1.0CHARRON Yveshttps://yvcharron.comadmin7014https://yvcharron.com/index.php/author/admin7014/rich600338<blockquote class="wp-embedded-content" data-secret="6VSQLX09YA"><a href="https://yvcharron.com/index.php/manufacturing-of-structured-surfaces/">Manufacturing of structured surfaces</a></blockquote><iframe sandbox="allow-scripts" security="restricted" src="https://yvcharron.com/index.php/manufacturing-of-structured-surfaces/embed/#?secret=6VSQLX09YA" width="600" height="338" title="“Manufacturing of structured surfaces” — CHARRON Yves" data-secret="6VSQLX09YA" frameborder="0" marginwidth="0" marginheight="0" scrolling="no" class="wp-embedded-content"></iframe><script> /*! This file is auto-generated */ !function(d,l){"use strict";l.querySelector&&d.addEventListener&&"undefined"!=typeof URL&&(d.wp=d.wp||{},d.wp.receiveEmbedMessage||(d.wp.receiveEmbedMessage=function(e){var t=e.data;if((t||t.secret||t.message||t.value)&&!/[^a-zA-Z0-9]/.test(t.secret)){for(var s,r,n,a=l.querySelectorAll('iframe[data-secret="'+t.secret+'"]'),o=l.querySelectorAll('blockquote[data-secret="'+t.secret+'"]'),c=new RegExp("^https?:$","i"),i=0;i<o.length;i++)o[i].style.display="none";for(i=0;i<a.length;i++)s=a[i],e.source===s.contentWindow&&(s.removeAttribute("style"),"height"===t.message?(1e3<(r=parseInt(t.value,10))?r=1e3:~~r<200&&(r=200),s.height=r):"link"===t.message&&(r=new URL(s.getAttribute("src")),n=new URL(t.value),c.test(n.protocol))&&n.host===r.host&&l.activeElement===s&&(d.top.location.href=t.value))}},d.addEventListener("message",d.wp.receiveEmbedMessage,!1),l.addEventListener("DOMContentLoaded",function(){for(var e,t,s=l.querySelectorAll("iframe.wp-embedded-content"),r=0;r<s.length;r++)(t=(e=s[r]).getAttribute("data-secret"))||(t=Math.random().toString(36).substring(2,12),e.src+="#?secret="+t,e.setAttribute("data-secret",t)),e.contentWindow.postMessage({message:"ready",secret:t},"*")},!1)))}(window,document); //# sourceURL=https://yvcharron.com/wp-includes/js/wp-embed.min.js </script> A structured surface provides a large flow drag reduction, from 10 to 20% depending on structure characteristics (2D or 3D). An inflatable bladder is used to permit the manufacturing of the structures. Firstly applied on fresh coating the bladder is then depressurised following coating curing.