{"id":511551,"date":"2025-02-19T09:09:57","date_gmt":"2025-02-19T06:09:57","guid":{"rendered":"https:\/\/analyse.optim.biz\/?p=511551"},"modified":"2025-02-19T09:09:57","modified_gmt":"2025-02-19T06:09:57","slug":"video-record-in-domeniul-fuziunii-nucleare-oamenii-de-stiinta-au-reusit-sa-mentina-o-plasma-timp-de-22-de-minute","status":"publish","type":"post","link":"https:\/\/analyse.optim.biz\/?p=511551","title":{"rendered":"VIDEO Record \u00een domeniul fuziunii nucleare: Oamenii de \u015ftiin\u0163\u0103 au reu\u0219it s\u0103 men\u0163in\u0103 o plasm\u0103 timp de 22 de minute"},"content":{"rendered":"<div class=\"post-content\">\n<p>Oamenii de \u015ftiin\u0163\u0103 au trecut o \u201epiatr\u0103 de hotar\u201d pe calea fuziunii nucleare prin men\u0163inerea unei plasme timp de peste 22 de minute, un record, \u00een reactorul operat de CEA (Comisia pentru energie atomic\u0103) la Cadarache, \u00een departamentul Bouches-du-Rh\u00f4ne din sudul Fran\u0163ei, a anun\u0163at mar\u0163i organiza\u0163ia, relateaz\u0103 AFP, transmite News.ro.<\/p>\n<p>Fuziunea nuclear\u0103, care promite o energie curat\u0103, sigur\u0103, pu\u0163in costisitoare \u015fi practic inepuizabil\u0103, face obiectul cercet\u0103rii fundamentale de zeci de ani. Ea const\u0103 \u00een reproducerea reac\u0163iilor care au loc \u00een centrul stelelor, prin asamblarea a dou\u0103 nuclee atomice derivate din hidrogen. Acesta este opusul procesului de fisiune, utilizat \u00een centralele nucleare actuale, care const\u0103 \u00een ruperea leg\u0103turilor dintre nucleele atomice grele.<\/p>\n<div class=\"embed-container\">\n<a href=\"https:\/\/twitter.com\/CEA_Officiel\/status\/1891913068864733647?ref_src=twsrc%5Etfw\">https:\/\/twitter.com\/CEA_Officiel\/status\/1891913068864733647?ref_src=twsrc%5Etfw<\/a>\n<\/div>\n<p>Pentru a provoca o fuziune nuclear\u0103 este nevoie de temperaturi de cel pu\u0163in 100 de milioane de grade Celsius, pentru a crea \u015fi limita plasma. Acest gaz fierbinte, \u00eenc\u0103rcat electric, tinde s\u0103 devin\u0103 instabil, ceea ce poate provoca pierderi de energie \u015fi deci poate limita eficien\u0163a reac\u0163iei.<\/p>\n<p>La 12 februarie, reactorul tokamak West, exploatat de Comisariatul francez pentru energie atomic\u0103 \u015fi energii alternative (CEA) la Cadarache, a reu\u015fit s\u0103 men\u0163in\u0103 o plasm\u0103 timp de 1.337 de secunde, \u201eb\u0103t\u00e2nd cu 25% recordul anterior\u201d stabilit \u00een China \u00een ianuarie, a anun\u0163at CEA \u00eentr-un comunicat de pres\u0103. Ob\u0163inerea unei \u201eplasme lungi\u201d arat\u0103 c\u0103 \u201eavem control asupra producerii, dar \u015fi asupra men\u0163inerii sale\u201d, a declarat pentru AFP Anne-Isabelle \u00c9tienvre, director al cercet\u0103rii fundamentale la CEA.<\/p>\n<p>Oamenii de \u015ftiin\u0163\u0103 \u00eenc\u0103 trebuie s\u0103 dep\u0103\u015feasc\u0103 o serie de \u201eobstacole tehnologice\u201d \u00eenainte ca fuziunea termonuclear\u0103 s\u0103 poat\u0103 \u201eproduce mai mult\u0103 energie dec\u00e2t consum\u0103\u201d, ceea ce nu este \u00eenc\u0103 cazul, a subliniat ea.<\/p>\n<p>\u00cen lunile urm\u0103toare, echipa lui West inten\u0163ioneaz\u0103 s\u0103 ob\u0163in\u0103 \u201edurate de plasm\u0103 foarte lungi, de ordinul c\u00e2torva ore acumulate\u201d \u015fi s\u0103 \u00eenc\u0103lzeasc\u0103 \u201eaceast\u0103 plasm\u0103 la o temperatur\u0103 \u015fi mai ridicat\u0103 pentru a se apropia c\u00e2t mai mult posibil de condi\u0163iile a\u015fteptate \u00een plasmele de fuziune\u201d, precizeaz\u0103 CEA. Dar \u015fi \u201epentru a analiza impactul plasmei asupra duratei de via\u0163\u0103 a componentelor interne ale tokamak-ului \u00een fa\u0163a acestei plasme intense\u201d, adaug\u0103 Isabelle \u00c9tienvre.<\/p>\n<p>Scopul este de a \u201epreg\u0103ti c\u00e2t mai bine posibil exploatarea \u015ftiin\u0163ific\u0103 a Iter\u201d, proiectul de reactor experimental lansat \u00een 1985 de Uniunea European\u0103, China, Coreea de Sud, Statele Unite, India, Japonia \u015fi Rusia, explic\u0103 ea. Programat\u0103 ini\u0163ial pentru 2025, produc\u0163ia primei plasme \u00een Iter, care se confrunt\u0103 cu \u00eent\u00e2rzieri considerabile \u015fi dep\u0103\u015firi de costuri, a fost am\u00e2nat\u0103 \u00een var\u0103 pentru cel pu\u0163in 2033.<\/p>\n<div class=\"code-block code-block-15\">\n<h4>Urm\u0103re\u0219te mai jos produc\u021biile video ale G4Media:<\/h4>\n<\/div>\n<\/div>\n<p> Source URL: https:\/\/www.g4media.ro\/video-record-in-domeniul-fuziunii-nucleare-oamenii-de-stiinta-au-reusit-sa-mentina-o-plasma-timp-de-22-de-minute.html<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Oamenii de \u015ftiin\u0163\u0103 au trecut o \u201epiatr\u0103 de hotar\u201d pe calea fuziunii nucleare prin men\u0163inerea unei plasme timp de peste 22 de minute, un record, \u00een reactorul operat de CEA (Comisia pentru energie atomic\u0103) la Cadarache, \u00een departamentul Bouches-du-Rh\u00f4ne din sudul Fran\u0163ei, a anun\u0163at mar\u0163i organiza\u0163ia, relateaz\u0103 AFP, transmite News.ro. Fuziunea nuclear\u0103, care promite o [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":511552,"comment_status":"open","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[2],"tags":[24],"class_list":["post-511551","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-politics","tag-g4media"],"_links":{"self":[{"href":"https:\/\/analyse.optim.biz\/index.php?rest_route=\/wp\/v2\/posts\/511551","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/analyse.optim.biz\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/analyse.optim.biz\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/analyse.optim.biz\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/analyse.optim.biz\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=511551"}],"version-history":[{"count":0,"href":"https:\/\/analyse.optim.biz\/index.php?rest_route=\/wp\/v2\/posts\/511551\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/analyse.optim.biz\/index.php?rest_route=\/wp\/v2\/media\/511552"}],"wp:attachment":[{"href":"https:\/\/analyse.optim.biz\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=511551"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/analyse.optim.biz\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=511551"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/analyse.optim.biz\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=511551"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}