{"id":3994,"date":"2026-10-14T21:59:43","date_gmt":"2026-10-14T20:59:43","guid":{"rendered":"https:\/\/wpcalc.com\/tr\/birim-ceviriciler\/yalitim-r-degeri-donusturucu\/"},"modified":"2026-10-14T21:59:43","modified_gmt":"2026-10-14T20:59:43","slug":"yalitim-r-degeri-donusturucu","status":"publish","type":"post","link":"https:\/\/wpcalc.com\/tr\/birim-ceviriciler\/yalitim-r-degeri-donusturucu\/","title":{"rendered":"Yal\u0131t\u0131m R de\u011feri d\u00f6n\u00fc\u015ft\u00fcr\u00fcc\u00fc"},"content":{"rendered":"<section class=\"not-prose calculator-box\" aria-labelledby=\"calculator-title\"><div class=\"flex items-baseline sm:items-center justify-between gap-2 sm:gap-3\"><div class=\"flex flex-col sm:flex-row sm:items-center gap-2\"><span class=\"icon icon-calculator text-primary-700! text-base! dark:text-primary-300!\" aria-hidden=\"true\"><\/span><h2 id=\"calculator-title\" class=\"text-lg font-display font-bold\">Yal\u0131t\u0131m R de\u011ferini ABD ve SI birimleri aras\u0131nda d\u00f6n\u00fc\u015ft\u00fcr\u00fcn<\/h2><\/div><div class=\"calcdash-favorite group\">\n  <button type=\"button\" class=\"favorite\" id=\"favorite\" data-favorite-id=\"3994\" data-favorite-title=\"Yal\u0131t\u0131m R de\u011feri\" data-favorite-url=\"https:\/\/wpcalc.com\/tr\/birim-ceviriciler\/yalitim-r-degeri-donusturucu\/\" data-favorite-excerpt=\"Yal\u0131t\u0131m R de\u011ferlerini ABD \u0130ngiliz (imperial) birimleri (ft\u00b2\u00b7\u00b0F\u00b7h\/BTU) ile SI metrik birimleri (m\u00b2\u00b7K\/W) aras\u0131nda d\u00f6n\u00fc\u015ft\u00fcr\u00fcn ve her iki sistemdeki kar\u015f\u0131l\u0131k gelen U de\u011ferlerini g\u00f6r\u00fcn. Tek yapman\u0131z gereken birim sistemini se\u00e7ip R de\u011ferini girmek.\" aria-label=\"Favorilere ekle\" data-favorite-icon=\"icon icon-physic\">\n    <span class=\"icon icon-shape-star-empty\" aria-hidden=\"true\"><\/span>\n  <\/button>\n  <div class=\"calcdash-favorite__tip\" aria-hidden=\"true\">\n   <span class=\"favorite-tooltip\" id=\"favorite-tooltip\"><\/span>\n  <\/div>\n  <span class=\"sr-only\" role=\"status\" id=\"favorite-status\"><\/span>\n<\/div><\/div><form action=\"https:\/\/wpcalc.com\/tr\/birim-ceviriciler\/yalitim-r-degeri-donusturucu\/\" method=\"POST\" class=\"calculator\" id=\"calculator-3994\" data-post=\"3994\"><fieldset class=\"fieldset-input is-1\"><legend class=\"sr-only\">Giri\u015f alanlar\u0131<\/legend><div class=\"field\" id=\"input-1\"><label for=\"field-1\">Girilen R de\u011ferinin birim sistemi<\/label><div class=\"grid grid-cols-1\"><select id=\"field-1\" name=\"girilen_r_deerinin_birim_sistemi\"><option value=\"us\" selected>ABD: ft\u00b2\u00b7\u00b0F\u00b7h\/BTU<\/option><option value=\"si\">SI (metrik): m\u00b2\u00b7K\/W<\/option><\/select><svg class=\"pointer-events-none col-start-1 row-start-1 mr-2 size-5 self-center justify-self-end