DLR Portal - Eighty-year old film from the pioneering era of fluid mechanics evaluated using modern measurement techniques

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Eighty-year old film from the pioneering era of fluid mechanics evaluated using modern measurement techniques

What happens when a cylinder is placed in flowing water? What vortices form behind a knife-edge or on an aerofoil? Footage captured by the Göttingen aeronautics pioneer Ludwig Prandtl 80 years ago, when fluid mechanics research was still in its infancy, provides the answers to these questions. The quality of these early films was so good that DLR researchers were able to evaluate them using modern measurement techniques, leading to worldwide acclaim and the award of an international prize.

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