{"id":119258,"date":"2024-10-28T09:06:47","date_gmt":"2024-10-28T02:06:47","guid":{"rendered":"https:\/\/hotvideos24.online\/?p=119258"},"modified":"2024-10-28T09:06:47","modified_gmt":"2024-10-28T02:06:47","slug":"scientists-invented-an-entirely-new-way-to-refrigerate-things-sciencealert","status":"publish","type":"post","link":"https:\/\/hotvideos24.online\/?p=119258","title":{"rendered":"Scientists Invented an Entirely New Way to Refrigerate Things : ScienceAlert"},"content":{"rendered":"<p> <script async src=\"https:\/\/pagead2.googlesyndication.com\/pagead\/js\/adsbygoogle.js?client=ca-pub-3711241968723425\"\r\n     crossorigin=\"anonymous\"><\/script>\r\n<ins class=\"adsbygoogle\"\r\n     style=\"display:block\"\r\n     data-ad-format=\"fluid\"\r\n     data-ad-layout-key=\"-fb+5w+4e-db+86\"\r\n     data-ad-client=\"ca-pub-3711241968723425\"\r\n     data-ad-slot=\"7910942971\"><\/ins>\r\n<script>\r\n     (adsbygoogle = window.adsbygoogle || []).push({});\r\n<\/script><br \/>\n<\/p>\n<div>\n<p>Say hello to ionocaloric cooling. It&#8217;s a new way to lower temperatures with the potential to replace existing methods of chilling things with a process that is safer and better for the planet.<\/p>\n<p><!-- START single\/mrec --><br \/>\n<!-- END single\/mrec --><\/p>\n<p>Typical refrigeration systems transport heat away from a space via a fluid that absorbs heat as it evaporates into a gas, which is then transported through a closed tube and condensed back into a liquid. As effective as this process is, some of the choice materials we use as refrigerants are <a href=\"https:\/\/www.sciencealert.com\/it-looks-like-someone-is-producing-an-internationally-banned-ozone-destroying-chemical-once-again\">particularly unfriendly<\/a> to the environment.<\/p>\n<p><!-- START single\/mrec --><br \/>\n<!-- END single\/mrec --><\/p>\n<p>There is, however, more than one way a substance can be forced to absorb and shed heat energy.<\/p>\n<p><!-- START single\/mrec --><br \/>\n<!-- END single\/mrec --><\/p>\n<p>A method unveiled last year, developed by researchers from the Lawrence Berkeley National Laboratory and the University of California, Berkeley, takes advantage of the way that energy is stored or released when a material changes phase, as when solid ice turns to liquid water, for example.<\/p>\n<p><!-- START single\/mrec --><br \/>\n<!-- END single\/mrec --><\/p>\n<p>Raise the temperature on a block of ice, it&#8217;ll melt. What we might not see so easily is that melting absorbs heat from its surroundings, effectively cooling it.<\/p>\n<p><!-- START single\/mrec --><br \/>\n<!-- END single\/mrec --><\/p>\n<p>One way to force ice to melt without needing to turn up the heat is to add a few charged particles, or ions. Putting salt on roads to prevent ice from forming is a common example of this in action. The ionocaloric cycle also uses salt to change a fluid&#8217;s phase and cool its surroundings.<\/p>\n<figure id=\"attachment_141723\" aria-describedby=\"caption-attachment-141723\" style=\"width: 642px\" class=\"wp-caption alignnone\"><img decoding=\"async\" src=\"https:\/\/www.sciencealert.com\/images\/2024\/10\/IllustrationOfConceptNewWayofCooling.jpg\" alt=\"Illustration of the new refrigeration concept\" width=\"642\" height=\"428\" class=\"size-full wp-image-141723\" srcset=\"https:\/\/www.sciencealert.com\/images\/2024\/10\/IllustrationOfConceptNewWayofCooling.jpg 642w, https:\/\/www.sciencealert.com\/images\/2024\/10\/IllustrationOfConceptNewWayofCooling-623x415.jpg 623w, https:\/\/www.sciencealert.com\/images\/2024\/10\/IllustrationOfConceptNewWayofCooling-600x400.jpg 600w\" sizes=\"auto, (max-width: 642px) 100vw, 642px\" loading=\"lazy\"\/><figcaption id=\"caption-attachment-141723\" class=\"wp-caption-text\">Illustration of the ionocaloric cycle concept. (Jenny Nuss\/Berkeley Lab)<\/figcaption><\/figure>\n<p>&#8220;The landscape of refrigerants is an unsolved problem,&#8221; <a href=\"https:\/\/newscenter.lbl.gov\/2023\/01\/03\/cool-new-method-of-refrigeration\/\">said mechanical engineer Drew Lilley<\/a> from the Lawrence Berkeley National Laboratory in California in January 2023.