{"id":363,"date":"2023-12-04T09:00:00","date_gmt":"2023-12-04T08:00:00","guid":{"rendered":"https:\/\/arnaud.collignan.net\/blog\/?p=363"},"modified":"2023-12-03T22:52:56","modified_gmt":"2023-12-03T21:52:56","slug":"effet-de-structure-sur-lecoulement-dun-fluide","status":"publish","type":"post","link":"https:\/\/arnaud.collignan.net\/blog\/2023\/12\/04\/effet-de-structure-sur-lecoulement-dun-fluide\/","title":{"rendered":"Effet de structure sur l&#8217;\u00e9coulement d&#8217;un fluide"},"content":{"rendered":"\n<p>La vid\u00e9o ci-dessous pr\u00e9sente une maquette permettant de visualiser l&#8217;\u00e9coulement d&#8217;un fleuve, puis y introduit diff\u00e9rents types d&#8217;installations. Cela permet de visualiser simplement leurs effets sur le comportement du fluide :<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Barrage \u00e0 plan inclin\u00e9 <\/strong>: il augmente la profondeur amont et diminue celle en aval (augmentant la vitesse du cours d&#8217;eau). En cas de blocage de l&#8217;\u00e9coulement en aval, il peut g\u00e9n\u00e9rer de dangereuses turbulences.<\/li>\n\n\n\n<li><strong>Pile de pont<\/strong> : Effet similaire mais moindre que le pr\u00e9c\u00e9dent, il creuse \u00e9galement le fond du cours d&#8217;eau \u00e0 sa base.<\/li>\n\n\n\n<li><strong>Ponceau<\/strong> : ce tunnel, comme les pr\u00e9c\u00e9dentes installations, diminue la profondeur et augmente la v\u00e9locit\u00e9 du fluide.<\/li>\n\n\n\n<li><strong>Ponceau \u00e0 ailes<\/strong> : en pr\u00e9c\u00e9dent le tunnel d&#8217;une installation en forme d&#8217;entonnoir, le fluide s&#8217;\u00e9coule plus librement.<\/li>\n\n\n\n<li><strong>Ponceau \u00e0 \u00e9crans <\/strong>: les \u00e9crans (grilles) peuvent avoir diff\u00e9rentes formes (verticaux, inclin\u00e9s, \u00e0 \u00e9tages) avec des effets plus ou moins marqu\u00e9 sur l&#8217;\u00e9coulement, mais \u00e9galement une gestion diff\u00e9rente des d\u00e9bris que peut contenir le fluide.<\/li>\n<\/ul>\n\n\n\n<figure class=\"wp-block-embed is-type-video is-provider-youtube wp-block-embed-youtube wp-embed-aspect-16-9 wp-has-aspect-ratio\"><div class=\"wp-block-embed__wrapper\">\n<iframe loading=\"lazy\" title=\"JBA Trust hydraulic flume showing how engineered structures affect flow in rivers (full video)\" width=\"500\" height=\"281\" src=\"https:\/\/www.youtube.com\/embed\/m_ZLyzByj98?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>\n<\/div><\/figure>\n","protected":false},"excerpt":{"rendered":"<p>La vid\u00e9o ci-dessous pr\u00e9sente une maquette permettant de visualiser l&#8217;\u00e9coulement d&#8217;un fleuve, puis y introduit diff\u00e9rents types d&#8217;installations. Cela permet de visualiser simplement leurs effets&#8230;<\/p>\n<div class=\"more-link-wrapper\"><a class=\"more-link\" href=\"https:\/\/arnaud.collignan.net\/blog\/2023\/12\/04\/effet-de-structure-sur-lecoulement-dun-fluide\/\">Lire la suite&#8230;<span class=\"screen-reader-text\">Effet de structure sur l&#8217;\u00e9coulement d&#8217;un fluide<\/span><\/a><\/div>\n","protected":false},"author":1,"featured_media":471,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[3],"tags":[90,87,89,9,88],"class_list":["post-363","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-physique","tag-experimentation","tag-fluides","tag-maquette","tag-mecanique","tag-prototype","entry"],"acf":{"auteur_de_limage":"Jimmy Liao","url_de_lauteur_de_limage":"https:\/\/www.pexels.com\/fr-fr\/photo\/homme-eau-construction-pont-19212145\/","source":"Maxime Blondeau","url_de_la_source":"https:\/\/www.linkedin.com\/in\/maxime-blondeau-%F0%9F%8C%B1-%E2%99%BE-a71b6521","bibliographie":"","url_de_la_bibliographie":""},"_links":{"self":[{"href":"https:\/\/arnaud.collignan.net\/blog\/wp-json\/wp\/v2\/posts\/363","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/arnaud.collignan.net\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/arnaud.collignan.net\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/arnaud.collignan.net\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/arnaud.collignan.net\/blog\/wp-json\/wp\/v2\/comments?post=363"}],"version-history":[{"count":5,"href":"https:\/\/arnaud.collignan.net\/blog\/wp-json\/wp\/v2\/posts\/363\/revisions"}],"predecessor-version":[{"id":476,"href":"https:\/\/arnaud.collignan.net\/blog\/wp-json\/wp\/v2\/posts\/363\/revisions\/476"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/arnaud.collignan.net\/blog\/wp-json\/wp\/v2\/media\/471"}],"wp:attachment":[{"href":"https:\/\/arnaud.collignan.net\/blog\/wp-json\/wp\/v2\/media?parent=363"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/arnaud.collignan.net\/blog\/wp-json\/wp\/v2\/categories?post=363"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/arnaud.collignan.net\/blog\/wp-json\/wp\/v2\/tags?post=363"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}