text-gray-500 sm:size-4\" viewBox=\"0 0 16 16\" fill=\"currentColor\" aria-hidden=\"true\" data-slot=\"icon\">\n              <path fill-rule=\"evenodd\" d=\"M4.22 6.22a.75.75 0 0 1 1.06 0L8 8.94l2.72-2.72a.75.75 0 1 1 1.06 1.06l-3.25 3.25a.75.75 0 0 1-1.06 0L4.22 7.28a.75.75 0 0 1 0-1.06Z\" clip-rule=\"evenodd\" \/>\n            <\/svg><\/div><\/div><div class=\"field has-term\" id=\"input-2\"><label for=\"field-2\">Yal\u0131t\u0131m R de\u011feri (R)<\/label><div class=\"term\">R<\/div>  <div class=\"absolute bottom-0 left-16 top-8 w-2 h-0.5 bg-blue-500\"><\/div><input type=\"text\" name=\"yaltm_r_deeri_r\" id=\"field-2\" aria-describedby=\"calc-info-2\" data-number inputmode=\"decimal\" autocomplete=\"off\" spellcheck=\"false\" placeholder=\"e.g. 13\" min=\"0\" value=\"13\"\/><small id=\"calc-info-2\">Yayg\u0131n ABD de\u011ferleri: 13 (2\u00d74 duvarlar), 19 (2\u00d76 duvarlar), 30\u201349 (\u00e7at\u0131 aralar\u0131)<\/small><\/div><\/fieldset><div class=\"buttons\"><button type=\"submit\" data-text=\"Yeniden hesapla\" id=\"calculate-button\" data-post=\"3994\">Hesapla<\/button><button type=\"reset\">S\u0131f\u0131rla<\/button><\/div><div class=\"field is-checkbox hidden!\" id=\"field-auto-calc\"><input type=\"checkbox\" id=\"auto-calc\"><label for=\"auto-calc\">Otomatik hesapla<\/label><small>Etkinle\u015ftirilirse, herhangi bir de\u011feri de\u011fi\u015ftirdi\u011finizde sonu\u00e7 otomatik olarak g\u00fcncellenir.<\/small><\/div><div class=\"fieldset-result is-hidden\" aria-labelledby=\"result-title\" aria-live=\"polite\" role=\"region\"> <h3 class=\"result-title bg-gradient-to-r from-primary-50 to-gray-50 dark:from-primary-900 dark:to-gray-800\" id=\"result-title\"><span class=\"icon icon-s-pulse\" aria-hidden=\"true\"><\/span> D\u00f6n\u00fc\u015ft\u00fcr\u00fclen de\u011ferler<\/h3><div class=\"result-box\"><div class=\"field-result\" id=\"output-1\"><span class=\"field-title\"><span>R de\u011feri (SI, metrik)<\/span><span class=\"result-term\">R_SI<\/span><\/span><span class=\"field-value\" id=\"result-1\" data-unit=\"m\u00b2\u00b7K\/W\"><\/span><button type=\"button\" class=\"copy-result\" data-tooltip=\"Sonucu kopyala\" aria-label=\"Sonucu kopyala\"><span class=\"copy-icon icon icon-document-copy\" aria-hidden=\"true\"><\/span><\/button><\/div><div class=\"field-result\" id=\"output-2\"><span class=\"field-title\"><span>R de\u011feri (ABD, emperyal)<\/span><span class=\"result-term\">R_US<\/span><\/span><span class=\"field-value\" id=\"result-2\" data-unit=\"ft\u00b2\u00b7\u00b0F\u00b7h\/BTU\"><\/span><button type=\"button\" class=\"copy-result\" data-tooltip=\"Sonucu kopyala\" aria-label=\"Sonucu kopyala\"><span class=\"copy-icon icon icon-document-copy\" aria-hidden=\"true\"><\/span><\/button><\/div><div class=\"field-result\" id=\"output-3\"><span class=\"field-title\"><span>U