Abstract
The purpose of present study is to develop a pressure based compressible flow solver with actuator models to estimate the performance of coaxial rotor. In order to aim this purpose, actuator models which used developed for the single rotor performance was modified to analyze the coaxial rotor performance by isolating and correcting the effect of each rotor blade. In addition, the suggested Actuator models were combined with a pressure based compressible solver which was developed previous research. The hovering rotor analysis results calculated by the developed solver were compared with Full-CFD results with a body fitted mesh. The proposed actuator methods can predict the thrust and power of a coaxial rotor as accurately as a full-CFD method. Moreover, the suggested actuator surface model well predicts the interaction effects between near blades than previous manner.
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