24th Congress of International Council of the Aeronautical Sciences, 29 August-3, September 2004, Yokohama, Japan
Paper ICAS 2004-4.9.3

MINIMUM UNSTICK SPEED CALCULATION FOR HIGH-SPEED JET TRANSPORT AIRCRAFT

R. Slingerland
Faculty of Aerospace Engineering, DUT, Delft, The Netherlands

Keywords: ground effect, dynamic simulations

The minimum unstick speed is a valuable parameter during the preliminary design. The aerodynamic ground effect has been addressed with lifting line theory and is used in a dynamic simulation of the Vmu maneuver. Validation shows an improvement of the aerodynamic coe±cients over existing handbook methods and an accuracy of +/-2% for Vmu.

view full paper