YANG Longyuan, SHENG Yunyi, CUI Tianyu, et al. Numerical investigation of propeller slipstream effects on high-lift aerodynamic configurations[J]. 2025, 43(5): 41-50.
YANG Longyuan, SHENG Yunyi, CUI Tianyu, et al. Numerical investigation of propeller slipstream effects on high-lift aerodynamic configurations[J]. 2025, 43(5): 41-50.DOI: 10.7638/kqdlxxb-2024.0090.
Numerical investigation of propeller slipstream effects on high-lift aerodynamic configurations
To achieve rapid and accurate analysis of propeller slipstream effects on high-lift configurations
this study employed both the full blades method (FBM) and actuator disk method (ADM) for numerical simulations under advance ratios
J
= 0.7
1.0 and angles of attack ranging from –4° to 24°. The results showed that although there were local differences in time-averaged actuator disk load distrib
utions between isolated propellers and propellers integrated with high-lift configurations
the pressure distributions and lift/drag results obtained by applying these different load sources in ADM calculations were fundamentally consistent. The differences in overall lift coefficient did not exceed 4.3%
and drag coefficient deviations remain below 5.4%
demonstrating that using actuator disk loads from isolated propellers had minimal impact on full-aircraft aerodynamic calculations
thereby avoiding complex grid generation. By converting unsteady computations to steady-state solutions while maintaining equivalent grid resolution (33 million cells)
ADM achieved results that closely match FBM before stall (
α
< 20°)
with computational time reduced to approximately 1/18 of FBM (170 vs.
3100
core-hours). The ADM method thus provides an efficient and reasonable approach for evaluating propeller slipstream effects on high-lift devices.
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references
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