Deutsches Zentrum Fur Luft-Und Raumfahrt E.v.

Deutsches Zentrum Fur Luft-Und

Erich Schulein

A flying object which moves with a transonic or supersonic velocity is disclosed. The inventive flying object comprises a main body, a streaming element and a holding element. The holding element holds the streaming element distant from the main body. The streaming element is permeable for the airstream. For one embodiment the streaming element is built with a porous material. The streaming element has an outer surface with the shape of a cone or a truncated cone. The holding element holds the streaming element in an orientation with the cone opening towards the airstream.

Flying object for transonic or supersonic velocities

The invention relates to a flying object being moved with transonic or supersonic velocities. Known flying objects comprise so called 'aerospikes' used for reducing the wave drag and improving the airflow at the front surface of the flying object. The positive effect of these aerospikes is decreased or cancelled in case of the flying object moving in the airflow with an inclination angle between the longitudinal axis of the flying object and the aerospike. The present invention suggests pivoting the aerospike by means of active or passive measures in order to align the aerospike with the upstream airflow during a flight phase of the flying object.

The invention relates to a wing, a wing, a tail unit or grid fins for a flying object moving with supersonic speeds. The wing comprises leading edges and tailing edges. According to the invention, the contour of at least one of the leading contour and the tailing contour has a meandered shape. By means of the inventive meandered contours the wave drag of the flying object may be decreased. The inventive design of the leading or tailing edges of a wing can be used for aircrafts, spacecrafts, missiles, projectiles and the like.

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Scheden, Germany

Erich Schulein