Moving Ground Systems - F1 Wind Tunnel Explained 5/8 - Sauber F1 Team

Sauber F1 Team Head of Aerodynamics, Willem Toet, about the science of F1 wind tunnel design and testing! Part 5 explains moving ground systems (the rolling road) and how they developed from using synthetic rubber bands to today's steel belts. And Willem takes a look at how air bearings underneath the belt and vaccum pumps are used to avoid friction and, thus, overheating of the belt.

PART 1 - Basics of Wind Tunnel Design
► Watch here: http://youtu.be/RBVgwpYUp18
► basic principles, history
► open-circuit vs closed-circuit wind tunnels
► energy efficiency
► fan, foundation, seismic mass, vibrations
► air rotation and turbulence

PART 2 - Heat, Cooling & Airflow Optimisation
► Watch here: http://youtu.be/AsvejoiDOoA
► heat, cooling & radiators
► airflow optimisation

PART 3 - Test or Working Section
► Watch here: http://youtu.be/FQ0PlA5nG_o
► test section, settling chamber
► closed-jet, slotted-wall, 3/4 open-jet
► contoured-wall, adaptive-wall
► aerospace vs motorsport wind tunnel technology
► boundary layer reduction in motorsports

PART 4 - Model Motion System & Tyres
► Watch here: http://youtu.be/0WZt7GjmLzg
► airospace vs motorsport model mounting systems
► model motion: yaw, pitch, roll
► wheels-on vs wheels-off, wheel steer
► wind tunnel model tyres vs. race tyres

PART 5 - Moving Ground Technologies
► Watch here: http://youtu.be/szYlGeEx-OE
► rolling road
► development: synthetic rubber vs steel belts
► development: suction control
► friction, cooling
► air bearings & vacuum pumps

PART 6 - Measurement Tools
► Watch here: http://youtu.be/yMmFSnfgimE
► load cells (6-/5-component)
► wheel load cells
► tyre patch load cells
► downforce, side-force, drag-force
► pressure sensors, motors, capillary tubes

PART 7 - The Myth of Smoke in the Tunnel
► Watch here: http://youtu.be/46sC9qHdjek
► smoke wands, rakes, airflow visualisation

PART 8 - Model Size & Regulations
► Watch here: http://youtu.be/FQxmOQmnaGw
► 50% vs 60% vs 100% model testing
► translation of model sizes and speeds
► FIA regulations and testing limitations
► wind-on restrictions

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Music "Crimson Tide (Original Mix)" courtesy of Ritesh Tripathy and Sonic Orbit: http://soundcloud.com/sonicorbit - it's good to have great and creative fans! Thanks, Ritesh.

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