Quasi-three-dimensional high-lift wing design approach considering three-dimensional effects of slipstream for distributed electric propulsion aircraft

CAO, Tianshi; BAI, Junqiang; QIU, Yasong; HAN, Kai; FENG, Shaodong; YU, Shilong

doi:10.1016/j.cja.2024.06.034

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Cited by 3 publications

References 30 publications

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Stability-enhanced viscous vortex particle method in high Reynolds number flow and shear turbulence

MENG,

BAI,

et al. 2024

Chinese Journal of Aeronautics

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Stability-enhanced viscous vortex particle method in high Reynolds number flow and shear turbulence

MENG,

BAI,

et al. 2024

Chinese Journal of Aeronautics

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Aerodynamic characteristics study on multiple propellers in distributed electric propulsion configurations

Gao,

Zheng,

Zhang

et al. 2025

Physics of Fluids

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Distributed electric propulsion is widely recognized as a disruptive technology in aviation, and the aerodynamic characteristics of a multi-propeller are critical to the design of such configurations. A reformulated vortex particle method is adopted to provide an in-depth analysis of the aerodynamic characteristics between the multiple propellers operating in close proximity. According to the symmetrical distribution features of the particle field, the entire flowfield is divided into a noninterference region and an interference region. The results show that the aerodynamic performance of the middle propeller fluctuates more than the other two adjacent propellers in the hover state, and the flowfield in the noninterference zone exhibits time-independent characteristics. As the advance ratio increases, the performance fluctuations decrease, the radial contraction of the tip vortex is gradually attenuated, and the initial vortex strength decreases. For the interference zone in hover, the aerodynamic load of each blade drops as the propellers approach the interference region and the wake geometry shows asymmetry. The slipstream deformation of the multi-propeller is more pronounced in hover. The downwash from the previous propeller is responsible for the sequential decrease in thrust coefficient for multi-propeller systems operating at different sideslip angles, and the middle propeller experiences the greatest thrust fluctuation.

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A Review of Aerodynamic Flow Control Utilizing Distributed Electric Propulsion

Ali,

Khan

2024

2024 4th International Conference on Digital Futures and Transformative Technologies (ICoDT2)

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Quasi-three-dimensional high-lift wing design approach considering three-dimensional effects of slipstream for distributed electric propulsion aircraft

Cited by 3 publications

References 30 publications

Stability-enhanced viscous vortex particle method in high Reynolds number flow and shear turbulence

Stability-enhanced viscous vortex particle method in high Reynolds number flow and shear turbulence

Aerodynamic characteristics study on multiple propellers in distributed electric propulsion configurations

A Review of Aerodynamic Flow Control Utilizing Distributed Electric Propulsion

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