JavaProp is a relatively simple program, which is based on the blade element theory. The blade is divided into small sections, which are handled independently from each other. Each segment has a chord and a blade angle and associated airfoil characteristics. The theory makes no provision for three dimensional effects, like sweep angle or cross flow. But it is able to find the additional axial and circumferential velocity added to the incoming flow by each blade segment. This additional velocity results in an acceleration of the flow and thus thrust. Usually this simplified model works very well, when the power and thrust loading of the propeller (power per disk area) is relatively small, as it is the case for most aircraft propellers.
References in zbMATH (referenced in 1 article )
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- Aksugur, Mirac; Inalhan, Gokhan: Design methodology of a hybrid propulsion driven electric powered miniature tailsitter unmanned aerial vehicle (2010)