{"id":2503,"date":"2020-10-24T20:58:48","date_gmt":"2020-10-24T20:58:48","guid":{"rendered":"https:\/\/eschooltoday.com\/learn\/?page_id=2503"},"modified":"2021-08-28T12:33:43","modified_gmt":"2021-08-28T12:33:43","slug":"what-is-convection","status":"publish","type":"page","link":"https:\/\/eschooltoday.com\/learn\/what-is-convection\/","title":{"rendered":"What is Convection in Thermal Energy transfer?"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-page\" data-elementor-id=\"2503\" class=\"elementor elementor-2503\">\n\t\t\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-98ce148 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"98ce148\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-8d52bbf\" data-id=\"8d52bbf\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<section class=\"elementor-section elementor-inner-section elementor-element elementor-element-e127e5e elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"e127e5e\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-33 elementor-inner-column elementor-element elementor-element-966421f\" data-id=\"966421f\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-490cd47 elementor-align-start elementor-icon-list--layout-traditional elementor-list-item-link-full_width elementor-widget elementor-widget-icon-list\" data-id=\"490cd47\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"icon-list.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<ul class=\"elementor-icon-list-items\">\n\t\t\t\t\t\t\t<li class=\"elementor-icon-list-item\">\n\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-text\">Kinds of energy<\/span>\n\t\t\t\t\t\t\t\t\t<\/li>\n\t\t\t\t\t\t<\/ul>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-5d01a90 elementor-widget elementor-widget-jet-nav-menu\" data-id=\"5d01a90\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"jet-nav-menu.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<nav class=\"jet-nav-wrap m-layout-mobile\"><div class=\"menu-kinds-of-energy-container\"><div class=\"jet-nav m-layout-mobile jet-nav--vertical jet-nav--vertical-sub-left-side\"><div class=\"menu-item menu-item-type-post_type menu-item-object-page jet-nav__item-2352 jet-nav__item\"><a href=\"https:\/\/eschooltoday.com\/learn\/what-is-energy\/\" class=\"menu-item-link menu-item-link-depth-0 menu-item-link-top\"><span class=\"jet-nav-link-text\">What is energy?<\/span><\/a><\/div>\n<div class=\"menu-item menu-item-type-post_type menu-item-object-page jet-nav__item-2351 jet-nav__item\"><a href=\"https:\/\/eschooltoday.com\/learn\/kinetic-energy\/\" class=\"menu-item-link menu-item-link-depth-0 menu-item-link-top\"><span class=\"jet-nav-link-text\">Kinetic Energy<\/span><\/a><\/div>\n<div class=\"menu-item menu-item-type-post_type menu-item-object-page jet-nav__item-2350 jet-nav__item\"><a href=\"https:\/\/eschooltoday.com\/learn\/mechanical-energy\/\" class=\"menu-item-link menu-item-link-depth-0 menu-item-link-top\"><span class=\"jet-nav-link-text\">Mechanical Energy<\/span><\/a><\/div>\n<div class=\"menu-item menu-item-type-post_type menu-item-object-page jet-nav__item-2424 jet-nav__item\"><a href=\"https:\/\/eschooltoday.com\/learn\/sound-energy\/\" class=\"menu-item-link menu-item-link-depth-0 menu-item-link-top\"><span class=\"jet-nav-link-text\">Sound Energy<\/span><\/a><\/div>\n<div class=\"menu-item menu-item-type-post_type menu-item-object-page jet-nav__item-2423 jet-nav__item\"><a href=\"https:\/\/eschooltoday.com\/learn\/thermal-energy\/\" class=\"menu-item-link menu-item-link-depth-0 menu-item-link-top\"><span class=\"jet-nav-link-text\">Thermal Energy<\/span><\/a><\/div>\n<div class=\"menu-item menu-item-type-post_type menu-item-object-page jet-nav__item-2422 jet-nav__item\"><a href=\"https:\/\/eschooltoday.com\/learn\/chemical-energy\/\" class=\"menu-item-link menu-item-link-depth-0 menu-item-link-top\"><span class=\"jet-nav-link-text\">Chemical Energy<\/span><\/a><\/div>\n<div class=\"menu-item menu-item-type-post_type menu-item-object-page jet-nav__item-2421 jet-nav__item\"><a href=\"https:\/\/eschooltoday.com\/learn\/electrical-energy\/\" class=\"menu-item-link menu-item-link-depth-0 menu-item-link-top\"><span class=\"jet-nav-link-text\">Electrical Energy<\/span><\/a><\/div>\n<div class=\"menu-item menu-item-type-post_type menu-item-object-page jet-nav__item-2420 jet-nav__item\"><a href=\"https:\/\/eschooltoday.com\/learn\/gravitational-and-potential-energy\/\" class=\"menu-item-link