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- W2420878381 abstract "ABSTRACT Analysis of the performance of a 1/4.71 model-scale and full-scale Sikorsky S-76 main rotor in hover is presented using the multi-block computational fluid dynamics (CFD) solver of Glasgow University. For the model-scale blade, three different tip shapes were compared for a range of collective pitch and tip Mach numbers. It was found that the anhedral tip provided the highest Figure of Merit. Rigid and elastic full-scale S-76 rotor blades were investigated using a loosely coupled CFD/Computational Structural Dynamics (CSD) method. Results showed that aeroelastic effects were more significant for high thrust cases. Finally, an acoustic study was performed in the tip-path-plane of both rotors, showing good agreement in the thickness and loading noise with the theory. For the anhedral tip of the model-scale blade, a reduction of 5% of the noise level was predicted. The overall good agreement with the theory and experimental data demonstrated the capability of the present CFD method to predict rotor flows accurately." @default.
- W2420878381 created "2016-06-24" @default.
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- W2420878381 date "2016-06-13" @default.
- W2420878381 modified "2023-09-23" @default.
- W2420878381 title "CFD analysis of hover performance of rotors at full- and model-scale conditions" @default.
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- W2420878381 doi "https://doi.org/10.1017/aer.2016.58" @default.
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