{"id":113426,"date":"2024-07-25T03:38:29","date_gmt":"2024-07-25T01:38:29","guid":{"rendered":"https:\/\/www.linseis.com\/oelcuelen-degiskenler\/termal-difuezivite\/"},"modified":"2026-01-23T11:34:22","modified_gmt":"2026-01-23T10:34:22","slug":"termal-difuezivite","status":"publish","type":"page","link":"https:\/\/www.linseis.com\/tr\/oelcuelen-degiskenler\/termal-difuezivite\/","title":{"rendered":"Termal dif\u00fczivite"},"content":{"rendered":"\t\t
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\n\nTermal dif\u00fczivite\n<\/b><\/h1>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t
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Linseis<\/span><\/a><\/span><\/div>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t
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Termal dif\u00fczivite [m\u00b2\/s]
– termofiziksel bir parametre<\/h2>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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Bir maddenin s\u0131cakl\u0131k de\u011fi\u015fimlerine tepki verme h\u0131z\u0131, \u0131s\u0131l iletkenli\u011fine, yo\u011funlu\u011funa ve \u00f6zg\u00fcl \u0131s\u0131 kapasitesine ba\u011fl\u0131d\u0131r.<\/p>

\"\"<\/p>

\u03bb = Termal iletkenlik [W\/m*K]
\u03b1 = Termal dif\u00fczivite [mm\u00b2\/s]
Cp<\/sub> = \u00d6zg\u00fcl \u0131s\u0131 kapasitesi [J\/g*K]
\u03c1 = Yo\u011funluk [g\/cm\u00b3]<\/span><\/span><\/p>

<\/p>

Termal iletkenlik, \u0131s\u0131n\u0131n bir malzeme boyunca ne kadar h\u0131zl\u0131 yay\u0131ld\u0131\u011f\u0131n\u0131 belirler.<\/p>

\u00d6zg\u00fcl \u0131s\u0131 kapasitesi, bu \u0131s\u0131n\u0131n ne kadar\u0131n\u0131n malzemede depoland\u0131\u011f\u0131n\u0131 g\u00f6sterir.<\/p>

Yo\u011funluk, metrek\u00fcp ba\u015f\u0131na ne kadar malzeme bulundu\u011funu dikkate al\u0131r.<\/p>

Bu ili\u015fkiler termal dif\u00fczivite ile tan\u0131mlan\u0131r.<\/strong><\/p>

Bu malzeme miktar\u0131, \u0131s\u0131l iletkenlik ile \u00f6zg\u00fcl \u0131s\u0131 kapasitesi ve yo\u011funlu\u011fun \u00e7arp\u0131m\u0131n\u0131n b\u00f6l\u00fcm\u00fcne e\u015fittir. \u00d6l\u00e7\u00fc birimi [m\u00b2\/s] bu form\u00fclden hesaplan\u0131r<\/strong>.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t

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Termal dif\u00fczivite, \u0131s\u0131tma ve so\u011futma s\u00fcre\u00e7lerini, ya\u015fam alanlar\u0131ndaki s\u0131cakl\u0131k de\u011fi\u015fimlerini ve bina bile\u015fenlerindeki termal gerilimleri de\u011ferlendirmek i\u00e7in gereklidir.<\/p>

\u00d6rne\u011fin, yang\u0131n\u0131n yay\u0131lmas\u0131n\u0131 \u00f6nlemeye y\u00f6nelik yap\u0131sal tesisatlar\u0131n s\u0131n\u0131fland\u0131r\u0131lmas\u0131nda<\/strong> anahtar rakam \u00f6nemli<\/strong> bir kriterdir<\/strong>.<\/p>

Malzemelerde h\u0131zl\u0131 s\u0131cakl\u0131k dengelemesi gerekiyorsa, y\u00fcksek termal iletkenli\u011fe sahip malzemeler avantajl\u0131d\u0131r. Bunlar aras\u0131nda metaller ve grafit say\u0131labilir. Bu malzemeler \u00f6rne\u011fin s\u0131cakl\u0131k \u00f6l\u00e7\u00fcm cihazlar\u0131nda ve s\u0131cakl\u0131k kontrol cihazlar\u0131nda kullan\u0131l\u0131r. <\/p>

