{"id":101960,"date":"2024-07-25T03:38:29","date_gmt":"2024-07-25T01:38:29","guid":{"rendered":"https:\/\/www.linseis.com\/mierzone-zmienne\/dyfuzyjnosc-cieplna\/"},"modified":"2026-01-16T10:20:49","modified_gmt":"2026-01-16T09:20:49","slug":"dyfuzyjnosc-cieplna","status":"publish","type":"page","link":"https:\/\/www.linseis.com\/pl\/mierzone-zmienne\/dyfuzyjnosc-cieplna\/","title":{"rendered":"Dyfuzyjno\u015b\u0107 cieplna"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-post\" data-elementor-id=\"101960\" class=\"elementor elementor-101960 elementor-20539\" data-elementor-post-type=\"page\">\n\t\t\t\t<div class=\"elementor-element elementor-element-a3549cf e-flex e-con-boxed e-con e-parent\" data-id=\"a3549cf\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-ac41c94 elementor-widget elementor-widget-image\" data-id=\"ac41c94\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img decoding=\"async\" src=\"https:\/\/www.linseis.com\/wp-content\/uploads\/\/linseis_scale-top-1.svg\" title=\"\" alt=\"\" loading=\"lazy\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-a7b7feb e-con-full e-flex e-con e-child\" data-id=\"a7b7feb\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t<div class=\"elementor-element elementor-element-6100945 e-con-full e-flex e-con e-child\" data-id=\"6100945\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-cc1182c elementor-invisible elementor-widget elementor-widget-heading\" data-id=\"cc1182c\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;_animation&quot;:&quot;fadeInUp&quot;,&quot;_animation_delay&quot;:250}\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h1 class=\"elementor-heading-title elementor-size-default\"><b>\n\nPrzewodno\u015b\u0107 cieplna\n<\/b><\/h1>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-6d91a43 e-con-full e-flex e-con e-child\" data-id=\"6d91a43\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-9413374 elementor-widget elementor-widget-n-carousel\" data-id=\"9413374\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;carousel_items&quot;:[{&quot;slide_title&quot;:&quot;Produkt 1&quot;,&quot;_id&quot;:&quot;d6fbcdb&quot;}],&quot;slides_to_show&quot;:&quot;1&quot;,&quot;slides_to_scroll&quot;:&quot;2&quot;,&quot;autoplay_speed&quot;:2000,&quot;slides_to_show_tablet&quot;:&quot;1&quot;,&quot;slides_to_show_mobile&quot;:&quot;1&quot;,&quot;autoplay&quot;:&quot;yes&quot;,&quot;pause_on_hover&quot;:&quot;yes&quot;,&quot;pause_on_interaction&quot;:&quot;yes&quot;,&quot;infinite&quot;:&quot;yes&quot;,&quot;speed&quot;:500,&quot;offset_sides&quot;:&quot;none&quot;,&quot;image_spacing_custom&quot;:{&quot;unit&quot;:&quot;px&quot;,&quot;size&quot;:10,&quot;sizes&quot;:[]},&quot;image_spacing_custom_tablet&quot;:{&quot;unit&quot;:&quot;px&quot;,&quot;size&quot;:&quot;&quot;,&quot;sizes&quot;:[]},&quot;image_spacing_custom_mobile&quot;:{&quot;unit&quot;:&quot;px&quot;,&quot;size&quot;:&quot;&quot;,&quot;sizes&quot;:[]}}\" data-widget_type=\"nested-carousel.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"e-n-carousel swiper\" role=\"region\" aria-roledescription=\"carousel\" aria-label=\"Karussell\" dir=\"ltr\">\n\t\t\t<div class=\"swiper-wrapper\" aria-live=\"off\">\n\t\t\t\t\t\t\t\t\t\t<div class=\"swiper-slide\" data-slide=\"1\" role=\"group\" aria-roledescription=\"slide\" aria-label=\"1 of 1\">\n\t\t\t\t\t\t\t<div class=\"elementor-element elementor-element-44441f5 e-flex e-con-boxed e-con e-child\" data-id=\"44441f5\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-4103051 elementor-widget__width-initial elementor-invisible elementor-widget elementor-widget-image\" data-id=\"4103051\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;_animation&quot;:&quot;fadeInUp&quot;}\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img