Improvements on computations of high speed propeller unsteady aerodynamics |
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| Institution: | 1. CNR-INSEAN, via di Vallerano 139, 00128 Roma, Italy;2. CNR-IAC, via dei Taurini 19, 00185 Roma, Italy;1. School of Aeronautics, Northwestern Polytechnical University, Xi''an, PR China;2. Computational Aerodynamics Institute, China Aerodynamics Research and Development Center Mianyang, Sichuan, PR China;1. Institute of Refrigeration & Cryogenics Engineering, Dalian Maritime University, 116026, Dalian, China;2. Fluids & Thermal Engineering Research Group, Faculty of Engineering, University of Nottingham, University Park, Nottingham NG7 2RD, UK |
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| Abstract: | This paper presents the application of the CANARI flow solver to the computation of unsteady effects in the aerodynamic interaction of a high speed propeller with the aircraft. The method is first validated on the APIAN isolated propeller test case by comparison with experiment at M=0.7. The method is then applied to the time accurate 3D Euler computation of a generic transport aircraft at M=0.68. Analysis of the results shows significant unsteady effects both on the propeller forces and on the wing aerodynamic flows, by comparison with steady computations. |
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