Metal olmayanlar s\u0131cakl\u0131\u011f\u0131 \u00f6nemli \u00f6l\u00e7\u00fcde daha az iyi iletir. Di\u011fer \u015feylerin yan\u0131 s\u0131ra rejenerat\u00f6rlerde \u0131s\u0131 depolama i\u00e7in uygundurlar. <\/p>

Termal dif\u00fcziviteyi \u00f6l\u00e7mek i\u00e7in, bir malzeme \u00f6rne\u011fi sabit, farkl\u0131 s\u0131cakl\u0131klara sahip iki eleman aras\u0131na yerle\u015ftirilir ve \u00f6rnekteki yerel ve zamansal s\u0131cakl\u0131k e\u011frisi analiz edilir.<\/p>

Bu unsurlar \u00f6rne\u011fin LINSEIS’te bulunabilir Is\u0131 Ak\u0131\u015f \u00d6l\u00e7er<\/g><\/g>. \u00c7ok ince katmanlar i\u00e7in hassas \u00f6l\u00e7\u00fcm verileri TF-LFA – LaserFlash<\/b><\/a> <\/strong>lazer \u0131\u015f\u0131nlar\u0131 temelinde \u00e7al\u0131\u015fan ince filmler i\u00e7in. <\/p>

Linseis \u00f6l\u00e7\u00fcm cihazlar\u0131, birlikte verilen yaz\u0131l\u0131m temelinde termal iletkenli\u011fi, termal dif\u00fcziviteyi ve \u00f6zg\u00fcl \u0131s\u0131 kapasitesini e\u015fzamanl\u0131 olarak belirler.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t","protected":false},"excerpt":{"rendered":"

Termal dif\u00fczivite Termal dif\u00fczivite [m\u00b2\/s]– termofiziksel bir parametre Bir maddenin s\u0131cakl\u0131k de\u011fi\u015fimlerine tepki verme h\u0131z\u0131, \u0131s\u0131l iletkenli\u011fine, yo\u011funlu\u011funa ve \u00f6zg\u00fcl \u0131s\u0131 kapasitesine ba\u011fl\u0131d\u0131r. \u03bb = Termal iletkenlik [W\/m*K]\u03b1 = Termal dif\u00fczivite [mm\u00b2\/s]Cp = \u00d6zg\u00fcl \u0131s\u0131 kapasitesi [J\/g*K]\u03c1 = Yo\u011funluk [g\/cm\u00b3] Termal iletkenlik, \u0131s\u0131n\u0131n bir malzeme boyunca ne kadar h\u0131zl\u0131 yay\u0131ld\u0131\u011f\u0131n\u0131 belirler. \u00d6zg\u00fcl \u0131s\u0131 kapasitesi, bu […]<\/p>\n","protected":false},"author":5,"featured_media":0,"parent":113363,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_acf_changed":false,"inline_featured_image":false,"footnotes":""},"class_list":["post-113426","page","type-page","status-publish","hentry"],"acf":[],"_links":{"self":[{"href":"https:\/\/www.linseis.com\/tr\/wp-json\/wp\/v2\/pages\/113426","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.linseis.com\/tr\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/www.linseis.com\/tr\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/www.linseis.com\/tr\/wp-json\/wp\/v2\/users\/5"}],"replies":[{"embeddable":true,"href":"https:\/\/www.linseis.com\/tr\/wp-json\/wp\/v2\/comments?post=113426"}],"version-history":[{"count":0,"href":"https:\/\/www.linseis.com\/tr\/wp-json\/wp\/v2\/pages\/113426\/revisions"}],"up":[{"embeddable":true,"href":"https:\/\/www.linseis.com\/tr\/wp-json\/wp\/v2\/pages\/113363"}],"wp:attachment":[{"href":"https:\/\/www.linseis.com\/tr\/wp-json\/wp\/v2\/media?parent=113426"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}