<\/p>\n<p><!-- START single\/mrec --><br \/>\n<!-- END single\/mrec --><\/p>\n<p>&#8220;No one has successfully developed an alternative solution that makes stuff cold, works efficiently, is safe, and doesn&#8217;t hurt the environment. We think the ionocaloric cycle has the potential to meet all those goals if realized appropriately.&#8221;<\/p>\n<p><!-- START single\/mrec --><br \/>\n<!-- END single\/mrec --><\/p>\n<p>The researchers modeled the theory of the ionocaloric cycle to show how it could potentially compete with, or even improve upon, the efficiency of refrigerants in use today. A current running through the system would move the ions in it, shifting the material&#8217;s melting point to change temperature.<\/p>\n<p><!-- START single\/mrec --><br \/>\n<!-- END single\/mrec --><\/p>\n<p>The team also ran experiments using a salt made with iodine and sodium to melt ethylene carbonate. This common organic solvent is also used in lithium-ion batteries and is produced using carbon dioxide as an input. That could make the system not just GWP [global warming potential] zero but GWP negative.<\/p>\n<p><!-- START single\/mrec --><br \/>\n<!-- END single\/mrec --><\/p>\n<p>A temperature shift of 25 degrees Celsius (45 degrees Fahrenheit) was measured through the application of less than a single volt of charge in the experiment, a result that exceeds what other caloric technologies have managed to achieve so far.<\/p>\n<figure id=\"attachment_84659\" aria-describedby=\"caption-attachment-84659\" style=\"width: 642px\" class=\"wp-caption alignnone\"><img decoding=\"async\" src=\"https:\/\/www.sciencealert.com\/images\/2023\/01\/IonocaloricCooling.gif\" alt=\"Ionocaloric cooling\" width=\"642\" height=\"361\" class=\"wp-image-84659 size-full\" srcset=\"https:\/\/www.sciencealert.com\/images\/2023\/01\/IonocaloricCooling.gif 642w, https:\/\/www.sciencealert.com\/images\/2023\/01\/IonocaloricCooling-600x337.gif 600w\" sizes=\"auto, (max-width: 642px) 100vw, 642px\" loading=\"lazy\"\/><figcaption id=\"caption-attachment-84659\" class=\"wp-caption-text\">The ionocaloric cycle in action. (Jenny Nuss\/Berkeley Lab)<\/figcaption><\/figure>\n<p>&#8220;There are three things we&#8217;re trying to balance: the GWP of the refrigerant, energy efficiency, and the cost of the equipment itself,&#8221; <a href=\"https:\/\/newscenter.lbl.gov\/2023\/01\/03\/cool-new-method-of-refrigeration\/\">said mechanical engineer Ravi Prasher<\/a> from the Lawrence Berkeley National Laboratory.<\/p>\n<p><!-- START single\/mrec --><br \/>\n<!-- END single\/mrec --><\/p>\n<p>&#8220;From the first try, our data looks very promising on all three of these aspects.&#8221;<\/p>\n<p><!-- START single\/mrec --><br \/>\n<!-- END single\/mrec --><\/p>\n<p>The vapor compression systems currently used in refrigeration processes rely on gases that have high GWP, such as various hydrofluorocarbons (HFCs).<\/p>\n<p><!-- START single\/mrec --><br \/>\n<!-- END single\/mrec --><\/p>\n<p>Countries that signed up to the Kigali Amendment have committed to reducing the production and consumption of HFCs by at least 80 percent over the next 25 years \u2013 and ionocaloric cooling could play a major part in that.