Closed-circuit wind tunnel LST

aeronauticalmodel support

THE LOW-SPEED WIND TUNNEL (LST) IN MARKNESSE IS AN INDUSTRIAL WIND TUNNEL FOR THE LOW-SPEED DOMAIN Type of wind tunnel Continuous, atmospheric, low-speed wind tunnel with exchangeable test sections Main Features TEST SECTION 3.0 m x 2.25 m with turntables in top and bottom wall for 2D testing 3.0 m x 2.25 m with overhead balance for 3D testing Six-component overhead balance with wire suspension on strut for 3D models Sting support for models with internal balances Floor support for (half) models AUXILIARY SYSTEMS Compressed air supply with a capacity of 5 kg/s continuously at 80 bar Remotely controlled y-z traversing system Vacuum system Ground board for simulation of ground effects Tangential blowing for test section boundary layer re-energizing Microphone wall array Typical tests Two- and three-dimensional model testing Ground effect simulation Dynamic measurements like vibrations or unsteady pressures Turbofan propulsion simulators (TPS) and turbine air motors for propellers Engine simulation Propeller testing Acoustic measurements Environmental tests mainly on models of ships, trucks and building structures Air exhaust simulation with compressed air Air intake surveys