{"id":8495,"date":"2024-06-02T01:44:19","date_gmt":"2024-06-01T17:44:19","guid":{"rendered":"https:\/\/tommykwan.com\/blog\/?p=8495"},"modified":"2024-06-02T01:58:15","modified_gmt":"2024-06-01T17:58:15","slug":"whats-coanda-effect-how-aircraft-wings-generate-lift","status":"publish","type":"post","link":"https:\/\/tommykwan.com\/blog\/aviation\/whats-coanda-effect-how-aircraft-wings-generate-lift\/","title":{"rendered":"What&#8217;s Coanda Effect? [How aircraft wings generate lift?]"},"content":{"rendered":"<p>\u8b80\u5de6Aviation \u5481\u8010, \u5927\u5bb6\u591a\u6578\u53ea\u4fc2\u8b58\u7528 Bernoulli principle \u53bb\u89e3\u91cb&#8230;\u56fa\u7136\u7121\u932f&#8230;<\/p>\n<p>\u4f46\u4e0d\u5f97\u4e0d\u8aaa&#8230;\u518d\u5b78\u8853\u5c11\u5c11, \u543e\u597d\u543e\u8b58 <a href=\"https:\/\/en.wikipedia.org\/wiki\/Coand%C4%83_effect\">Coand\u0103 effect<\/a><\/p>\n<p>The\u00a0<b>Coand\u0103 effect<\/b>\u00a0(<span class=\"rt-commentedText nowrap\"><span class=\"IPA nopopups noexcerpt\" lang=\"en-fonipa\"><a title=\"Help:IPA\/English\" href=\"https:\/\/en.wikipedia.org\/wiki\/Help:IPA\/English\">\/<span title=\"\/\u02c8\/: primary stress follows\">\u02c8<\/span><span title=\"'k' in 'kind'\">k<\/span><span title=\"'w' in 'wind'\">w<\/span><span title=\"\/\u0251\u02d0\/: 'a' in 'father'\">\u0251\u02d0<\/span><span title=\"'n' in 'nigh'\">n<\/span><span title=\"'d' in 'dye'\">d<\/span><span title=\"\/\u0259\/: 'a' in 'about'\">\u0259<\/span>\/<\/a><\/span><\/span>\u00a0or\u00a0<span class=\"rt-commentedText nowrap\"><span class=\"IPA nopopups noexcerpt\" lang=\"en-fonipa\"><a title=\"Help:IPA\/English\" href=\"https:\/\/en.wikipedia.org\/wiki\/Help:IPA\/English\">\/<span title=\"\/\u02c8\/: primary stress follows\">\u02c8<\/span><span title=\"'k' in 'kind'\">k<\/span><span title=\"'w' in 'wind'\">w<\/span><span title=\"\/\u00e6\/: 'a' in 'bad'\">\u00e6<\/span>-\/<\/a><\/span><\/span>) is the <strong>tendency of a\u00a0<a title=\"Jet (fluid)\" href=\"https:\/\/en.wikipedia.org\/wiki\/Jet_(fluid)\">fluid jet<\/a>\u00a0to stay attached to a\u00a0<a class=\"mw-redirect\" title=\"Convex surface\" href=\"https:\/\/en.wikipedia.org\/wiki\/Convex_surface\">convex surface<\/a>.<\/strong><sup id=\"cite_ref-1\" class=\"reference\"><a href=\"https:\/\/en.wikipedia.org\/wiki\/Coand%C4%83_effect#cite_note-1\">[1]<\/a><\/sup>\u00a0<i><a title=\"Merriam-Webster\" href=\"https:\/\/en.wikipedia.org\/wiki\/Merriam-Webster\">Merriam-Webster<\/a><\/i>\u00a0describes it as &#8220;the tendency of a jet of fluid emerging from an orifice to follow an adjacent flat or curved surface and to entrain fluid from the surroundings so that a region of lower pressure develops.&#8221;<sup id=\"cite_ref-2\" class=\"reference\"><a href=\"https:\/\/en.wikipedia.org\/wiki\/Coand%C4%83_effect#cite_note-2\">[2]<\/a><\/sup><\/p>\n<p>It is named after Romanian inventor\u00a0<a title=\"Henri Coand\u0103\" href=\"https:\/\/en.wikipedia.org\/wiki\/Henri_Coand%C4%83\">Henri Coand\u0103<\/a>, who was the first to recognize the practical application of the phenomenon in aircraft design around 1910.<sup id=\"cite_ref-firstobserved_3-0\" class=\"reference\"><a href=\"https:\/\/en.wikipedia.org\/wiki\/Coand%C4%83_effect#cite_note-firstobserved-3\">[a]<\/a><\/sup><sup id=\"cite_ref-4\" class=\"reference\"><a href=\"https:\/\/en.wikipedia.org\/wiki\/Coand%C4%83_effect#cite_note-4\">[3]<\/a><\/sup>\u00a0It was first documented explicitly in two patents issued in 1936.