On the prediction of aerodynamic loads on oscillating wings in transonic flows

Possibilities to develop calculation methods for oscillating wings in transonic flow are discussed. Special attention is given to the question of linearisation. Recent NLR results of pressure measurements on an aerofoil with flap in transonic flow are analysed. Correlations are made between steady, quasi-steady and unsteady results. Shock motion...

Unsteady aerodynamics for wings with control surfaces

A kernel function method for calculating pressure distributions over wings with harmonically oscillating control surfaces in subsonic flow is briefly discussed. Comparisons of calculated and measured pressure distributions are given for different planforns, Mach numbers and reduced frequencies. An analysis is presented of pressure distributions...

High subsonic and transonic effects on pressure distributions measured for a swept wing with oscillating control surface

An analysis is given of pressure distributions measured on a swept wing model with harmonically oscillating control surface at subsonic to supersonic Mach numbers and at various frequencies. The influence of Mach number and finite span effects is discussed. Some comparisons are made with pressure distributions on a two-dimensional wing and with...