fetchpriority=\"high\" decoding=\"async\" width=\"800\" height=\"800\" src=\"https:\/\/www.linseis.com\/wp-content\/uploads\/2024\/07\/Linseis-Icons_Linien-weiss_Temperaturleitfaehigkeit-1024x1024.png\" class=\"attachment-large size-large wp-image-35481\" alt=\"\" srcset=\"https:\/\/www.linseis.com\/wp-content\/uploads\/2024\/07\/Linseis-Icons_Linien-weiss_Temperaturleitfaehigkeit-1024x1024.png 1024w, https:\/\/www.linseis.com\/wp-content\/uploads\/2024\/07\/Linseis-Icons_Linien-weiss_Temperaturleitfaehigkeit-300x300.png 300w, https:\/\/www.linseis.com\/wp-content\/uploads\/2024\/07\/Linseis-Icons_Linien-weiss_Temperaturleitfaehigkeit-150x150.png 150w, https:\/\/www.linseis.com\/wp-content\/uploads\/2024\/07\/Linseis-Icons_Linien-weiss_Temperaturleitfaehigkeit-768x768.png 768w, https:\/\/www.linseis.com\/wp-content\/uploads\/2024\/07\/Linseis-Icons_Linien-weiss_Temperaturleitfaehigkeit-1536x1536.png 1536w, https:\/\/www.linseis.com\/wp-content\/uploads\/2024\/07\/Linseis-Icons_Linien-weiss_Temperaturleitfaehigkeit-2048x2048.png 2048w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/>\t\t\t\t\t\t\t\t\t\t\t\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\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-b4a6800 elementor-widget elementor-widget-image\" data-id=\"b4a6800\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img decoding=\"async\" src=\"https:\/\/www.linseis.com\/wp-content\/uploads\/\/linseis_scale-bottom-1.svg\" title=\"\" alt=\"\" loading=\"lazy\" \/>\t\t\t\t\t\t\t\t\t\t\t\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<div class=\"elementor-element elementor-element-7c8d6cc e-flex e-con-boxed e-con e-parent\" data-id=\"7c8d6cc\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-d7b7522 e-flex e-con-boxed e-con e-parent\" data-id=\"d7b7522\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t<div class=\"elementor-element elementor-element-449b6fd e-con-full e-flex e-con e-child\" data-id=\"449b6fd\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-031217d elementor-invisible elementor-widget elementor-widget-wp-widget-bcn_widget\" data-id=\"031217d\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;_animation&quot;:&quot;fadeInUp&quot;}\" data-widget_type=\"wp-widget-bcn_widget.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\"breadcrumbs\" vocab=\"https:\/\/schema.org\/\" typeof=\"BreadcrumbList\"><span property=\"itemListElement\" typeof=\"ListItem\"><a property=\"item\" typeof=\"WebPage\" title=\"Przejd\u017a do Linseis.\" href=\"https:\/\/www.linseis.com\/pl\/\" class=\"home\" aria-current=\"page\"><span property=\"name\">Linseis<\/span><\/a><meta property=\"position\" content=\"1\"><\/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<div class=\"elementor-element elementor-element-ed98f58 e-flex e-con-boxed e-con e-parent\" data-id=\"ed98f58\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t<div class=\"elementor-element elementor-element-bbc47b3 e-con-full e-flex e-con e-child\" data-id=\"bbc47b3\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-71a1ec4 elementor-invisible elementor-widget elementor-widget-text-editor\" data-id=\"71a1ec4\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;_animation&quot;:&quot;fadeInUp&quot;,&quot;_animation_delay&quot;:500}\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<h2>Dyfuzyjno\u015b\u0107 cieplna [m\u00b2\/s]<br>&#8211; parametr termofizyczny<\/h2>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-32d9053 elementor-widget elementor-widget-text-editor\" data-id=\"32d9053\" data-element_type=\"widget\" data-e-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\t\t<p>Szybko\u015b\u0107, z jak\u0105 substancja reaguje na zmiany temperatury, zale\u017cy od jej przewodno\u015bci cieplnej, g\u0119sto\u015bci i pojemno\u015bci cieplnej w\u0142a\u015bciwej.