{"id":96,"date":"2021-01-26T21:03:13","date_gmt":"2021-01-27T02:03:13","guid":{"rendered":"https:\/\/opentextbc.ca\/basichvac\/part\/mechanical-cooling\/"},"modified":"2023-03-02T11:44:22","modified_gmt":"2023-03-02T16:44:22","slug":"mechanical-cooling","status":"publish","type":"part","link":"https:\/\/opentextbc.ca\/basichvac\/part\/mechanical-cooling\/","title":{"raw":"Mechanical Cooling","rendered":"Mechanical Cooling"},"content":{"raw":"Click play on the following audio player to listen along as you read this section.\r\n\r\nhttps:\/\/media.bccampus.ca\/id\/0_nwpdkb14?width=608&amp;height=80&amp;playerId=23449753\r\n\r\n<strong>[pb_glossary id=\"167\"]Mechanical cooling[\/pb_glossary]<\/strong> refers to any of several methods that use energy to actively remove heat, or thermal energy, from one location and dissipate it elsewhere. Mechanical cooling is governed by the principles of <strong>[pb_glossary id=\"217\"]thermodynamics[\/pb_glossary]<\/strong>, [pb_glossary id=\"168\"]<strong>gas pressure laws<\/strong>[\/pb_glossary] and the energy intensive properties of rapidly evaporating <strong>[pb_glossary id=\"231\"]refrigerants[\/pb_glossary]<\/strong>.\r\n\r\nAll mechanical cooling systems rely on an electric motor to power a pump or compressor, which drives the cooling medium throughout the system.","rendered":"<p>Click play on the following audio player to listen along as you read this section.<\/p>\n<p><iframe loading=\"lazy\" id=\"kaltura_player\" title=\"4.0 Mechanical Cooling\" src=\"https:\/\/api.ca.kaltura.com\/p\/148\/sp\/14800\/embedIframeJs\/uiconf_id\/23449753\/partner_id\/148?iframeembed=true&#38;playerId=kaltura_player&#38;entry_id=0_nwpdkb14&#38;flashvars[leadWithHTML5]=true&#38;flashvars[streamerType]=auto&#38;flashvars[localizationCode]=en&#38;flashvars[sideBarContainer.plugin]=true&#38;flashvars[sideBarContainer.position]=left&#38;flashvars[sideBarContainer.clickToClose]=true&#38;flashvars[chapters.plugin]=true&#38;flashvars[chapters.layout]=vertical&#38;flashvars[chapters.thumbnailRotator]=false&#38;flashvars[streamSelector.plugin]=true&#38;flashvars[EmbedPlayer.SpinnerTarget]=videoHolder&#38;flashvars[dualScreen.plugin]=true&#38;flashvars[Kaltura.addCrossoriginToIframe]=true&#38;wid=0_t0w2wgct\" width=\"608\" height=\"80\" allowfullscreen=\"allowfullscreen\" sandbox=\"allow-downloads allow-forms allow-same-origin allow-scripts allow-top-navigation allow-pointer-lock allow-popups allow-modals allow-orientation-lock allow-popups-to-escape-sandbox allow-presentation allow-top-navigation-by-user-activation\" frameborder=\"0\"><\/iframe><\/p>\n<p><strong><a class=\"glossary-term\" aria-haspopup=\"dialog\" aria-describedby=\"definition\" href=\"#term_96_167\">Mechanical cooling<\/a><\/strong> refers to any of several methods that use energy to actively remove heat, or thermal energy, from one location and dissipate it elsewhere. Mechanical cooling is governed by the principles of <strong><a class=\"glossary-term\" aria-haspopup=\"dialog\" aria-describedby=\"definition\" href=\"#term_96_217\">thermodynamics<\/a><\/strong>, <a class=\"glossary-term\" aria-haspopup=\"dialog\" aria-describedby=\"definition\" href=\"#term_96_168\"><strong>gas pressure laws<\/strong><\/a> and the energy intensive properties of rapidly evaporating <strong><a class=\"glossary-term\" aria-haspopup=\"dialog\" aria-describedby=\"definition\" href=\"#term_96_231\">refrigerants<\/a><\/strong>.<\/p>\n<p>All mechanical cooling systems rely on an electric motor to power a pump or compressor, which drives the cooling medium throughout the system.<\/p>\n<div class=\"glossary\"><span class=\"screen-reader-text\" id=\"definition\">definition<\/span><template id=\"term_96_167\"><div class=\"glossary__definition\" role=\"dialog\" data-id=\"term_96_167\"><div tabindex=\"-1\"><p>Any method that uses energy to actively remove heat from one area and dissipate it elsewhere.<\/p>\n<\/div><button><span aria-hidden=\"true\">&times;<\/span><span class=\"screen-reader-text\">Close definition<\/span><\/button><\/div><\/template><template id=\"term_96_217\"><div class=\"glossary__definition\" role=\"dialog\" data-id=\"term_96_217\"><div tabindex=\"-1\"><p>The branch of science that studies the relations between heat and other forms of energy.<\/p>\n<\/div><button><span aria-hidden=\"true\">&times;<\/span><span class=\"screen-reader-text\">Close definition<\/span><\/button><\/div><\/template><template id=\"term_96_168\"><div class=\"glossary__definition\" role=\"dialog\" data-id=\"term_96_168\"><div tabindex=\"-1\"><p>A set of physical laws that describe how gasses and liquids behave as their properties of volume, density and temperature change.<\/p>\n<\/div><button><span aria-hidden=\"true\">&times;<\/span><span class=\"screen-reader-text\">Close definition<\/span><\/button><\/div><\/template><template id=\"term_96_231\"><div class=\"glossary__definition\" role=\"dialog\" data-id=\"term_96_231\"><div tabindex=\"-1\"><p>A material used in DX cooling systems that boils below room temperature, and is used to transfer thermal energy from one point to another.<\/p>\n<\/div><button><span aria-hidden=\"true\">&times;<\/span><span class=\"screen-reader-text\">Close definition<\/span><\/button><\/div><\/template><\/div>","protected":false},"parent":0,"menu_order":4,"template":"","meta":{"pb_part_invisible":false,"pb_part_invisible_string":""},"contributor":[],"license":[],"class_list":["post-96","part","type-part","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/opentextbc.ca\/basichvac\/wp-json\/pressbooks\/v2\/parts\/96","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/opentextbc.ca\/basichvac\/wp-json\/pressbooks\/v2\/parts"}],"about":[{"href":"https:\/\/opentextbc.ca\/basichvac\/wp-json\/wp\/v2\/types\/part"}],"version-history":[{"count":2,"href":"https:\/\/opentextbc.ca\/basichvac\/wp-json\/pressbooks\/v2\/parts\/96\/revisions"}],"predecessor-version":[{"id":354,"href":"https:\/\/opentextbc.ca\/basichvac\/wp-json\/pressbooks\/v2\/parts\/96\/revisions\/354"}],"wp:attachment":[{"href":"https:\/\/opentextbc.ca\/basichvac\/wp-json\/wp\/v2\/media?parent=96"}],"wp:term":[{"taxonomy":"contributor","embeddable":true,"href":"https:\/\/opentextbc.ca\/basichvac\/wp-json\/wp\/v2\/contributor?post=96"},{"taxonomy":"license","embeddable":true,"href":"https:\/\/opentextbc.ca\/basichvac\/wp-json\/wp\/v2\/license?post=96"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}