menu-item-link-depth-0 menu-item-link-top\"><span class=\"jet-nav-link-text\">Gravitational and Potential Energy<\/span><\/a><\/div>\n<div class=\"menu-item menu-item-type-post_type menu-item-object-page jet-nav__item-2429 jet-nav__item\"><a href=\"https:\/\/eschooltoday.com\/learn\/elastic-potential-energy\/\" class=\"menu-item-link menu-item-link-depth-0 menu-item-link-top\"><span class=\"jet-nav-link-text\">Elastic Potential Energy<\/span><\/a><\/div>\n<div class=\"menu-item menu-item-type-post_type menu-item-object-page jet-nav__item-2419 jet-nav__item\"><a href=\"https:\/\/eschooltoday.com\/learn\/radiant-energy\/\" class=\"menu-item-link menu-item-link-depth-0 menu-item-link-top\"><span class=\"jet-nav-link-text\">What is Radiant Energy?<\/span><\/a><\/div>\n<div class=\"menu-item menu-item-type-post_type menu-item-object-page jet-nav__item-2417 jet-nav__item\"><a href=\"https:\/\/eschooltoday.com\/learn\/nuclear-energy\/\" class=\"menu-item-link menu-item-link-depth-0 menu-item-link-top\"><span class=\"jet-nav-link-text\">What is Nuclear Energy?<\/span><\/a><\/div>\n<div class=\"menu-item menu-item-type-post_type menu-item-object-page jet-nav__item-2418 jet-nav__item\"><a href=\"https:\/\/eschooltoday.com\/learn\/energy-stored-transferred-and-dissipation\/\" class=\"menu-item-link menu-item-link-depth-0 menu-item-link-top\"><span class=\"jet-nav-link-text\">Energy stored, Transferred and Dissipation<\/span><\/a><\/div>\n<\/div><\/div><\/nav>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-618040e elementor-widget elementor-widget-html\" data-id=\"618040e\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"html.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<script async src=\"https:\/\/pagead2.googlesyndication.com\/pagead\/js\/adsbygoogle.js\"><\/script>\n<!-- Tall-Responsive -->\n<ins class=\"adsbygoogle\"\n     style=\"display:block\"\n     data-ad-client=\"ca-pub-4993435605385515\"\n     data-ad-slot=\"6804764118\"\n     data-ad-format=\"auto\"\n     data-full-width-responsive=\"true\"><\/ins>\n<script>\n     (adsbygoogle = window.adsbygoogle || []).push({});\n<\/script>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t<div class=\"elementor-column elementor-col-33 elementor-inner-column elementor-element elementor-element-578756d\" data-id=\"578756d\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-d12bfbc elementor-widget elementor-widget-heading\" data-id=\"d12bfbc\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Heat transfer by Convection<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-886bd81 elementor-widget elementor-widget-text-editor\" data-id=\"886bd81\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><a href=\"https:\/\/eschooltoday.com\/learn\/what-is-conduction\/\">CONDUCTION<\/a>\u00a0| <a href=\"https:\/\/eschooltoday.com\/learn\/what-is-radiation\/\">RADIATION<\/a><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-084120a elementor-widget elementor-widget-text-editor\" data-id=\"084120a\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><span data-preserver-spaces=\"true\">Unlike in metals, particles in liquids and gases are\u00a0<\/span><strong><em><span data-preserver-spaces=\"true\">loose<\/span><\/em><\/strong><span data-preserver-spaces=\"true\">\u00a0and move from place to place (it is important to note that). When the particles in liquids and gases get warm, they become less dense, take up more space (because the particles move more freely but stay the same in size) and they rise. The vacuum is quickly replaced by cooler particles that are denser (because they are heavier). Thermal energy is transferred from hot places to cold places (air or liquid) by <b>convection<\/b>.<\/span><\/p><p><span data-preserver-spaces=\"true\">Here is an example of convection in (A) liquid and (B) gas:<\/span><\/p><figure id=\"attachment_2527\" aria-describedby=\"caption-attachment-2527\" style=\"width: 600px\" class=\"wp-caption alignnone\"><img fetchpriority=\"high\" decoding=\"async\" class=\"size-full wp-image-2527\" src=\"https:\/\/eschooltoday.com\/learn\/wp-content\/uploads\/2020\/10\/heat-convection.jpg\" alt=\"Convection in liquids and gases\" width=\"600\" height=\"362\" srcset=\"https:\/\/eschooltoday.com\/learn\/wp-content\/uploads\/2020\/10\/heat-convection.jpg 600w, https:\/\/eschooltoday.com\/learn\/wp-content\/uploads\/2020\/10\/heat-convection-300x181.jpg 300w\" sizes=\"(max-width: 600px) 100vw, 600px\" \/><figcaption id=\"caption-attachment-2527\" class=\"wp-caption-text\">Convection in liquids and gases<\/figcaption><\/figure><p><span data-preserver-spaces=\"true\">Did you know&#8230;<\/span><\/p><p><span data-preserver-spaces=\"true\">Winds and air pressure systems such as hurricanes and tropical storms are formed by convection. When the ocean surfaces are heated up by the sun, warm air with moisture over the water surface rise, and cooler dense air fall to fill up the vacuum. This convection process sets off winds and storms.