Framework for a Landing-Gear Model and Acoustic Prediction

numbers. The initial landing-gear-model-and-acoustic-prediction predictions for dressed configurations show an increase in noise in the frequency range representative of the added landing-gear components. The landing-gear model and acoustic prediction is also compared with wind-tunnel measurements for much larger landing-gear geometry,measuredintheVirginiaPolytechnicInstituteandStateUniversityacousticwindtunnel.Predictionsshow the ability of the landing-gear model and acoustic prediction to predict the contribution of each component to the overall values. Although the landing-gear model and acoustic prediction is in an early stage of development, the present agreement between the calculations and measurements suggests the method has promise for future application in the prediction of airframe noise.