de\u011feri (SI, metrik)<\/span><span class=\"result-term\">U_SI<\/span><\/span><span class=\"field-value\" id=\"result-3\" data-unit=\"W\/(m\u00b2\u00b7K)\"><\/span><button type=\"button\" class=\"copy-result\" data-tooltip=\"Sonucu kopyala\" aria-label=\"Sonucu kopyala\"><span class=\"copy-icon icon icon-document-copy\" aria-hidden=\"true\"><\/span><\/button><\/div><div class=\"field-result\" id=\"output-4\"><span class=\"field-title\"><span>U de\u011feri (ABD, emperyal)<\/span><span class=\"result-term\">U_US<\/span><\/span><span class=\"field-value\" id=\"result-4\" data-unit=\"BTU\/(h\u00b7ft\u00b2\u00b7\u00b0F)\"><\/span><button type=\"button\" class=\"copy-result\" data-tooltip=\"Sonucu kopyala\" aria-label=\"Sonucu kopyala\"><span class=\"copy-icon icon icon-document-copy\" aria-hidden=\"true\"><\/span><\/button><\/div><\/div><div class=\"result-actions\"><button type=\"button\" class=\"copy-link\"><svg viewBox=\"0 0 20 20\" fill=\"currentColor\" aria-hidden=\"true\"><path d=\"M12.232 4.232a2.5 2.5 0 0 1 3.536 3.536l-1.225 1.224a.75.75 0 0 0 1.061 1.06l1.224-1.224a4 4 0 0 0-5.656-5.656l-3 3a4 4 0 0 0 .225 5.865.75.75 0 0 0 .977-1.138 2.5 2.5 0 0 1-.142-3.667l3-3Z\"\/><path d=\"M11.603 7.963a.75.75 0 0 0-.977 1.138 2.5 2.5 0 0 1 .142 3.667l-3 3a2.5 2.5 0 0 1-3.536-3.536l1.225-1.224a.75.75 0 0 0-1.061-1.06l-1.224 1.224a4 4 0 1 0 5.656 5.656l3-3a4 4 0 0 0-.225-5.865Z\"\/><\/svg><span class=\"copy-link__text\">Bu hesaplaman\u0131n ba\u011flant\u0131s\u0131n\u0131 kopyala<\/span><\/button><span class=\"sr-only\" role=\"status\" id=\"copy-link-status\"><\/span><\/div><\/div><a href=\"#respond\" class=\"hidden transition-opacity duration-300 opacity-0 w-50 text-sm justify-center items-center gap-2 px-4 py-2 rounded bg-gray-200 text-gray-700 hover:bg-gray-300\" id=\"leave-comment\"><span class=\"icon icon-comments\" aria-hidden=\"true\"><\/span>Yorum b\u0131rak<\/a><\/form><\/section><section id=\"calc-reactions\" class=\"not-prose hidden my-12 bg-gradient-to-r from-primary-50 to-gray-50 border border-indigo-100 rounded-xl px-6 py-4 shadow-sm\" data-post=\"3994\" aria-live=\"polite\" aria-labelledby=\"calc-reactions-title\"><p id=\"calc-reactions-title\" class=\"text-sm text-gray-500 text-center mb-2\">Bu sonu\u00e7 hakk\u0131nda ne d\u00fc\u015f\u00fcn\u00fcyorsunuz?<\/p><div role=\"group\" aria-labelledby=\"calc-reactions-title\" class=\"grid grid-cols-3 sm:flex sm:flex-row sm:justify-around gap-4 sm:items-center sm:flex-wrap\"><button type=\"button\" aria-pressed=\"false\" class=\"reaction-btn flex flex-col items-center gap-1 text-sm text-gray-700 hover:text-primary-600 cursor-pointer transition-transform hover:scale-105\" data-reaction=\"like\"><span class=\"reaction-count\" data-reaction-count=\"like\">0<\/span><span class=\"reaction text-3xl\" aria-hidden=\"true\">\ud83d\ude00 <\/span><span