{"id":8936,"date":"2024-08-04T11:46:10","date_gmt":"2024-08-04T03:46:10","guid":{"rendered":"https:\/\/tommykwan.com\/blog\/?p=8936"},"modified":"2024-08-04T11:50:24","modified_gmt":"2024-08-04T03:50:24","slug":"cooling-methods-in-turbine-blades","status":"publish","type":"post","link":"https:\/\/tommykwan.com\/blog\/aviation\/cooling-methods-in-turbine-blades\/","title":{"rendered":"Cooling Methods in Turbine Blades"},"content":{"rendered":"<p>Reference: <a href=\"https:\/\/blog.softinway.com\/cooling-methods-in-turbine-blades\/\">Cooling Methods in Turbine Blades | Turbomachinery blog (softinway.com)<\/a><\/p>\n<ol>\n<li>thermal barrier coating on the turbine blade (Blade Passive Protection)<\/li>\n<li>internal cooling<br \/>\n&#8211; maintains the blade metal temperature below the outside gas temperature by heat transfer to internal cooling air<br \/>\n&#8211; include convection cooling and impingement cooling, where cooling air runs through channels within the blade<br \/>\n<img decoding=\"async\" src=\"https:\/\/blog.softinway.com\/wp-content\/uploads\/2020\/04\/Figure-3-Turbine-inlet-guide-vanes-of-Atar-turbojet-with-visible-cutaway-of-cooling-passages.jpg\" \/><\/li>\n<li>film and transpiration cooling<br \/>\n&#8211; aim is to reduce heat transfer to the blades surface<br \/>\n&#8211; full-coverage film cooling and transpiration cooling<\/li>\n<\/ol>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"\" src=\"https:\/\/blog.softinway.com\/wp-content\/uploads\/2020\/04\/Figure-4-Turbine-blade-with-cooling-holes-for-film-cooling.png\" alt=\"Figure 4: Turbine blade with cooling holes for film cooling\" width=\"443\" height=\"242\" \/><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"\" src=\"https:\/\/blog.softinway.com\/wp-content\/uploads\/2020\/04\/Figure-1-High-pressure-turbine-guide-vane-with-cooling-holes.jpg\" alt=\"Figure 1: High pressure turbine guide vane with cooling holes\" width=\"437\" height=\"309\" \/><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Reference: Cooling Methods in Turbine Blades | Turbomachinery blog (softinway.com) thermal barrier coating on the turbine blade (Blade Passive Protection) internal cooling &#8211; maintains the blade metal temperature below the outside gas temperature by heat transfer to internal cooling air &#8211; include convection cooling and impingement cooling, where cooling air runs through channels within the<a class=\"read-more \" href=\"https:\/\/tommykwan.com\/blog\/aviation\/cooling-methods-in-turbine-blades\/\" title=\"Read More\"> <span class=\"button default\">Read More<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[75,64],"tags":[],"class_list":["post-8936","post","type-post","status-publish","format-standard","hentry","category-agk-airframe-engine-system","category-aviation"],"_links":{"self":[{"href":"https:\/\/tommykwan.com\/blog\/wp-json\/wp\/v2\/posts\/8936","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/tommykwan.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/tommykwan.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/tommykwan.com\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/tommykwan.com\/blog\/wp-json\/wp\/v2\/comments?post=8936"}],"version-history":[{"count":5,"href":"https:\/\/tommykwan.com\/blog\/wp-json\/wp\/v2\/posts\/8936\/revisions"}],"predecessor-version":[{"id":8941,"href":"https:\/\/tommykwan.com\/blog\/wp-json\/wp\/v2\/posts\/8936\/revisions\/8941"}],"wp:attachment":[{"href":"https:\/\/tommykwan.com\/blog\/wp-json\/wp\/v2\/media?parent=8936"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/tommykwan.com\/blog\/wp-json\/wp\/v2\/categories?post=8936"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/tommykwan.com\/blog\/wp-json\/wp\/v2\/tags?post=8936"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}