{"id":524,"date":"2003-11-23T05:12:21","date_gmt":"2003-11-23T09:12:21","guid":{"rendered":"http:\/\/blogs.law.harvard.edu\/metasj\/2003\/11\/23\/awesome-flawed-overview-of-strouhal-nu"},"modified":"2003-11-23T05:12:21","modified_gmt":"2003-11-23T09:12:21","slug":"awesome-flawed-overview-of-strouhal-number","status":"publish","type":"post","link":"https:\/\/archive.blogs.harvard.edu\/sj\/2003\/11\/23\/awesome-flawed-overview-of-strouhal-number\/","title":{"rendered":"Awesome, flawed overview of Strouhal Number"},"content":{"rendered":"<p><a name='a316'><\/a><\/p>\n<p><P>Lovely images (though not terribly informative), good review.<\/P><br \/>\n<P>I&#8217;m not sure how serious a <STRONG>flaw<\/STRONG> it is to use the Strouhal number to characterize <STRONG>effiiciency<\/STRONG>, but at&nbsp;first glance it seems the wrong&nbsp;quantity.&nbsp;&nbsp;A good measure of efficiency should involve the volume of liquid moved, or better yet the work done in a typical stroke (integrating the momentum imparted to the liquid over the stroke duration), not just the amplitude and frequency of strokes used.&nbsp; No&nbsp;surprise that&nbsp;the Str. number range is different for <STRONG>large birds&nbsp;<\/STRONG>than for small ones.<\/P><\/p>\n<p><a href='http:\/\/www.style.org\/strouhalflight\/'>Awesome, flawed overview of Strouhal Number &#8230;<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Lovely images (though not terribly informative), good review. I&#8217;m not sure how serious a flaw it is to use the Strouhal number to characterize effiiciency, but at&nbsp;first glance it seems the wrong&nbsp;quantity.&nbsp;&nbsp;A good measure of efficiency should involve the volume of liquid moved, or better yet the work done in a typical stroke (integrating the [&hellip;]<\/p>\n","protected":false},"author":135,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_publicize_message":"","jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":false,"jetpack_social_options":{"image_generator_settings":{"template":"highway","default_image_id":0,"font":"","enabled":false},"version":2},"jetpack_post_was_ever_published":false},"categories":[213],"tags":[],"class_list":["post-524","post","type-post","status-publish","format-standard","hentry","category-metrics"],"jetpack_publicize_connections":[],"jetpack_featured_media_url":"","jetpack_sharing_enabled":true,"jetpack_shortlink":"https:\/\/wp.me\/p7iVvB-8s","jetpack-related-posts":[],"_links":{"self":[{"href":"https:\/\/archive.blogs.harvard.edu\/sj\/wp-json\/wp\/v2\/posts\/524","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/archive.blogs.harvard.edu\/sj\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/archive.blogs.harvard.edu\/sj\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/archive.blogs.harvard.edu\/sj\/wp-json\/wp\/v2\/users\/135"}],"replies":[{"embeddable":true,"href":"https:\/\/archive.blogs.harvard.edu\/sj\/wp-json\/wp\/v2\/comments?post=524"}],"version-history":[{"count":0,"href":"https:\/\/archive.blogs.harvard.edu\/sj\/wp-json\/wp\/v2\/posts\/524\/revisions"}],"wp:attachment":[{"href":"https:\/\/archive.blogs.harvard.edu\/sj\/wp-json\/wp\/v2\/media?parent=524"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/archive.blogs.harvard.edu\/sj\/wp-json\/wp\/v2\/categories?post=524"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/archive.blogs.harvard.edu\/sj\/wp-json\/wp\/v2\/tags?post=524"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}