class=\"reaction-description font-medium\">Be\u011fendim <\/span><\/button><button type=\"button\" aria-pressed=\"false\" class=\"reaction-btn flex flex-col items-center gap-1 text-sm text-gray-700 hover:text-primary-600 cursor-pointer transition-transform hover:scale-105\" data-reaction=\"helpful\"><span class=\"reaction-count\" data-reaction-count=\"helpful\">0<\/span><span class=\"reaction text-3xl\" aria-hidden=\"true\">\ud83d\udca1 <\/span><span class=\"reaction-description font-medium\">Faydal\u0131 <\/span><\/button><button type=\"button\" aria-pressed=\"false\" class=\"reaction-btn flex flex-col items-center gap-1 text-sm text-gray-700 hover:text-primary-600 cursor-pointer transition-transform hover:scale-105\" data-reaction=\"confused\"><span class=\"reaction-count\" data-reaction-count=\"confused\">0<\/span><span class=\"reaction text-3xl\" aria-hidden=\"true\">\ud83d\ude15 <\/span><span class=\"reaction-description font-medium\">Kafam kar\u0131\u015ft\u0131 <\/span><\/button><button type=\"button\" aria-pressed=\"false\" class=\"reaction-btn flex flex-col items-center gap-1 text-sm text-gray-700 hover:text-primary-600 cursor-pointer transition-transform hover:scale-105\" data-reaction=\"disappointed\"><span class=\"reaction-count\" data-reaction-count=\"disappointed\">0<\/span><span class=\"reaction text-3xl\" aria-hidden=\"true\">\ud83d\ude1e <\/span><span class=\"reaction-description font-medium\">Hayal k\u0131r\u0131kl\u0131\u011f\u0131 <\/span><\/button><button type=\"button\" aria-pressed=\"false\" class=\"reaction-btn flex flex-col items-center gap-1 text-sm text-gray-700 hover:text-primary-600 cursor-pointer transition-transform hover:scale-105\" data-reaction=\"inaccurate\"><span class=\"reaction-count\" data-reaction-count=\"inaccurate\">0<\/span><span class=\"reaction text-3xl\" aria-hidden=\"true\">\u274c <\/span><span class=\"reaction-description font-medium\">Hatal\u0131 <\/span><\/button><\/div><div id=\"reaction-message\" class=\"hidden mt-8 rounded-md border border-primary-100 bg-white\/50 backdrop-blur-sm px-4 py-2 text-sm text-center shadow-sm\"><\/div><\/section><div class=\"calcdash-ad not-prose calcdash-ad--calc_result calcdash-ad--in-article\"><ins class=\"adsbygoogle\" style=\"display:block\" data-ad-client=\"ca-pub-1721569815777345\" data-ad-slot=\"6317458308\" data-ad-layout=\"in-article\" data-ad-format=\"fluid\"><\/ins><script>(adsbygoogle = window.adsbygoogle || []).push({});<\/script><\/div>\n<style id=\"wpcoderpro-inline-1\">.formula-box {\r\n\tborder-bottom: none !important;\r\n}<\/style><section class=\"formula-box\" aria-labelledby=\"formula-title\">\r\n\t<div id=\"formula-title\" class=\"not-prose font-display mb-4\"><span class=\"icon icon-formula\" aria-hidden=\"true\"><\/span><h2>Yal\u0131t\u0131m R de\u011feri d\u00f6n\u00fc\u015f\u00fcm