Description:

An “Eiffel” type open wind tunnel used to demonstrate and measure the aerodynamic properties of various models. For this purpose, air is drawn in from the environment and accelerated. The air flows around a model, such as an aerofoil, in a measuring section. The air is then decelerated in a diffuser and pumped back into the open by a fan.
The carefully designed nozzle contour and a flow straightener ensure a uniform velocity distribution with little turbulence in the closed measuring section. The flow cross-section of the measuring section is square.

The built-in axial fan with outlet guide vane system and a variable-speed drive is characterized by an energy-efficient operation at high efficiency. Air velocities of up to 24 m/s can be reached in this open wind tunnel. The air velocity in the measuring section is displayed on the inclined tube manometer. For Wake Measurement the experimental unit contains a wake rake consisting of 12 Pitot tubes. Each Pitot tube is fitted with a hose connection. The wake rake can be mounted at two different distances from the cylinder. .