The main activities of the German Aerospace Center (DLR) sites Göttingen and Braunschweig are aviation and traffic engineering. DLR Göttingen employs more than 400 experts in the foundation- and application-oriented field of aviation research.
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Aircraft engine noise is a socially pressing issue with a wide range of causes. Until now, turbulent fluctuations in the exhaust gas stream have not been fully understood as one of the major sources of noise. Researchers at the German Aerospace Center (Deutsches Zentrum für Luft- und Raumfahrt; DLR) have now managed to make these turbulent flow structures in the engine exhaust gases visible using imaging laser measurement technology, and they have measured the overall flow behind the engine with unprecedented quality. Future generations of engines will be able to benefit from this new knowledge.
Seventy-five years ago, flow researchers at the Aerodynamic Research Institute (Aerodynamischen Versuchsanstalt; AVA) in Göttingen unveiled a car that, for many years, was considered the quintessential execution of aerodynamic design in vehicle construction; its name was the Schlörwagen. A large number of myths have arisen about what became of the vehicle. Now the archives at the German Aerospace Center (DLR) – the successor to AVA – have helped shed light on some of the mysteries.
Scientists at DLR Göttingen have achieved a world first – showing the deformation of an aircraft propeller blade during flight. They have developed a special camera that can resist the enormous forces exerted during rotation.
To fly once around the world, across continents and oceans – powered by the Sun; this is the unprecedented goal of the Solar Impulse project. The flying venture is expected to take place in 2015, using an extremely lightweight aircraft covered with solar cells and powered by four electrically driven propellers.