form\u00fcl\u00fc<\/h2><\/div>\r\n\t<figure class=\"not-prose formula\">\r\n\t\t<figcaption class=\"formula-title\">Form\u00fcl<\/figcaption>\r\n\t\t<div class=\"text-base text-gray-800\" id=\"formula\">\n\\[ R_{SI} = R_{US} \\times 0.176110 \\qquad R_{US} = \\frac{R_{SI}}{0.176110} \\]\n\\[ U = \\frac{1}{R} \\]\n<\/div>\r\n\t<\/figure>\r\n\t<\/p>\n<p><strong>Anlamlar\u0131:<\/strong><\/p>\n<ul>\n<li>\\(R_{US}\\) \u2014 ABD \u0130ngiliz (imperial) birimlerinde R de\u011feri (ft\u00b2\u00b7\u00b0F\u00b7h\/BTU); Kuzey Amerika \u00fcr\u00fcn etiketlerinde yazan de\u011ferdir<\/li>\n<li>\\(R_{SI}\\) \u2014 SI metrik birimlerinde R de\u011feri (m\u00b2\u00b7K\/W); Avrupa ve uluslararas\u0131 yap\u0131 standartlar\u0131nda kullan\u0131l\u0131r<\/li>\n<li>\\(0.176110\\) \u2014 d\u00f6n\u00fc\u015f\u00fcm katsay\u0131s\u0131: 1 ft\u00b2\u00b7\u00b0F\u00b7h\/BTU = 0,176110 m\u00b2\u00b7K\/W (tam de\u011fer; 1 BTU = 1055,05585262 J tan\u0131m\u0131ndan elde edilir)<\/li>\n<li>\\(U\\) \u2014 U de\u011feri (\u0131s\u0131l ge\u00e7irgenlik); ayn\u0131 birim sisteminde R de\u011ferinin tersidir<\/li>\n<\/ul>\n<p>\u0130lk iki form\u00fcl \u0131s\u0131l direnci ABD ve SI birim sistemleri aras\u0131nda d\u00f6n\u00fc\u015ft\u00fcr\u00fcr. \u00dc\u00e7\u00fcnc\u00fcs\u00fc ise U de\u011ferinin R de\u011ferinin tersi oldu\u011funu g\u00f6sterir: y\u00fcksek R g\u00fc\u00e7l\u00fc yal\u0131t\u0131m, d\u00fc\u015f\u00fck U ise az \u0131s\u0131 ge\u00e7i\u015fi anlam\u0131na gelir.<\/p>\n<p>\r\n<\/section>\n<style id=\"wpcoderpro-inline-2\">.calculation-box {\r\n\tborder-bottom: none !important;\r\n}<\/style><section id=\"calculation\" class=\"calculation-box\" aria-labelledby=\"calculation-title\">\r\n\t<div id=\"calculation-title\" class=\"not-prose font-display\"><span class=\"icon icon-unordered-list\" aria-hidden=\"true\"><\/span><h2>Yal\u0131t\u0131m R de\u011feri \u2013 hesaplama \u00f6rne\u011fi<\/h2><\/div>\r\n\r\n<\/p>\n<p><strong>\u00d6rnek:<\/strong> ABD kaynakl\u0131, etiketinde R-13 yazan bir camy\u00fcn\u00fc batt\u0131nyan\u0131n (2\u00d74 duvarlarda tipik de\u011fer) uluslararas\u0131 bir enerji raporunda metrik birimlerle ifade edilmesi gerekiyor.<\/p>\n<p>\\[ R_{SI} = 13 \\times 0.176110 = 2.289 \\ \\text{m}^2\\!\\cdot\\!\\text{K\/W} \\]<\/p>\n<p>\\[ U_{SI} = \\frac{1}{2.289} = 0.437 \\ \\text{W\/(m}^2\\!\\cdot\\!\\text{K)} \\qquad U_{US} = \\frac{1}{13} = 0.0769 \\ \\text{BTU\/(h}\\!\\cdot\\!\\text{ft}^2\\!\\cdot\\!\\text{\u00b0F)} \\]<\/p>\n<p><strong>Sonu\u00e7:<\/strong> R-13 (ABD) = 2,289 m\u00b2\u00b7K\/W (SI). Kar\u015f\u0131l\u0131k gelen U de\u011ferleri metrik birimlerde 0,437 W\/(m\u00b2\u00b7K), \u0130ngiliz (imperial) birimlerde 0,0769 BTU\/(h\u00b7ft\u00b2\u00b7\u00b0F)'dir.<\/p>\n<p>\n\r\n<\/section>\n<h2>Hesaplay\u0131c\u0131 nas\u0131l kullan\u0131l\u0131r?