<\/p>\n<p>&nbsp;<\/p>\n<p>With reference to<strong><span style=\"color: #ff0000;\"> <a style=\"color: #ff0000;\" href=\"https:\/\/www.nasa.gov\/wp-content\/uploads\/2023\/06\/foam-wing-k-12.pdf\">Principles of Flight: Foam Wing (Grades K-12) (nasa.gov)<\/a><\/span><\/strong><\/p>\n<p style=\"text-align: left;\"><span style=\"color: #ff0000;\"><strong>Lift is explained in part by :<\/strong><\/span><\/p>\n<ol>\n<li style=\"text-align: left;\"><span style=\"color: #ff0000;\"><strong>Bernoulli Principle<\/strong><\/span><\/li>\n<li style=\"text-align: left;\"><span style=\"color: #ff0000;\"><strong>Coanda Effect<\/strong><\/span><\/li>\n<li style=\"text-align: left;\"><span style=\"color: #ff0000;\"><strong>Newton\u2019s Third Law of Motion<\/strong><\/span><\/li>\n<\/ol>\n<p><a href=\"https:\/\/tommykwan.com\/blog\/aviation\/whats-coanda-effect\/attachment\/coanda-effect-nasa\/\" target=\"_blank\" rel=\"noopener\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-8498 size-full\" src=\"https:\/\/tommykwan.com\/blog\/wp-content\/uploads\/2024\/06\/Coanda-effect-NASA.png\" alt=\"\" width=\"936\" height=\"1066\" srcset=\"https:\/\/tommykwan.com\/blog\/wp-content\/uploads\/2024\/06\/Coanda-effect-NASA.png 936w, https:\/\/tommykwan.com\/blog\/wp-content\/uploads\/2024\/06\/Coanda-effect-NASA-263x300.png 263w, https:\/\/tommykwan.com\/blog\/wp-content\/uploads\/2024\/06\/Coanda-effect-NASA-899x1024.png 899w, https:\/\/tommykwan.com\/blog\/wp-content\/uploads\/2024\/06\/Coanda-effect-NASA-768x875.png 768w\" sizes=\"auto, (max-width: 936px) 100vw, 936px\" \/><\/a><\/p>\n<div class=\"embed-container\"><iframe loading=\"lazy\" title=\"Coanda Effect\" width=\"1170\" height=\"658\" src=\"https:\/\/www.youtube.com\/embed\/NvzXKZNJ7ZU?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" referrerpolicy=\"strict-origin-when-cross-origin\" allowfullscreen><\/iframe><\/div>\n<div class=\"embed-container\"><iframe loading=\"lazy\" title=\"The Coanda Effect\" width=\"1170\" height=\"878\" src=\"https:\/\/www.youtube.com\/embed\/AvLwqRCbGKY?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" referrerpolicy=\"strict-origin-when-cross-origin\" allowfullscreen><\/iframe><\/div>\n<div class=\"embed-container\"><iframe loading=\"lazy\" title=\"Lift and Wings - Sixty Symbols\" width=\"1170\" height=\"658\" src=\"https:\/\/www.youtube.com\/embed\/PF22LM8AbII?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" referrerpolicy=\"strict-origin-when-cross-origin\" allowfullscreen><\/iframe><\/div>\n","protected":false},"excerpt":{"rendered":"<p>\u8b80\u5de6Aviation \u5481\u8010, \u5927\u5bb6\u591a\u6578\u53ea\u4fc2\u8b58\u7528 Bernoulli principle \u53bb\u89e3\u91cb&#8230;\u56fa\u7136\u7121\u932f&#8230; \u4f46\u4e0d\u5f97\u4e0d\u8aaa&#8230;\u518d\u5b78\u8853\u5c11\u5c11, \u543e\u597d\u543e\u8b58 Coand\u0103 effect The\u00a0Coand\u0103 effect\u00a0(\/\u02c8kw\u0251\u02d0nd\u0259\/\u00a0or\u00a0\/\u02c8kw\u00e6-\/) is the tendency of a\u00a0fluid jet\u00a0to stay attached to a\u00a0convex surface.[1]\u00a0Merriam-Webster\u00a0describes it as &#8220;the tendency of a jet of fluid emerging from an orifice to follow an adjacent flat or curved surface and to entrain fluid from the surroundings so that a region<a class=\"read-more \" href=\"https:\/\/tommykwan.com\/blog\/aviation\/whats-coanda-effect-how-aircraft-wings-generate-lift\/\" 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":[68,64,78],"tags":[],"class_list":["post-8495","post","type-post","status-publish","format-standard","hentry","category-atpl-knowledge","category-aviation","category-principal-of-flying"],"_links":{"self":[{"href":"https:\/\/tommykwan.com\/blog\/wp-json\/wp\/v2\/posts\/8495","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=8495"}],"version-history":[{"count":6,"href":"https:\/\/tommykwan.com\/blog\/wp-json\/wp\/v2\/posts\/8495\/revisions"}],"predecessor-version":[{"id":8502,"href":"https:\/\/tommykwan.com\/blog\/wp-json\/wp\/v2\/posts\/8495\/revisions\/8502"}],"wp:attachment":[{"href":"https:\/\/tommykwan.com\/blog\/wp-json\/wp\/v2\/media?parent=8495"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/tommykwan.com\/blog\/wp-json\/wp\/v2\/categories?post=8495"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/tommykwan.com\/blog\/wp-json\/wp\/v2\/tags?post=8495"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}