<\/p><p><img decoding=\"async\" class=\"wp-image-55678 size-medium aligncenter\" src=\"https:\/\/www.linseis.com\/wp-content\/uploads\/2024\/09\/Formel-Waerme-und-Temperaturleitfaehigkeit-300x56.png\" alt=\"\" width=\"300\" height=\"56\" srcset=\"https:\/\/www.linseis.com\/wp-content\/uploads\/2024\/09\/Formel-Waerme-und-Temperaturleitfaehigkeit-300x56.png 300w, https:\/\/www.linseis.com\/wp-content\/uploads\/2024\/09\/Formel-Waerme-und-Temperaturleitfaehigkeit.png 463w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/p><p>\u03bb = Przewodno\u015b\u0107 cieplna [W\/m*K]<br>\u03b1 = Dyfuzyjno\u015b\u0107 cieplna [mm\u00b2\/s]<br><sub>Cp<\/sub> = Ciep\u0142o w\u0142a\u015bciwe [J\/g*K]<br><span id=\"MathJax-Span-275\" class=\"mrow\">\n  <span id=\"MathJax-Span-276\" class=\"mi\">\u03c1 = G\u0119sto\u015b\u0107 [g\/cm\u00b3]<\/span>\n<\/span><\/p><p> <\/p><p>Przewodno\u015b\u0107 cieplna okre\u015bla szybko\u015b\u0107 rozprzestrzeniania si\u0119 ciep\u0142a przez materia\u0142.<\/p><p>Pojemno\u015b\u0107 cieplna w\u0142a\u015bciwa wskazuje, ile tego ciep\u0142a jest magazynowane w materiale.<\/p><p>G\u0119sto\u015b\u0107 uwzgl\u0119dnia ilo\u015b\u0107 materia\u0142u na metr sze\u015bcienny.<\/p><p><strong>Zale\u017cno\u015bci te s\u0105 opisane przez dyfuzyjno\u015b\u0107 ciepln\u0105.<\/strong><\/p><p>Ta wielko\u015b\u0107 materia\u0142owa jest r\u00f3wna ilorazowi przewodno\u015bci cieplnej i iloczynu pojemno\u015bci cieplnej w\u0142a\u015bciwej i g\u0119sto\u015bci.<strong> Jednostka miary [m\u00b2\/s] jest obliczana na podstawie tego wzoru<\/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<div class=\"elementor-element elementor-element-3473d73 e-flex e-con-boxed elementor-invisible e-con e-parent\" data-id=\"3473d73\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;animation&quot;:&quot;fadeInUp&quot;}\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-11f930b elementor-widget elementor-widget-image\" data-id=\"11f930b\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img decoding=\"async\" width=\"800\" height=\"382\" src=\"https:\/\/www.linseis.com\/wp-content\/uploads\/2024\/07\/Temperaturleitfaehigkeit-Titelbild-1024x489.png\" class=\"attachment-large size-large wp-image-35062\" alt=\"\" srcset=\"https:\/\/www.linseis.com\/wp-content\/uploads\/2024\/07\/Temperaturleitfaehigkeit-Titelbild-1024x489.png 1024w, https:\/\/www.linseis.com\/wp-content\/uploads\/2024\/07\/Temperaturleitfaehigkeit-Titelbild-300x143.png 300w, https:\/\/www.linseis.com\/wp-content\/uploads\/2024\/07\/Temperaturleitfaehigkeit-Titelbild-768x366.png 768w, https:\/\/www.linseis.com\/wp-content\/uploads\/2024\/07\/Temperaturleitfaehigkeit-Titelbild-1536x733.png 1536w, https:\/\/www.linseis.com\/wp-content\/uploads\/2024\/07\/Temperaturleitfaehigkeit-Titelbild.png 1920w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/>\t\t\t\t\t\t\t\t\t\t\t\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<div class=\"elementor-element elementor-element-8801439 e-flex e-con-boxed elementor-invisible e-con e-parent\" data-id=\"8801439\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;,&quot;animation&quot;:&quot;fadeInUp&quot;}\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t<div class=\"elementor-element elementor-element-4fda86f e-con-full e-flex e-con e-child\" data-id=\"4fda86f\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-34d74a1 elementor-widget elementor-widget-text-editor\" data-id=\"34d74a1\" data-element_type=\"widget\" data-e-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\t\t<p>Dyfuzyjno\u015b\u0107 cieplna jest wymagana do oceny proces\u00f3w ogrzewania i ch\u0142odzenia, zmian temperatury w pomieszczeniach mieszkalnych i napr\u0119\u017ce\u0144 termicznych w elementach budynku.