{"id":1597,"date":"2017-11-13T15:31:38","date_gmt":"2017-11-13T13:31:38","guid":{"rendered":"http:\/\/www.htflux.com\/en\/?p=1597"},"modified":"2018-06-11T14:34:44","modified_gmt":"2018-06-11T12:34:44","slug":"free-calculation-tool-for-thermal-mass-iso-13786","status":"publish","type":"post","link":"https:\/\/www.htflux.com\/en\/free-calculation-tool-for-thermal-mass-iso-13786\/","title":{"rendered":"Free calculation tool for thermal mass (ISO 13786)"},"content":{"rendered":"<p style=\"text-align: center;\">\n<h2 style=\"text-align: center;\"><strong><span style=\"color: #800000;\">UPDATE:<\/span> Please find a newer page on this topic <a href=\"https:\/\/www.htflux.com\/en\/free-calculation-tool-for-thermal-mass-of-building-components-iso-13786\/\">here<\/a>.<\/strong><\/h2>\n<p>Finally I can provide the thermal-mass Excel-calculation tool, which I have promised for quite some time&#8230;\u00a0 I hope this tool will help to get rid of all the simplified approaches suggested in the national standards and still used too much. <!--more-->I don\u2019t think that these simplified calculation methods should be applied any longer as they produce flawed results. The precise thermal mass calculations involve multiplication of complex matrices, however this is no &#8220;rocket-science\u201d and can be performed using standard excel spread-sheets.<br \/>\nI have therefore created a simple Excel-tool that does the maths for you.<\/p>\n<p>Feel free to use and share it:<\/p>\n<table style=\"margin-left: 30px;\">\n<tbody style=\"padding-left: 30px;\">\n<tr style=\"padding-left: 30px;\">\n<td style=\"padding-left: 30px;\"><a href=\"https:\/\/www.htflux.com\/downloads\/media\/Calculation-tool-Thermal-Mass-ISO-13786.xlsx\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-1612 size-full\" src=\"https:\/\/www.htflux.com\/en\/wp-content\/uploads\/sites\/4\/2017\/11\/XLSX-download.png\" alt=\"\" width=\"41\" height=\"46\" \/><\/a><\/td>\n<td style=\"padding-left: 30px;\">English version:<br \/>\n<a href=\"https:\/\/www.htflux.com\/downloads\/media\/Calculation-tool-Thermal-Mass-ISO-13786.xlsx\">Thermal mass calculation tool according to EN ISO 13786<\/a><\/td>\n<\/tr>\n<tr style=\"padding-left: 30px;\">\n<td style=\"padding-left: 30px;\"><a href=\"https:\/\/www.htflux.com\/downloads\/media\/Berechnungstool-Speicherwirksame-Masse-EN-ISO-13786.xlsx\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-1612 size-full\" src=\"https:\/\/www.htflux.com\/en\/wp-content\/uploads\/sites\/4\/2017\/11\/XLSX-download.png\" alt=\"\" width=\"41\" height=\"46\" \/><\/a><\/td>\n<td style=\"padding-left: 30px;\">German version:<br \/>\n<a href=\"https:\/\/www.htflux.com\/downloads\/media\/Berechnungstool-Speicherwirksame-Masse-EN-ISO-13786.xlsx\">Berechnungstool Speicherwirksame Masse gem\u00e4\u00df EN ISO 13786<\/a><\/td>\n<\/tr>\n<tr style=\"padding-left: 30px;\">\n<td style=\"padding-left: 30px;\"><a href=\"https:\/\/www.htflux.com\/downloads\/media\/Berechnungstool-Speicherwirksame-Masse-EN13786-OENORM.xlsx\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-1612 size-full\" src=\"https:\/\/www.htflux.com\/en\/wp-content\/uploads\/sites\/4\/2017\/11\/XLSX-download.png\" alt=\"\" width=\"41\" height=\"46\" \/><\/a><\/td>\n<td style=\"padding-left: 30px;\">Austrian version (contains \u00d6NORM definition):<br \/>\n<a href=\"https:\/\/www.htflux.com\/downloads\/media\/Berechnungstool-Speicherwirksame-Masse-EN13786-OENORM.xlsx\">Berechnungstool Speicherwirksame Masse