforza a presenza do CITENI e da UDC na investigaci\u00f3n sobre as novas tecnolox\u00edas de propulsi\u00f3n mar\u00edtima e no desenvolvemento de soluci\u00f3ns enerx\u00e9ticas orientadas a unha nova xeraci\u00f3n de buques m\u00e1is sostibles e con menores emisi\u00f3ns contaminantes.<\/p>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<\/div>\n\t\t","protected":false},"excerpt":{"rendered":"<p>Unha investigaci\u00f3n da Universidade da Coru\u00f1a, en colaboraci\u00f3n coa Escola Superior N\u00e1utica Infante D. Henrique, de Portugal, analiza os riscos dos reactores de sales fundidas para a s\u00faa posible aplicaci\u00f3n ao transporte mar\u00edtimo A procura de novas soluci\u00f3ns para descarbonizar o transporte mar\u00edtimo sit\u00faa a propulsi\u00f3n nuclear entre as tecnolox\u00edas que espertan interese investigador. A [&hellip;]<\/p>\n","protected":false},"author":6,"featured_media":21983,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"inline_featured_image":false,"_vp_format_video_url":"","_vp_image_focal_point":{"x":0.68000000000000005,"y":0.34999999999999998},"footnotes":""},"categories":[96],"tags":[],"class_list":["post-21992","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-novas"],"acf":[],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 4.9.9 - aioseo.com -->\n\t<meta name=\"description\" content=\"Unha investigaci\u00f3n da Universidade da Coru\u00f1a, en colaboraci\u00f3n coa Escola Superior N\u00e1utica Infante D. 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