<\/span><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t<div class=\"elementor-column elementor-col-33 elementor-inner-column elementor-element elementor-element-0c78af1\" data-id=\"0c78af1\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-a90bc95 elementor-widget elementor-widget-html\" data-id=\"a90bc95\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"html.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<script async src=\"https:\/\/pagead2.googlesyndication.com\/pagead\/js\/adsbygoogle.js\"><\/script>\n<!-- Tall-Responsive -->\n<ins class=\"adsbygoogle\"\n     style=\"display:block\"\n     data-ad-client=\"ca-pub-4993435605385515\"\n     data-ad-slot=\"6804764118\"\n     data-ad-format=\"auto\"\n     data-full-width-responsive=\"true\"><\/ins>\n<script>\n     (adsbygoogle = window.adsbygoogle || []).push({});\n<\/script>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-inner-section elementor-element elementor-element-dce1eaf elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"dce1eaf\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-50 elementor-inner-column elementor-element elementor-element-6f4e243\" data-id=\"6f4e243\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-8578b26 elementor-widget elementor-widget-button\" data-id=\"8578b26\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div class=\"elementor-button-wrapper\">\n\t\t\t\t\t<a class=\"elementor-button elementor-button-link elementor-size-md\" href=\"https:\/\/eschooltoday.com\/learn\/thermal-energy\/\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t\t\t\t<span class=\"elementor-button-text\">GO BACK<\/span>\n\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t<div class=\"elementor-column elementor-col-50 elementor-inner-column elementor-element elementor-element-384e75a\" data-id=\"384e75a\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-1982b34 elementor-widget elementor-widget-button\" data-id=\"1982b34\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div class=\"elementor-button-wrapper\">\n\t\t\t\t\t<a class=\"elementor-button elementor-button-link elementor-size-md\" href=\"https:\/\/eschooltoday.com\/learn\/chemical-energy\/\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t\t\t\t<span class=\"elementor-button-text\">NEXT PAGE<\/span>\n\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<\/div>\n\t\t","protected":false},"excerpt":{"rendered":"<p>Kinds of energy What is energy? Kinetic Energy Mechanical Energy Sound Energy Thermal Energy Chemical Energy Electrical Energy Gravitational and Potential Energy Elastic Potential Energy Radiant Energy Nuclear Energy Energy stored, Transferred and Dissipation Heat transfer by Convection CONDUCTION&nbsp;| RADIATION Unlike in metals, particles in liquids and gases are&nbsp;loose&nbsp;and move from place to place (it [&hellip;]<\/p>\n","protected":false},"author":3,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"page-templates\/fullwidth-content.php","meta":{"footnotes":""},"class_list":["post-2503","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/eschooltoday.com\/learn\/wp-json\/wp\/v2\/pages\/2503","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/eschooltoday.com\/learn\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/eschooltoday.com\/learn\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/eschooltoday.com\/learn\/wp-json\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/eschooltoday.com\/learn\/wp-json\/wp\/v2\/comments?post=2503"}],"version-history":[{"count":7,"href":"https:\/\/eschooltoday.com\/learn\/wp-json\/wp\/v2\/pages\/2503\/revisions"}],"predecessor-version":[{"id":10206,"href":"https:\/\/eschooltoday.com\/learn\/wp-json\/wp\/v2\/pages\/2503\/revisions\/10206"}],"wp:attachment":[{"href":"https:\/\/eschooltoday.com\/learn\/wp-json\/wp\/v2\/media?parent=2503"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}