<\/h2>\n<ol>\n<li><strong>Girilen R de\u011ferinin birim sistemi<\/strong> alan\u0131nda, say\u0131n\u0131z Kuzey Amerika kaynakl\u0131 bir \u00fcr\u00fcn etiketinden geliyorsa <em>ABD: ft\u00b2\u00b7\u00b0F\u00b7h\/BTU<\/em>, metrik bir teknik \u015fartnameden geliyorsa <em>SI (metrik): m\u00b2\u00b7K\/W<\/em> se\u00e7ene\u011fini i\u015faretleyin.<\/li>\n<li>De\u011ferinizi <strong>Yal\u0131t\u0131m R de\u011feri (R)<\/strong> alan\u0131na girin. 5,6 gibi ondal\u0131k de\u011ferler kabul edilir.<\/li>\n<li>Sonu\u00e7lar\u0131 <strong>D\u00f6n\u00fc\u015ft\u00fcr\u00fclen de\u011ferler<\/strong> panelinden okuyun: di\u011fer birim sistemindeki R de\u011feri ve her iki sistemdeki U de\u011feri.<\/li>\n<\/ol>\n<h2>R de\u011feri nedir?<\/h2>\n<p>R de\u011feri <strong>\u0131s\u0131l direnci<\/strong> \u00f6l\u00e7er: bir malzeme katman\u0131n\u0131n \u00fczerinden ge\u00e7en \u0131s\u0131 ak\u0131\u015f\u0131na ne kadar kar\u015f\u0131 koydu\u011funu. R de\u011feri ne kadar y\u00fcksekse \u0131s\u0131 transferi o kadar yava\u015f, yal\u0131t\u0131m o kadar iyidir. ABD'de R de\u011ferleri \u00fcr\u00fcn etiketlerinde birimsiz d\u00fcz say\u0131lar h\u00e2linde yaz\u0131l\u0131r \u2014 2\u00d74 duvarlar i\u00e7in R-13, 2\u00d76 duvarlar i\u00e7in R-19, \u00e7at\u0131 aralar\u0131 i\u00e7in R-30 ile R-49 aras\u0131 \u2014 ve birimin ft\u00b2\u00b7\u00b0F\u00b7h\/BTU oldu\u011fu varsay\u0131l\u0131r. D\u00fcnyan\u0131n geri kalan\u0131n\u0131n b\u00fcy\u00fck b\u00f6l\u00fcm\u00fcnde ise SI birimi olan m\u00b2\u00b7K\/W kullan\u0131l\u0131r; tipik b\u00fct\u00fcn duvar de\u011ferleri yakla\u015f\u0131k 2 ile 8 aras\u0131ndad\u0131r.<\/p>\n<p>\u0130ki birim sistemi yakla\u015f\u0131k 5,68 katsay\u0131yla farkl\u0131l\u0131k g\u00f6sterdi\u011finden, ABD R de\u011feri ile metrik R de\u011feri \u00e7ok farkl\u0131 performanslar\u0131 anlat\u0131rken yan\u0131lt\u0131c\u0131 bi\u00e7imde benzer g\u00f6r\u00fcnebilir. ABD birimlerinde R-13, 2,289 m\u00b2\u00b7K\/W'dir \u2014 13 de\u011fil. \u00dcr\u00fcnleri, teklifleri veya yap\u0131 y\u00f6netmeliklerini b\u00f6lgeler aras\u0131 kar\u015f\u0131la\u015ft\u0131r\u0131rken daima \u00f6nce d\u00f6n\u00fc\u015ft\u00fcr\u00fcn; bu hesaplay\u0131c\u0131n\u0131n yapt\u0131\u011f\u0131 i\u015f de tam olarak budur.<\/p>\n<p>Hesaplay\u0131c\u0131 ayr\u0131ca R de\u011ferinin tersi olan <strong>U de\u011ferini<\/strong> verir. U de\u011feri (\u0131s\u0131l ge\u00e7irgenlik), bir derecelik s\u0131cakl\u0131k fark\u0131 ba\u015f\u0131na bir metrekarelik (ya da feet karelik) alandan ger\u00e7ekte ne kadar \u0131s\u0131 ge\u00e7ti\u011fini ifade eder. Avrupa yap\u0131 y\u00f6netmelikleri ve pencere teknik \u00f6zellikleri genellikle U de\u011feri verir: d\u00fc\u015f\u00fck olan iyidir. R-13'l\u00fck bir duvar\u0131n U de\u011feri 0,0769 BTU\/(h\u00b7ft\u00b2\u00b7\u00b0F) ya da 0,437 W\/(m\u00b2\u00b7K)'dir.