gem\u00e4\u00df EN ISO 13786 &#8211; \u00d6NORM B 8110-3<\/a><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full-blog-width wp-image-819\" src=\"https:\/\/www.htflux.com\/en\/wp-content\/uploads\/sites\/4\/2016\/02\/areal-heat-capacity-667x343.png\" alt=\"areal heat capacity, thermal mass, time lag, phase shift\" width=\"667\" height=\"343\" srcset=\"https:\/\/www.htflux.com\/en\/wp-content\/uploads\/sites\/4\/2016\/02\/areal-heat-capacity-667x343.png 667w, https:\/\/www.htflux.com\/en\/wp-content\/uploads\/sites\/4\/2016\/02\/areal-heat-capacity-300x154.png 300w, https:\/\/www.htflux.com\/en\/wp-content\/uploads\/sites\/4\/2016\/02\/areal-heat-capacity-1024x527.png 1024w, https:\/\/www.htflux.com\/en\/wp-content\/uploads\/sites\/4\/2016\/02\/areal-heat-capacity-325x167.png 325w, https:\/\/www.htflux.com\/en\/wp-content\/uploads\/sites\/4\/2016\/02\/areal-heat-capacity-1026x528.png 1026w, https:\/\/www.htflux.com\/en\/wp-content\/uploads\/sites\/4\/2016\/02\/areal-heat-capacity-100x51.png 100w, https:\/\/www.htflux.com\/en\/wp-content\/uploads\/sites\/4\/2016\/02\/areal-heat-capacity.png 1069w\" sizes=\"auto, (max-width: 667px) 100vw, 667px\" \/><\/p>\n<p>Anyway, for more comprehensive studies I still recommend the use of HTflux instead of Excel&#8230; \ud83d\ude09<\/p>\n<p>Related article:<br \/>\n<a href=\"https:\/\/www.htflux.com\/en\/thermal-transmittance-and-dynamic-performance-thermal-mass-of-a-timber-frame-wall\/\">\u00bb Thermal transmittance and dynamic performance (thermal mass) of a timber-frame wall<\/a><\/p>\n<p style=\"text-align: left;\"><em>Author: DI Daniel R\u00fcdisser, HTflux<\/em><\/p>\n<p style=\"text-align: center;\"><em>Note: You are permitted and encouraged to use images from this page or to set a link to this page, provided that authorship is credited to \u201cwww.htflux.com\u201d.<\/em><\/p>\n","protected":false},"excerpt":{"rendered":"<p>UPDATE: Please find a newer page on this topic here. Finally I can provide the thermal-mass Excel-calculation tool, which I have promised for quite some time&#8230;\u00a0 I hope this tool will help to get rid of all the simplified approaches suggested in the national standards and still used too much.<\/p>\n","protected":false},"author":2,"featured_media":1604,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[6],"tags":[],"class_list":["post-1597","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-news"],"_links":{"self":[{"href":"https:\/\/www.htflux.com\/en\/wp-json\/wp\/v2\/posts\/1597","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.htflux.com\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.htflux.com\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.htflux.com\/en\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.htflux.com\/en\/wp-json\/wp\/v2\/comments?post=1597"}],"version-history":[{"count":18,"href":"https:\/\/www.htflux.com\/en\/wp-json\/wp\/v2\/posts\/1597\/revisions"}],"predecessor-version":[{"id":1710,"href":"https:\/\/www.htflux.com\/en\/wp-json\/wp\/v2\/posts\/1597\/revisions\/1710"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.htflux.com\/en\/wp-json\/wp\/v2\/media\/1604"}],"wp:attachment":[{"href":"https:\/\/www.htflux.com\/en\/wp-json\/wp\/v2\/media?parent=1597"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.htflux.com\/en\/wp-json\/wp\/v2\/categories?post=1597"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.htflux.com\/en\/wp-json\/wp\/v2\/tags?post=1597"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}