{"id":694,"date":"2026-01-24T18:50:21","date_gmt":"2026-01-24T18:50:21","guid":{"rendered":"https:\/\/globalrainlock.com\/?p=694"},"modified":"2026-03-09T22:30:32","modified_gmt":"2026-03-09T22:30:32","slug":"energie-calculator-water","status":"publish","type":"post","link":"https:\/\/globalrainlock.com\/en\/energie-calculator-water\/","title":{"rendered":"Energy calculator water"},"content":{"rendered":"<p class=\"wp-block-paragraph\">Below you will find an explanation of the impact of water volumes on energy transfers.<br>If you close the full screen (scroll down) you can use the calculator to find specific values.<br><br><br>Climate change presents us with major challenges: heat stress in cities, flooding due to peak rainfall and rising energy costs for heating and cooling. The Global WCS Roof System offers an innovative solution that not only reduces your energy consumption, but also contributes to a sustainable urban climate.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">The impact of water on a roof: heat loss and energy costs<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Roof constructions play a crucial role in the energy management of buildings. A layer of water on a roof leads to significant heat transfer. With proper management, a layer of standing water on a roof can lead to significant desired heat transfers. We can quantify this with the following heat conduction formula.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">If we make this clear, we get the picture below:<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img fetchpriority=\"high\" decoding=\"async\" width=\"750\" height=\"440\" src=\"https:\/\/globalrainlock.com\/wp-content\/uploads\/2026\/01\/image-3.png\" alt=\"\" class=\"wp-image-698\" srcset=\"https:\/\/globalrainlock.com\/wp-content\/uploads\/2026\/01\/image-3.png 750w, https:\/\/globalrainlock.com\/wp-content\/uploads\/2026\/01\/image-3-300x176.png 300w\" sizes=\"(max-width: 750px) 100vw, 750px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>What does this analysis show?<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">More insulation (higher R-value) significantly reduces heat loss.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">A higher water layer increases heat loss, especially with poorly insulated roofs.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Larger temperature difference (\u0394T\\Delta T\u0394T) increases the effect of water on heat loss.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Met het Global WCS Daksysteem wordt dit probleem slim beheerd:<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">In winter, excess water is drained away to minimize heat loss.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">In the summer, a controlled water layer is used to cool the building.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Water storage prevents peak load on the sewer system and contributes to climate adaptation.<\/p>\n\n\n\n<title>Energie Calculator<\/title>\n    <script>\n        function berekenWarmteverlies() {\n            let area = parseFloat(document.getElementById(\"area\").value);\n            let deltaT = parseFloat(document.getElementById(\"deltaT\").value);\n            let r = parseFloat(document.getElementById(\"r\").value);\n            let d = parseFloat(document.getElementById(\"d\").value);\n            let electricityPrice = parseFloat(document.getElementById(\"electricityPrice\").value);\n            let gasPrice = parseFloat(document.getElementById(\"gasPrice\").value);\n\n            let warmteverlies = area * deltaT \/ (d \/ 0.6 + r);\n            let kostenElectriciteit = (warmteverlies * 24 * 30 \/ 1000) * electricityPrice;\n            let kostenGas = ((warmteverlies * 24 * 30 \/ 1000) \/ 10) * gasPrice;\n\n            document.getElementById(\"output\").innerHTML =\n                \"Warmteverlies: \" + warmteverlies.toFixed(2) + \" W<br>\" +\n                \"Kosten bij elektriciteit per maand: \u20ac\" + kostenElectriciteit.toFixed(2) + \"<br>\" +\n                \"Kosten bij gas per maand: \u20ac\" + kostenGas.toFixed(2);\n        }\n    <\/script>\n\n\n    <h2>Energy calculator<\/h2>\n    <label>Roof area:<\/label>\n    <input type=\"number\" id=\"area\" value=\"400\"><br>\n    <label>Temperature difference, indoor temperature - outdoor temperature:<\/label>\n    <input type=\"number\" id=\"deltaT\" value=\"-10\"><br>\n    <label>Isolation value:<\/label>\n    <input type=\"number\" id=\"r\" value=\"4\" step=\"0.5\"><br>\n    <label>Water level:<\/label>\n    <input type=\"number\" id=\"d\" value=\"0.03\" step=\"0.01\"><br>\n    <label>Electricity cost:<\/label>\n    <input type=\"number\" id=\"electricityPrice\" value=\"0.40\" step=\"0.01\"><br>\n    <label>Gas price:<\/label>\n    <input type=\"number\" id=\"gasPrice\" value=\"1.20\" step=\"0.05\"><br>\n    <button onclick=\"berekenWarmteverlies()\">Calculate<\/button>\n    <p id=\"output\"><\/p>","protected":false},"excerpt":{"rendered":"<p>Onderstaand vind u uitleg over de impact van watervolumes op energieoverdrachten.Indien u het volledig scherm sluit (scroll down) kunt u de calculator gebruiken voor specifieke waardes te vinden. Klimaatverandering stelt ons voor grote uitdagingen: hittestress in steden, wateroverlast door piekbuien en stijgende energiekosten voor verwarming en koeling. Het Global WCS Daksysteem biedt een innovatieve oplossing [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[22],"tags":[],"class_list":["post-694","post","type-post","status-publish","format-standard","hentry","category-kennis"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.3 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Energie calculator water - Global Water Control Systems<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/globalrainlock.com\/en\/energie-calculator-water\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Energie calculator water - Global Water Control Systems\" \/>\n<meta property=\"og:description\" content=\"Onderstaand vind u uitleg over de impact van watervolumes op energieoverdrachten.Indien u het volledig scherm sluit (scroll down) kunt u de calculator gebruiken voor specifieke waardes te vinden. Klimaatverandering stelt ons voor grote uitdagingen: hittestress in steden, wateroverlast door piekbuien en stijgende energiekosten voor verwarming en koeling. 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Klimaatverandering stelt ons voor grote uitdagingen: hittestress in steden, wateroverlast door piekbuien en stijgende energiekosten voor verwarming en koeling. 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