风洞
At its two sites NLR owns several sophisticated aerospace research facilities, including different wind tunnels, such as the Low Speed Wind tunnel, the Transonic and the Supersonic Wind Tunnel. Exploitation of these wind tunnels and the wind tunnels of DLR have been entrusted to the foundation German-Dutch wind tunnels (DNW), which also includes a large facility in the Noordoostpolder in which Germany and the Netherlands have a share of 50%.