Experimentelle und Theoretische Untersuchungen ueber die Instationaeren Flugmechanischen Derivativa der Laengsbewegung an Schlanken Flugkoerpern bei Maessiger Geschwindigkeit (Experimental and Theoretical Investigations of the Non-steady Flight-mechanical Derivatives of the Longitudinal Motion of Slender Aircraft Models Measured at Moderate Velocities),
DEUTSCHE FORSCHUNGS- UND VERSUCHSANSTALT FUER LUFT- UND RAUMFAHRT E V GOETTINGEN (WEST GERMANY)
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A test set-up for the measurement of oscillatory longitudinal derivatives on sting mounted slender aircraft models has been developed and tested in the low-speed wind tunnel of the DFVLR at Braunschweig. The design of the balance is similar to the forced oscillation technique of test rig at RAE Bedford. Measurements of the pitch and heave derivatives of trapezoidal wings with aspect ratio one and various taper ratios at various angles of attack have shown the reliability of the facility.
- Test Facilities, Equipment and Methods