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Numerical simulation of unsteady blade row interactions induced by passing wakes |
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| Institution: | 1. State Key Lab of Alternate Electrical Power System with Renewable Energy Sources, North China Electric Power University, Beijing 102206, China;2. School of Electrical Engineering, Shandong University, Jinan 250061, China;3. Department of Electrical engineering and Electronics, the University of Liverpool, Liverpool L69 3GJ, UK |
| Abstract: | A numerical study of the unsteady phenomena resulting of periodic passing wakes is presented. An unsteady passing wake boundary condition is implemented in a three-dimensional Navier–Stokes code. Unsteady computations are performed to evaluate the capability of the code to simulate the rotor–stator interaction flow. The analysis of the flow structures shows the vortical disturbances and the migration of the incoming wakes through the blade passage. This physical analysis allows to separate the main origins of the losses. |
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