<\/p>\n<p>Katmanlar\u0131n R de\u011ferleri do\u011frudan toplan\u0131r: \u00fcst \u00fcste konan iki R-13 batt\u0131nya R-26 verir. U de\u011ferleri toplanmaz \u2014 tersleri \u00fczerinden birle\u015firler; bile\u015fen hesaplar\u0131nda R de\u011feriyle \u00e7al\u0131\u015fman\u0131n daha kullan\u0131\u015fl\u0131 olmas\u0131n\u0131n nedeni de budur.<\/p>\n<h2>Her iki birim sisteminde yayg\u0131n R de\u011ferleri<\/h2>\n<table>\n<thead>\n<tr>\n<th>Uygulama (ABD etiketi)<\/th>\n<th>R (ft\u00b2\u00b7\u00b0F\u00b7h\/BTU)<\/th>\n<th>R (m\u00b2\u00b7K\/W)<\/th>\n<th>U (W\/(m\u00b2\u00b7K))<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>2\u00d74 duvar bo\u015flu\u011fu<\/td>\n<td>13<\/td>\n<td>2,29<\/td>\n<td>0,437<\/td>\n<\/tr>\n<tr>\n<td>2\u00d76 duvar bo\u015flu\u011fu<\/td>\n<td>19<\/td>\n<td>3,35<\/td>\n<td>0,299<\/td>\n<\/tr>\n<tr>\n<td>\u00c7at\u0131 aras\u0131 \/ tavan (asgari)<\/td>\n<td>30<\/td>\n<td>5,28<\/td>\n<td>0,189<\/td>\n<\/tr>\n<tr>\n<td>\u00c7at\u0131 aras\u0131 \/ tavan (so\u011fuk iklimler)<\/td>\n<td>38<\/td>\n<td>6,69<\/td>\n<td>0,149<\/td>\n<\/tr>\n<tr>\n<td>Y\u00fcksek performansl\u0131 \u00e7at\u0131 yal\u0131t\u0131m\u0131<\/td>\n<td>49<\/td>\n<td>8,63<\/td>\n<td>0,116<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>S\u0131n\u0131rlamalar ve pratik ipu\u00e7lar\u0131<\/h2>\n<ul>\n<li><strong>Etiket de\u011feri ile b\u00fct\u00fcn bile\u015fen de\u011feri.<\/strong> Etiketteki R de\u011ferleri yaln\u0131zca yal\u0131t\u0131m malzemesini tan\u0131mlar. Ger\u00e7ek duvarlarda dikmeler, ba\u011flant\u0131 elemanlar\u0131 ve bo\u015fluklar performans\u0131 d\u00fc\u015f\u00fcr\u00fcr (\u0131s\u0131l k\u00f6pr\u00fc); bu y\u00fczden R-13 batt\u0131nyal\u0131 bir 2\u00d74 duvar b\u00fct\u00fcn olarak R-9 ile R-11 aras\u0131nda performans g\u00f6sterebilir.<\/li>\n<li><strong>R de\u011feri her \u015fey de\u011fildir.<\/strong> Yaln\u0131zca kararl\u0131 h\u00e2ldeki iletim yoluyla \u0131s\u0131 ak\u0131\u015f\u0131n\u0131 kapsar. Hava s\u0131zmas\u0131, nem, \u0131s\u0131l k\u00fctle ve radyasyonla \u0131s\u0131 kazan\u0131m\u0131 R de\u011feri kadar, hatta ondan da fazla \u00f6nem ta\u015f\u0131yabilir \u2014 hava s\u0131zd\u0131rmaz bir R-13 duvar, s\u0131zd\u0131ran bir R-19 duvardan \u00e7o\u011fu zaman daha iyi performans g\u00f6sterir.<\/li>\n<li><strong>Ko\u015fullar \u00f6nemlidir.<\/strong> Laboratuvar R de\u011ferleri standart ortalama s\u0131cakl\u0131kta (yakla\u015f\u0131k 24 \u00b0C \/ 75 \u00b0F) \u00f6l\u00e7\u00fcl\u00fcr. \u00d6zellikle d\u00f6kme yal\u0131t\u0131m malzemeleri ve k\u00f6p\u00fckler gibi baz\u0131 malzemeler a\u015f\u0131r\u0131 s\u0131cakl\u0131klarda ya da ya\u015flan\u0131p \u00e7\u00f6kt\u00fck\u00e7e diren\u00e7 kaybedebilir veya kazanabilir.<\/li>\n<li><strong>U de\u011ferinin y\u00f6n\u00fcne dikkat edin.