Muhtemelen bir dilim pizzay\u0131 \u0131s\u0131tmak i\u00e7in \u00f6ncelikle onu buzdolab\u0131na koymay\u0131 d\u00fc\u015f\u00fcnmezsiniz. Ancak konuya ili\u015fkin teorik bir \u00e7al\u0131\u015fmaya g\u00f6re, \u0131s\u0131tma i\u015fleminden \u00f6nce ilk ad\u0131m olarak so\u011futma i\u015flemi yap\u0131lmas\u0131 belirli malzemelerin \u0131s\u0131t\u0131lmas\u0131 i\u00e7in en h\u0131zl\u0131 yol olabilir.<\/p>\n
Physical Review Letters portal\u0131nda yay\u0131nlanan \u00e7al\u0131\u015fmada yer alan fizik\u00e7iler, \u00f6n so\u011futma i\u015flemi yap\u0131lmas\u0131n\u0131n h\u0131zl\u0131 ve katlanarak artan bir \u0131s\u0131nmaya yol a\u00e7abilece\u011fini ifade ediyor. Bu \u0131s\u0131nma mekanizmas\u0131 Mpemba etkisine benzer bir bi\u00e7imde i\u015fliyor. Bu etki, baz\u0131 \u00f6zel ko\u015fullar alt\u0131nda s\u0131cak suyun so\u011fuk sudan daha h\u0131zl\u0131 donmas\u0131 olarak a\u00e7\u0131klan\u0131r. Mant\u0131\u011fa ayk\u0131r\u0131 gibi g\u00f6r\u00fcnen bu etki tart\u0131\u015fmal\u0131 durumdad\u0131r. Biliminsanlar\u0131 Mpemba etkisinin neden olu\u015ftu\u011fu konusunda fikir birli\u011fine varabilmi\u015f de\u011filler. Ayr\u0131ca bu etkiyi s\u00fcrekli olarak \u00fcretmek de hi\u00e7 kolay de\u011fil. Ara\u015ft\u0131rmaya dahil olmayan fizik\u00e7i Andr\u00e9s Santos, \u201cYeni \u00e7al\u0131\u015fma, Mpemba etkisi gibi etkileri farkl\u0131 bir perspektiften d\u00fc\u015f\u00fcnmenin yeni bir yolu\u201d a\u00e7\u0131klamalar\u0131nda bulundu.<\/p>\n
\u00d6n so\u011futma yoluyla daha h\u0131zl\u0131 \u0131s\u0131nma potansiyeli kazanmak asl\u0131nda pizza dilimleri i\u00e7in de\u011fil, biliminsanlar\u0131n\u0131n ger\u00e7ek malzemelerin yap\u0131s\u0131n\u0131 anlamak ve konuya dair hesaplamalar yapmak amac\u0131yla kulland\u0131klar\u0131 basitle\u015ftirilmi\u015f teorik malzeme modelleri i\u00e7in ge\u00e7erli bir metottur.<\/p>\n
Ara\u015ft\u0131rmac\u0131lar, Ising modeli adl\u0131 teorik bir sistem \u00fczerinde durdular ve bu sistem \u00fczerindeki atomlar\u0131n yap\u0131s\u0131 ile davran\u0131\u015flar\u0131n\u0131 incelediler. B\u00f6ylesi bir sistem i\u00e7erisinde \u00f6n so\u011futman\u0131n ard\u0131ndan daha h\u0131zl\u0131 bir \u0131s\u0131nma ger\u00e7ekle\u015febilmektedir. Ising modelindeki m\u0131knat\u0131slanmay\u0131 de\u011ferlendiren biliminsanlar\u0131na g\u00f6re, malzemenin so\u011futulmas\u0131 s\u0131ras\u0131nda atomlar aras\u0131ndaki manyetik de\u011fi\u015fimler \u0131s\u0131nman\u0131n daha h\u0131zl\u0131 ger\u00e7ekle\u015fmesini sa\u011flayabilir. Ara\u015ft\u0131rmac\u0131lar, bundan sonraki ara\u015ft\u0131rmalar\u0131nda manyetik ala\u015f\u0131mlar gibi ger\u00e7ek malzemelerde bu etkinin g\u00f6r\u00fcl\u00fcp g\u00f6r\u00fclmedi\u011fini ara\u015ft\u0131racak.<\/p>\n
\u0130spanya\u2019daki bir merkezde \u00e7al\u0131\u015fma y\u00fcr\u00fcten fizik\u00e7i Adolfo del Campo, \u201cBulgular heyecan verici. Biliminsanlar\u0131, kuantum mekani\u011finin kurallar\u0131na uyan ve standart malzemelerin baz\u0131 s\u0131n\u0131rlar\u0131n\u0131 a\u015fabilen k\u00fc\u00e7\u00fck malzemelerde \u0131s\u0131nma h\u0131z\u0131n\u0131n art\u0131r\u0131lmas\u0131 i\u00e7in \u00e7al\u0131\u015f\u0131yor\u201d dedi.<\/p>\n
Kaynak:<\/strong> https:\/\/www.sciencenews.org\/article\/fastest-way-heat-certain-materials-may-cool-them-first<\/p>\n","protected":false},"excerpt":{"rendered":" Muhtemelen bir dilim pizzay\u0131 \u0131s\u0131tmak i\u00e7in \u00f6ncelikle onu buzdolab\u0131na koymay\u0131 d\u00fc\u015f\u00fcnmezsiniz. Ancak konuya ili\u015fkin teorik bir \u00e7al\u0131\u015fmaya g\u00f6re, \u0131s\u0131tma i\u015fleminden \u00f6nce ilk ad\u0131m olarak so\u011futma i\u015flemi yap\u0131lmas\u0131 belirli malzemelerin \u0131s\u0131t\u0131lmas\u0131 i\u00e7in en h\u0131zl\u0131 yol olabilir. Physical Review Letters portal\u0131nda yay\u0131nlanan \u00e7al\u0131\u015fmada yer alan fizik\u00e7iler, \u00f6n so\u011futma i\u015flemi yap\u0131lmas\u0131n\u0131n h\u0131zl\u0131 ve katlanarak artan bir \u0131s\u0131nmaya yol […]<\/p>\n","protected":false},"author":1390,"featured_media":40254,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[19],"tags":[5835,5833,5832,5834],"class_list":["post-40253","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-bilim-gundemi","tag-ising-modeli","tag-isinma","tag-mpemba-etkisi","tag-on-sogutma"],"acf":[],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/bilimvegelecek.com.tr\/index.php\/wp-json\/wp\/v2\/posts\/40253","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/bilimvegelecek.com.tr\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/bilimvegelecek.com.tr\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/bilimvegelecek.com.tr\/index.php\/wp-json\/wp\/v2\/users\/1390"}],"replies":[{"embeddable":true,"href":"https:\/\/bilimvegelecek.com.tr\/index.php\/wp-json\/wp\/v2\/comments?post=40253"}],"version-history":[{"count":0,"href":"https:\/\/bilimvegelecek.com.tr\/index.php\/wp-json\/wp\/v2\/posts\/40253\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/bilimvegelecek.com.tr\/index.php\/wp-json\/wp\/v2\/media\/40254"}],"wp:attachment":[{"href":"https:\/\/bilimvegelecek.com.tr\/index.php\/wp-json\/wp\/v2\/media?parent=40253"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/bilimvegelecek.com.tr\/index.php\/wp-json\/wp\/v2\/categories?post=40253"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/bilimvegelecek.com.tr\/index.php\/wp-json\/wp\/v2\/tags?post=40253"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}