{"id":7480,"date":"2024-02-25T22:58:36","date_gmt":"2024-02-25T14:58:36","guid":{"rendered":"https:\/\/tommykwan.com\/blog\/?p=7480"},"modified":"2024-02-25T23:23:49","modified_gmt":"2024-02-25T15:23:49","slug":"ground-effect-%e6%9c%89%e5%92%a9%e5%bd%b1%e9%9f%bf-significance-of-ground-effect","status":"publish","type":"post","link":"https:\/\/tommykwan.com\/blog\/aviation\/ground-effect-%e6%9c%89%e5%92%a9%e5%bd%b1%e9%9f%bf-significance-of-ground-effect\/","title":{"rendered":"Ground effect \u6709\u54a9\u5f71\u97ff?  Significance of ground effect?"},"content":{"rendered":"<p>Ref Ch5<\/p>\n<p><strong>Ans:\u00a0<\/strong><\/p>\n<ol>\n<li><strong>Upwash\u2193 , downwash \u2193\u00a0 &#8211;&gt; Wingtip vortices \u2193\u00a0 &#8211;&gt; induced drag \u2193\u00a0 &#8211;&gt; AOA need to be reduced for same CL\u00a0<\/strong><\/li>\n<li><strong>Local pressure on static source [position (installation) error] &#8211;&gt; airborne IAS reduce \u5047\u8c61\u00a0\u00a0<\/strong><\/li>\n<\/ol>\n<div class=\"embed-container\">\n<blockquote class=\"wp-embedded-content\" data-secret=\"myDug7Wu3r\"><p><a href=\"https:\/\/tommykwan.com\/blog\/aviation\/induced-drag-%e6%88%90%e5%9b%a0\/\">Induced Drag \u6210\u56e0?<\/a><\/p><\/blockquote>\n<p><iframe loading=\"lazy\" class=\"wp-embedded-content\" sandbox=\"allow-scripts\" security=\"restricted\" style=\"position: absolute; clip: rect(1px, 1px, 1px, 1px);\" title=\"&#8220;Induced Drag \u6210\u56e0?&#8221; &#8212; Tommy&#039;s Diaries\" src=\"https:\/\/tommykwan.com\/blog\/aviation\/induced-drag-%e6%88%90%e5%9b%a0\/embed\/#?secret=xMMm9U3AJE#?secret=myDug7Wu3r\" data-secret=\"myDug7Wu3r\" width=\"600\" height=\"338\" frameborder=\"0\" marginwidth=\"0\" marginheight=\"0\" scrolling=\"no\"><\/iframe><\/div>\n<div class=\"embed-container\">\n<blockquote class=\"wp-embedded-content\" data-secret=\"pn0BqFB9br\"><p><a href=\"https:\/\/tommykwan.com\/blog\/aviation\/whats-ground-effect\/\">What&#8217;s ground effect?<\/a><\/p><\/blockquote>\n<p><iframe loading=\"lazy\" class=\"wp-embedded-content\" sandbox=\"allow-scripts\" security=\"restricted\" style=\"position: absolute; clip: rect(1px, 1px, 1px, 1px);\" title=\"&#8220;What&#8217;s ground effect?&#8221; &#8212; Tommy&#039;s Diaries\" src=\"https:\/\/tommykwan.com\/blog\/aviation\/whats-ground-effect\/embed\/#?secret=JzbtZoyOrR#?secret=pn0BqFB9br\" data-secret=\"pn0BqFB9br\" width=\"600\" height=\"338\" frameborder=\"0\" marginwidth=\"0\" marginheight=\"0\" scrolling=\"no\"><\/iframe><\/div>\n","protected":false},"excerpt":{"rendered":"<p>Ref Ch5 Ans:\u00a0 Upwash\u2193 , downwash \u2193\u00a0 &#8211;&gt; Wingtip vortices \u2193\u00a0 &#8211;&gt; induced drag \u2193\u00a0 &#8211;&gt; AOA need to be reduced for same CL\u00a0 Local pressure on static source [position (installation) error] &#8211;&gt; airborne IAS reduce \u5047\u8c61\u00a0\u00a0 Induced Drag \u6210\u56e0? What&#8217;s ground effect?<a class=\"read-more \" href=\"https:\/\/tommykwan.com\/blog\/aviation\/ground-effect-%e6%9c%89%e5%92%a9%e5%bd%b1%e9%9f%bf-significance-of-ground-effect\/\" 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":[64,65],"tags":[],"class_list":["post-7480","post","type-post","status-publish","format-standard","hentry","category-aviation","category-bak"],"_links":{"self":[{"href":"https:\/\/tommykwan.com\/blog\/wp-json\/wp\/v2\/posts\/7480","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=7480"}],"version-history":[{"count":8,"href":"https:\/\/tommykwan.com\/blog\/wp-json\/wp\/v2\/posts\/7480\/revisions"}],"predecessor-version":[{"id":7498,"href":"https:\/\/tommykwan.com\/blog\/wp-json\/wp\/v2\/posts\/7480\/revisions\/7498"}],"wp:attachment":[{"href":"https:\/\/tommykwan.com\/blog\/wp-json\/wp\/v2\/media?parent=7480"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/tommykwan.com\/blog\/wp-json\/wp\/v2\/categories?post=7480"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/tommykwan.com\/blog\/wp-json\/wp\/v2\/tags?post=7480"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}