<\/p>\n<p><!-- START single\/mrec --><br \/>\n<!-- END single\/mrec --><\/p>\n<p>Now, the researchers need to get the technology out of the lab and into practical systems that can be used commercially and that scale up without any issues. Eventually, these systems could be used for heating as well as cooling.<\/p>\n<p><!-- START single\/mrec --><br \/>\n<!-- END single\/mrec --><\/p>\n<p>&#8220;We have this brand-new thermodynamic cycle and framework that brings together elements from different fields, and we&#8217;ve shown that it can work,&#8221; <a href=\"https:\/\/newscenter.lbl.gov\/2023\/01\/03\/cool-new-method-of-refrigeration\/\">said Prasher<\/a>.<\/p>\n<p><!-- START single\/mrec --><br \/>\n<!-- END single\/mrec --><\/p>\n<p>&#8220;Now, it&#8217;s time for experimentation to test different combinations of materials and techniques to meet the engineering challenges.&#8221;<\/p>\n<p><!-- START single\/mrec --><br \/>\n<!-- END single\/mrec --><\/p>\n<p>The research was published in <a href=\"https:\/\/www.science.org\/doi\/10.1126\/science.ade1696\"><em>Science<\/em><\/a>.<\/p>\n<p><em>An earlier version of this article was published in January 2023.<\/em><\/p>\n<\/p><\/div>\n<p><script async src=\"https:\/\/pagead2.googlesyndication.com\/pagead\/js\/adsbygoogle.js?client=ca-pub-3711241968723425\"\r\n     crossorigin=\"anonymous\"><\/script>\r\n<ins class=\"adsbygoogle\"\r\n     style=\"display:block\"\r\n     data-ad-format=\"fluid\"\r\n     data-ad-layout-key=\"-fb+5w+4e-db+86\"\r\n     data-ad-client=\"ca-pub-3711241968723425\"\r\n     data-ad-slot=\"7910942971\"><\/ins>\r\n<script>\r\n     (adsbygoogle = window.adsbygoogle || []).push({});\r\n<\/script><br \/>\n<br \/><div data-type=\"_mgwidget\" data-widget-id=\"1660802\">\r\n<\/div>\r\n<script>(function(w,q){w[q]=w[q]||[];w[q].push([\"_mgc.load\"])})(window,\"_mgq\");\r\n<\/script>\r\n<br \/>\n<br \/><a href=\"https:\/\/www.sciencealert.com\/scientists-invented-an-entirely-new-way-to-refrigerate-things\">Source link <\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Say hello to ionocaloric cooling. It&#8217;s a new way to lower temperatures with the potential to replace existing methods of chilling things with a process that is safer and better &hellip; <a href=\"https:\/\/hotvideos24.online\/?p=119258\" class=\"more-link\">Read More<\/a><\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[8630],"tags":[],"class_list":["post-119258","post","type-post","status-publish","format-standard","hentry","category-technology","entry"],"_links":{"self":[{"href":"https:\/\/hotvideos24.online\/index.php?rest_route=\/wp\/v2\/posts\/119258","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/hotvideos24.online\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/hotvideos24.online\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/hotvideos24.online\/index.php?rest_route=\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/hotvideos24.online\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=119258"}],"version-history":[{"count":0,"href":"https:\/\/hotvideos24.online\/index.php?rest_route=\/wp\/v2\/posts\/119258\/revisions"}],"wp:attachment":[{"href":"https:\/\/hotvideos24.online\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=119258"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/hotvideos24.online\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=119258"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/hotvideos24.online\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=119258"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}