{"id":13265,"date":"2005-08-18T00:43:00","date_gmt":"2005-08-18T00:43:00","guid":{"rendered":"http:\/\/www.driko.org\/blog\/2005\/08\/18\/prandtl-glauert-clouds\/"},"modified":"2005-08-18T00:43:00","modified_gmt":"2005-08-18T00:43:00","slug":"prandtl-glauert-clouds","status":"publish","type":"post","link":"http:\/\/www.driko.org\/blog\/2005\/08\/18\/prandtl-glauert-clouds\/","title":{"rendered":"Prandtl-Glauert Clouds"},"content":{"rendered":"<p><a href=\"http:\/\/www.defenselink.mil\/specials\/images\/sightofsound.jpg\" title=\"hi-res version\" target=\"_blank\"><img decoding=\"async\" src=\"http:\/\/www.driko.org\/blogicons\/f-18_transonic.jpg\" \/><\/a><br \/>If you can ignore the out-of-place religious references, <a href=\"http:\/\/chamorrobible.org\/gpw\/gpw-20040817.htm\" target=\"_blank\">this page<\/a> has some awesome pictures and videos of <a href=\"http:\/\/fluidmech.net\/tutorials\/sonic\/prandtl-glauert-clouds.htm\" target=\"_blank\">Prandtl-Glauert Condensation Clouds<\/a> (nice <a href=\"http:\/\/www.galleryoffluidmechanics.com\/conden\/pg_sing.htm\" target=\"_blank\">associated gallery here<\/a>), wall-like clouds of condensation formed when aircraft are flying at <a href=\"http:\/\/en.wikipedia.org\/wiki\/Transonic\" target=\"_blank\">transonic<\/a> speeds.  Jeff Wilkinson has <a href=\"http:\/\/www.wilk4.com\/misc\/soundbreak.htm\" target=\"_blank\">assembled a good amount of information and links<\/a> on the subject too, and there are <a href=\"http:\/\/chamorrobible.org\/gpw\/gpw-20040818.htm\" target=\"_blank\">other<\/a> <a href=\"http:\/\/chamorrobible.org\/gpw\/gpw-20041216.htm\" target=\"_blank\">gallery<\/a> <a href=\"http:\/\/chamorrobible.org\/gpw\/gpw-20041217.htm\" target=\"_blank\">sites<\/a> as well.  I think this example of the <a href=\"http:\/\/www-pao.ksc.nasa.gov\/kscpao\/images\/medium\/00pp1416-m.jpg\" target=\"_blank\">Space Shuttle <i>Atlantis<\/i><\/a> <a href=\"http:\/\/mediaarchive.ksc.nasa.gov\/detail.cfm?mediaid=4720\" target=\"_blank\">in the transonic regime<\/a> is one of the coolest images, even if it isn&rsquo;t one of the more classic cloud shapes.<\/p>\n<div class=\"byline\">via <a href=\"http:\/\/linkfilter.net\/?id=90041\" target=\"_blank\">linkfilter.net<\/a> <a href=\"http:\/\/linkfilter.net\/?id=91010\" target=\"_blank\">[2]<\/a><\/div>\n<p><\/p>\n<div class=\"byline\">tags: <a href=\"http:\/\/del.icio.us\/driko\/aviation\" rel=\"tag\" target=\"_blank\">aviation<\/a> <a href=\"http:\/\/del.icio.us\/driko\/science\" rel=\"tag\" target=\"_blank\">science<\/a> <a href=\"http:\/\/del.icio.us\/driko\/images\" rel=\"tag\" target=\"_blank\">images<\/a> <a href=\"http:\/\/del.icio.us\/driko\/photography\" rel=\"tag\" target=\"_blank\">photography<\/a> <a href=\"http:\/\/del.icio.us\/driko\/video\" rel=\"tag\" target=\"_blank\">video<\/a> <a href=\"http:\/\/del.icio.us\/driko\/nasa\" rel=\"tag\" target=\"_blank\">nasa<\/a> <\/div>\n<div class=\"blogger-post-footer\"><img loading=\"lazy\" decoding=\"async\" width=\"1\" height=\"1\" src=\"https:\/\/blogger.googleusercontent.com\/tracker\/3501955-112320887450321799?l=www.driko.org\" alt=\"\" \/><\/div>\n","protected":false},"excerpt":{"rendered":"<p>If you can ignore the out-of-place religious references, this page has some awesome pictures and videos of Prandtl-Glauert Condensation Clouds (nice associated gallery here), wall-like clouds of condensation formed when aircraft are flying at transonic speeds. Jeff Wilkinson has assembled a good amount of information and links on the subject too, and there are other &hellip; <\/p>\n<p class=\"link-more\"><a href=\"http:\/\/www.driko.org\/blog\/2005\/08\/18\/prandtl-glauert-clouds\/\" class=\"more-link\">Continue reading<span class=\"screen-reader-text\"> &#8220;Prandtl-Glauert Clouds&#8221;<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[118],"class_list":["post-13265","post","type-post","status-publish","format-standard","hentry","category-uncategorized","tag-imported"],"_links":{"self":[{"href":"http:\/\/www.driko.org\/blog\/wp-json\/wp\/v2\/posts\/13265","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/www.driko.org\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/www.driko.org\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/www.driko.org\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/www.driko.org\/blog\/wp-json\/wp\/v2\/comments?post=13265"}],"version-history":[{"count":0,"href":"http:\/\/www.driko.org\/blog\/wp-json\/wp\/v2\/posts\/13265\/revisions"}],"wp:attachment":[{"href":"http:\/\/www.driko.org\/blog\/wp-json\/wp\/v2\/media?parent=13265"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/www.driko.org\/blog\/wp-json\/wp\/v2\/categories?post=13265"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/www.driko.org\/blog\/wp-json\/wp\/v2\/tags?post=13265"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}