<\/p><p>Na przyk\u0142ad, wska\u017anik ten jest <strong>wa\u017cnym kryterium przy kategoryzacji instalacji strukturalnych<\/strong> zapobiegaj\u0105cych rozprzestrzenianiu si\u0119 ognia.<\/p><p>Je\u015bli wymagane jest szybkie wyr\u00f3wnanie temperatury w materia\u0142ach, korzystne s\u0105 materia\u0142y o wysokiej przewodno\u015bci cieplnej. Nale\u017c\u0105 do nich metale i grafit. Materia\u0142y te s\u0105 stosowane na przyk\u0142ad w urz\u0105dzeniach do pomiaru temperatury i regulatorach temperatury.  <\/p><p>Niemetale znacznie gorzej przewodz\u0105 temperatur\u0119. Nadaj\u0105 si\u0119 one mi\u0119dzy innymi do magazynowania ciep\u0142a w regeneratorach. <\/p><p>Aby zmierzy\u0107 dyfuzyjno\u015b\u0107 ciepln\u0105, pr\u00f3bka materia\u0142u jest umieszczana mi\u0119dzy dwoma elementami o sta\u0142ych, r\u00f3\u017cnych temperaturach i analizowana jest lokalna i czasowa krzywa temperatury w pr\u00f3bce.<\/p><p>Elementy te mo\u017cna znale\u017a\u0107 na przyk\u0142ad w LINSEIS <a href=\"https:\/\/www.linseis.com\/methoden\/heat-flow-meter-methode-hfm\/\" data-auto-event-observed=\"true\">\n  <b>Przep\u0142ywomierz ciep\u0142a<\/b>\n<\/a>. Precyzyjne dane pomiarowe dla bardzo cienkich warstw zapewnia nasz <strong><a href=\"https:\/\/www.linseis.com\/messgeraete\/elektrische-eigenschaft\/duennschichtanalyse\/tf-lfa-l54\/\" data-auto-event-observed=\"true\"><b>TF-LFA &#8211; LaserFlash<\/b><\/a> <\/strong>dla cienkich warstw, kt\u00f3ry dzia\u0142a w oparciu o wi\u0105zki laserowe.  <\/p><p>Urz\u0105dzenia pomiarowe Linseis jednocze\u015bnie okre\u015blaj\u0105 przewodno\u015b\u0107 ciepln\u0105, dyfuzyjno\u015b\u0107 ciepln\u0105 i pojemno\u015b\u0107 ciepln\u0105 w\u0142a\u015bciw\u0105 na podstawie do\u0142\u0105czonego oprogramowania.<\/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":"<p>Przewodno\u015b\u0107 cieplna Dyfuzyjno\u015b\u0107 cieplna [m\u00b2\/s]&#8211; parametr termofizyczny Szybko\u015b\u0107, z jak\u0105 substancja reaguje na zmiany temperatury, zale\u017cy od jej przewodno\u015bci cieplnej, g\u0119sto\u015bci i pojemno\u015bci cieplnej w\u0142a\u015bciwej. \u03bb = Przewodno\u015b\u0107 cieplna [W\/m*K]\u03b1 = Dyfuzyjno\u015b\u0107 cieplna [mm\u00b2\/s]Cp = Ciep\u0142o w\u0142a\u015bciwe [J\/g*K] \u03c1 = G\u0119sto\u015b\u0107 [g\/cm\u00b3] Przewodno\u015b\u0107 cieplna okre\u015bla szybko\u015b\u0107 rozprzestrzeniania si\u0119 ciep\u0142a przez materia\u0142. Pojemno\u015b\u0107 cieplna w\u0142a\u015bciwa wskazuje, [&hellip;]<\/p>\n","protected":false},"author":5,"featured_media":0,"parent":101932,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_acf_changed":false,"inline_featured_image":false,"footnotes":""},"class_list":["post-101960","page","type-page","status-publish","hentry"],"acf":[],"_links":{"self":[{"href":"https:\/\/www.linseis.com\/pl\/wp-json\/wp\/v2\/pages\/101960","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.linseis.com\/pl\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/www.linseis.com\/pl\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/www.linseis.com\/pl\/wp-json\/wp\/v2\/users\/5"}],"replies":[{"embeddable":true,"href":"https:\/\/www.linseis.com\/pl\/wp-json\/wp\/v2\/comments?post=101960"}],"version-history":[{"count":0,"href":"https:\/\/www.linseis.com\/pl\/wp-json\/wp\/v2\/pages\/101960\/revisions"}],"up":[{"embeddable":true,"href":"https:\/\/www.linseis.com\/pl\/wp-json\/wp\/v2\/pages\/101932"}],"wp:attachment":[{"href":"https:\/\/www.linseis.com\/pl\/wp-json\/wp\/v2\/media?parent=101960"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}