This thesis analyses the consequences of non-axial inflow on the operation of propellers as being part of the typical flight envelope of small aircraft. Isolated, ducted, and coaxial propellers as well as a propeller-wing-configuration are analyzed revealing their unique behavior for non-axial inflow conditions, which may lead to a pinpoint propulsion system design and an improved aerodynamic efficiency of future aircraft. The work is based on wind tunnel campaigns featuring forces and surface pressure measurements and PIV as well as URANS-simulations to study the flow field topology in vicinity of the propellers.
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This thesis analyses the consequences of non-axial inflow on the operation of propellers as being part of the typical flight envelope of small aircraft. Isolated, ducted, and coaxial propellers as well as a propeller-wing-configuration are analyzed revealing their unique behavior for non-axial inflow conditions, which may lead to a pinpoint propulsion system design and an improved aerodynamic efficiency of future aircraft. The work is based on wind tunnel campaigns featuring forces and surface p...
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