Influence of Non-Uniform Inflow Conditions on Propeller Performance in Tractor Configuration

An experimental and numerical study

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Because of the low fuel consumption, turboprop aircraft have made a strong revival during recent years and have come to dominate the current regional flight market. Increased interest in propeller research is a result of this trend. This thesis project focuses on the effect of non-uniform inflow on the propeller performance. Two sources of non-uniform inflow are considered. First the propeller under nonzero angle of attack is investigated, followed by the propeller in vicinity of a wing in tractor configuration. The goal of this research is to gain a more thorough understanding of the relation between the propeller-wing relative position and the propeller performance. This is done by means of both experimental and numerical research.