<\/strong> U de\u011feri okunurken d\u00fc\u015f\u00fc\u011f\u00fcn iyi oldu\u011funu unutun \u2014 R de\u011ferinin tam tersi. Bir teknik \u015fartname U de\u011feri veriyorsa, bu hesaplay\u0131c\u0131n\u0131n ters de\u011fer \u00e7\u0131kt\u0131lar\u0131yla \u00e7apraz kontrol yapabilirsiniz.<\/li>\n<li><strong>Birimler iste\u011fe ba\u011fl\u0131 de\u011fildir.<\/strong> Avrupa kaynakl\u0131 bir belgede birimsiz duran \"R-5\" neredeyse her zaman 5 m\u00b2\u00b7K\/W (\u2248 ABD R-28'i) anlam\u0131na gelir, 5 ft\u00b2\u00b7\u00b0F\u00b7h\/BTU de\u011fil. Kar\u015f\u0131la\u015ft\u0131rma yapmadan \u00f6nce daima birim sistemini do\u011frulay\u0131n.<\/li>\n<\/ul>\n<p>Is\u0131l ve iklim hesaplar\u0131yla u\u011fra\u015f\u0131yorsan\u0131z, ilgili HVAC ve hava durumu analizleri i\u00e7in <a href=\"https:\/\/wpcalc.com\/tr\/birim-ceviriciler\/isi-endeksi-hesaplama\/\">Is\u0131 \u0130ndeksi Hesaplay\u0131c\u0131m\u0131z\u0131n<\/a>, <a href=\"https:\/\/wpcalc.com\/en\/converters\/dew-point-calculator\/\">\u00c7iy Noktas\u0131 Hesaplay\u0131c\u0131m\u0131z\u0131n<\/a> ve <a href=\"https:\/\/wpcalc.com\/en\/converters\/wind-chill-calculator\/\">R\u00fczg\u00e2r So\u011futmas\u0131 Hesaplay\u0131c\u0131m\u0131z\u0131n<\/a> da i\u015finize yarayaca\u011f\u0131n\u0131 d\u00fc\u015f\u00fcnebilirsiniz.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Yal\u0131t\u0131m R de\u011ferlerini ABD \u0130ngiliz (imperial) birimleri (ft\u00b2\u00b7\u00b0F\u00b7h\/BTU) ile SI metrik birimleri (m\u00b2\u00b7K\/W) aras\u0131nda d\u00f6n\u00fc\u015ft\u00fcr\u00fcn ve her iki sistemdeki kar\u015f\u0131l\u0131k gelen U de\u011ferlerini g\u00f6r\u00fcn. Tek yapman\u0131z gereken birim sistemini se\u00e7ip R de\u011ferini girmek.<\/p>\n","protected":false},"author":3168,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[4],"tags":[61],"class_list":["post-3994","post","type-post","status-publish","format-standard","hentry","category-birim-ceviriciler","tag-fizik-birimleri"],"acf":[],"_links":{"self":[{"href":"https:\/\/wpcalc.com\/tr\/wp-json\/wp\/v2\/posts\/3994","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/wpcalc.com\/tr\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/wpcalc.com\/tr\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/wpcalc.com\/tr\/wp-json\/wp\/v2\/users\/3168"}],"replies":[{"embeddable":true,"href":"https:\/\/wpcalc.com\/tr\/wp-json\/wp\/v2\/comments?post=3994"}],"version-history":[{"count":0,"href":"https:\/\/wpcalc.com\/tr\/wp-json\/wp\/v2\/posts\/3994\/revisions"}],"wp:attachment":[{"href":"https:\/\/wpcalc.com\/tr\/wp-json\/wp\/v2\/media?parent=3994"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/wpcalc.com\/tr\/wp-json\/wp\/v2\/categories?post=3994"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/wpcalc.com\/tr\/wp-json\/wp\/v2\/tags?post=3994"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}