Abstract

*† ‡ A methodology for improving the quality of high lift system performance prediction within a multidisciplinary preliminary design process is presented. The high lift system geometry is explicitly modeled and a multiple lifting line method is used to compute its aerodynamic characteristics. Computation times are suitable for use in a preliminary design process, and the results for several test cases show good agreement with wind tunnel and/or high fidelity numerical data. In addition, the method allows for further enhancement by using non-linear airfoil polars for interpolation, improving drag prediction and introducing some degree of non-linear aerodynamic behavior.

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