1. Windtunnel design and CFD - Bart Verleije – Industrial Designer -

2. Voxdale Design and Engineering Co-founder of Bike Valley Founded in 2005 Located in Wijnegem, Antwerp, Belgium

3. Services Product development Mechanical design Thermal management Structural analysis Fluid dynamics

4. Analyze – Design – Simulate - Validate -Brains -Methodology -Software -Prototyping -Testing and validating=> Windtunnel

7. DESIGN

8. SURROUNDINGS Bioracer Bike Valley

14. Open return low speed wind tunnel Inlet Flow straigthener Contraction section Test Section Diffuser Fans + Drive section -Maximum wind speed 30m/s (108km/h) -Test section 2.5m x 2.5m x 6.5m -Balance measuring system -3D dynamic bike-fitting system- -Particle Image Velocimetry (PIV)

15. CFD and Windtunnel Digital CFD windtunnel replica CFD : compare and select initial concepts Prepare setups, protocols and variants Full scale testing for validation.

23. VALIDATE CITIUS ALTIUS FORTIUS Thank You! bart@voxdale.be