Aerodynamics on the test rigAir flow at the touch of a button. In the wind tunnels of TU Graz, aerodynamic tests are carried out on top athletes, automobiles and even building models. Austrian handcyclists Thomas Frühwirth and Walter Ablinger won silver medals at the 2016 Paralympics in Rio de Janeiro. Earlier, they were guests of the Institute of Fluid Mechanics and Heat Transfer at TU Graz for aerodynamic tests of their bikes and themselves.