{"id":336,"date":"2014-05-09T13:00:51","date_gmt":"2014-05-09T13:00:51","guid":{"rendered":"http:\/\/fablab.hylas.be\/testsite\/?p=336"},"modified":"2014-05-10T03:09:19","modified_gmt":"2014-05-10T03:09:19","slug":"windtunnel-design-construction-part-1-design-brief","status":"publish","type":"post","link":"http:\/\/aeromodeller2.hylas.be\/?p=336","title":{"rendered":"Windtunnel Design &#038; Construction &#8211; part 1: design brief"},"content":{"rendered":"<p>&nbsp;<\/p>\n<p>In 2013 I designed &amp; built the new low-speed windtunnel for the VUB, Vrije Universiteit Brussels. At the time I got asked to take on this job, I was in the process of building my own low-cost windtunnel in my workshop. I wanted to continue the wind tunnel testing I was doing with Maximillian. As a result of this project, this first tunnel was never finished.<br \/>\nBut there is a 20m\/s, 2-ton, modular wind tunnel at the VUB. \u00a0And I have the keys of the room.<\/p>\n<p>Ofcourse, if I had simply rented someone elses wind tunnel for a couple of weeks, those wind tunnel tests would have been finished a long time age. I&#8217;m stupid that way.<\/p>\n<p>The design brief, by prof. Tim De Troyer, was for a low-speed wind tunnel with these specifications:<\/p>\n<p>-maximum windspeed 15m\/s<br \/>\n-cross-section of test section: 500mm high by 700mm wide<br \/>\n-overall length &lt;10.5 m, constricted by room dimensions<br \/>\n-all components needed to fit through the doorframe (1480mmx2050mm) as the tunnel will need to be moved somewhere in 2016<br \/>\n-to allow for multiple student projects to use the tunnel, it needed interchangeable test sections<\/p>\n<p>A baseline for the design was provided by an existing wind tunnel, designed and built by the von Karman Institute for Fluid Dynamics for EMA, Ecole des Mines in Al\u00e8s, France.<br \/>\n(\u00a0<a href=\"http:\/\/mines-ales.fr\/pages\/lequipement\">http:\/\/mines-ales.fr\/pages\/lequipement<\/a>\u00a0)<br \/>\nThis tunnel is a suction-type tunnel. These can be shorter for a given wind speed than the equivalent blower tunnel.<br \/>\nThe new design was to be a 140% scaled-up version of this tunnel.<\/p>\n<p>The windtunnel was designed and built over a period from may 2013 to december 2013.<\/p>\n<p>Airflow design &amp; overall dimensions: Tim De Troyer<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>&nbsp; In 2013 I designed &amp; built the new low-speed windtunnel for the VUB, Vrije Universiteit Brussels. At the time I got asked to take on this job, I was in the process of building my own low-cost windtunnel in my workshop. I wanted to continue the wind tunnel testing I was doing with Maximillian. [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":77,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[5,10,1],"tags":[],"_links":{"self":[{"href":"http:\/\/aeromodeller2.hylas.be\/index.php?rest_route=\/wp\/v2\/posts\/336"}],"collection":[{"href":"http:\/\/aeromodeller2.hylas.be\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/aeromodeller2.hylas.be\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/aeromodeller2.hylas.be\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/aeromodeller2.hylas.be\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=336"}],"version-history":[{"count":10,"href":"http:\/\/aeromodeller2.hylas.be\/index.php?rest_route=\/wp\/v2\/posts\/336\/revisions"}],"predecessor-version":[{"id":365,"href":"http:\/\/aeromodeller2.hylas.be\/index.php?rest_route=\/wp\/v2\/posts\/336\/revisions\/365"}],"wp:featuredmedia":[{"embeddable":true,"href":"http:\/\/aeromodeller2.hylas.be\/index.php?rest_route=\/wp\/v2\/media\/77"}],"wp:attachment":[{"href":"http:\/\/aeromodeller2.hylas.be\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=336"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/aeromodeller2.hylas.be\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=336"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/aeromodeller2.hylas.be\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=336"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}