{"id":4473,"date":"2024-04-12T16:42:21","date_gmt":"2024-04-12T14:42:21","guid":{"rendered":"https:\/\/www.virdex.it\/2024\/04\/12\/air-extraction-formulas\/"},"modified":"2024-04-12T16:42:21","modified_gmt":"2024-04-12T14:42:21","slug":"air-extraction-formulas","status":"publish","type":"post","link":"https:\/\/www.virdex.it\/en\/2024\/04\/12\/air-extraction-formulas\/","title":{"rendered":"Air Extraction Formulas"},"content":{"rendered":"<div class=\"wpb-content-wrapper\"><p>[vc_row][vc_column][vc_column_text text_larger=&#8221;no&#8221;][\/vc_column_text][vc_column_text text_larger=&#8221;no&#8221;]As much as we may have hated mathematics as children, they always reappear in our daily lives as adults.<\/p>\n<p>Even in restaurant kitchens!<\/p>\n<p>In this case, the formula to calculate the air flow rate of the hoods.<\/p>\n<p>Well, <strong>formulas<\/strong>. There are more than one&#8230;<\/p>\n<p>Nothing difficult, per se.<br \/>\nWe don&#8217;t have to bother Gauss or Kepler about it.<\/p>\n<p>But it&#8217;s still an important calculation, and it&#8217;s best left to the experts.<\/p>\n<p>Also because it does not lead to a certain and univocal value: it is always necessary to <em>refine<\/em> the results, and consider other variables, which unfortunately are many and different, as we will see.<\/p>\n<p>Precisely for this reason we will not go into specifics.<\/p>\n<p>Every installer has his own method (and we certainly don&#8217;t want to bypass them).<\/p>\n<p>And, as I wrote above, there are many, too many, \u201c<em>ifs<\/em>\u201d and \u201c<em>buts<\/em>\u201d\u2026.<\/p>\n<p>So, let&#8217;s instead analyze what parameters you may need to calculate the necessary air flow:<\/p>\n<p>First of all, the <em>volume<\/em> of the room, be it kitchen or other.<\/p>\n<p>The flow rate can be calculated so that it satisfies said volume multiplied by a number ranging from 5 to 10 times (or&#8230; no!)<\/p>\n<p>The <em>perimeter<\/em> of the hood, i.e. width and depth.<\/p>\n<p>The dimensions of the <em>slots<\/em> can also be taken into consideration (taking into account the filters&#8230;).<\/p>\n<p>And then: <em>capture speed<\/em>, <em>distance<\/em> of the hood from the thermal sources, <em>geometry<\/em> of the hood itself, <em>type of cooking<\/em>, <em>smoke plume<\/em>.<\/p>\n<p>And let&#8217;s not complicate our lives with <em>disturbing currents<\/em>&#8230;<\/p>\n<p>In short, it is better to combine theory with practice.<\/p>\n<p>Use ideal formulas (everyone has their &#8220;favorite&#8221;), to be smoothed out with empirical observations.<\/p>\n<p>And use a <a href=\"http:\/\/www.aluminox.it\"><strong>good hood,<\/strong><\/a> otherwise doing calculations is just a waste of time![\/vc_column_text][\/vc_column][\/vc_row]<\/p>\n<\/div>","protected":false},"excerpt":{"rendered":"<p>[vc_row][vc_column][vc_column_text text_larger=&#8221;no&#8221;][\/vc_column_text][vc_column_text text_larger=&#8221;no&#8221;]As much as we may have hated mathematics as children, they always reappear in our daily lives as<\/p>\n","protected":false},"author":3,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[],"tags":[],"class_list":["post-4473","post","type-post","status-publish","format-standard","hentry"],"_links":{"self":[{"href":"https:\/\/www.virdex.it\/en\/wp-json\/wp\/v2\/posts\/4473","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.virdex.it\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.virdex.it\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.virdex.it\/en\/wp-json\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/www.virdex.it\/en\/wp-json\/wp\/v2\/comments?post=4473"}],"version-history":[{"count":0,"href":"https:\/\/www.virdex.it\/en\/wp-json\/wp\/v2\/posts\/4473\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.virdex.it\/en\/wp-json\/wp\/v2\/media?parent=4473"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.virdex.it\/en\/wp-json\/wp\/v2\/categories?post=4473"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.virdex.it\/en\/wp-json\/wp\/v2\/tags?post=4473"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}