Results 21 to 30 of about 12,489,898 (339)
Numerical Simulation of Flow over Bionic Airfoil
International Journal of Aerospace Engineering, 2021 In this study, the aerodynamic performance of bionic airfoil was numerically studied by CFD method. The bionic airfoil was represented by the combination of airfoil and a small trailing edge flap.
Lishu Hao +3 more
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Numerical Simulation of Dynamic Pressure Change in Transport Aircraft Cabin with Airdrop
Hangkong gongcheng jinzhan, 2021 When heavy equipment are airdropped, the cabin cross-section is largely blocked, and rapid moving of heavy equipment will cause drastic changes in cabin pressure and even damage the health of cabin crew.Therefore, it is necessary to carry out numerical ...
LIU Weibing, JIAO Yuqin, ZOU Hongyi
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Design Optimization of a Multi-Megawatt Wind Turbine Blade with the NPU-MWA Airfoil Family
Energies, 2019 A new airfoil family, called NPU-MWA (Northwestern Polytechnical University Multi-megawatt Wind-turbine A-series) airfoils, was designed to improve both aerodynamic and structural performance, with the outboard airfoils being designed at high design lift
Jianhua Xu +3 more
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International Journal of Aerospace Engineering, 2022 This study focuses on the effect of the upward deflection of trailing edge flap (TEF) on the strength and trajectory of dynamic stall vortex (DSV) around a pitching airfoil by means of numerical simulations based on unsteady Reynolds-averaged Navier ...
Shi-Long Xing, He-Yong Xu, Wei-Guo Zhang
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Applied Sciences, 2021 Rotor airfoil design involves multi-point and multi-objective complex constraints. How to significantly improve the maximum lift coefficient and lift-to-drag ratio of rotor airfoil is a fundamental problem, which should be solved urgently in the ...
Shunlei Zhang +4 more
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Research on Sealed Chamber Wall Effects in an Extremely Low Wind Speed Calibration Facility
Hangkong gongcheng jinzhan, 2022 The side wall interference and disturbance reflection from the front end wall of a sealed chamber in an extremely low wind speed calibration facility operated by driving the probe in motion might have influence on the flow field inside the chamber,thus ...
ZHOU Tingbo +6 more
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Aerospace, 2023 The wing planform and flapping kinematics are critical for the hovering flight of flapping wing micro air vehicles (FWMAVs). The degree of influence of wing geometry and kinematic parameters on aerodynamic performance still lacks in-depth analysis.
Xinyu Lang +4 more
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Inflatable Leading Edge-Based Dynamic Stall Control considering Fluid-Structure Interaction
International Journal of Aerospace Engineering, 2020 The inflatable leading edge (ILE) is explored as a dynamic stall control concept. A fluid-structure interaction (FSI) numerical method for the elastic membrane structure is constructed based on unsteady Reynolds-averaged Navier-Stokes (URANS) and a mass ...
Shi-Long Xing +3 more
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Multipoint high-fidelity CFD-based aerodynamic shape optimization of a 10 MW wind turbine [PDF]
Wind Energy Science, 2019 The wind energy industry relies heavily on computational fluid dynamics (CFD) to analyze new turbine designs. To utilize CFD earlier in the design process, where lower-fidelity methods such as blade element momentum (BEM) are more common, requires the
M. H. Aa. Madsen +3 more
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Side force control on slender body by self-excited oscillation flag
Theoretical and Applied Mechanics Letters, 2016 Strong asymmetrical vortices appear on the leeward of slender body at high angles of attack, which has very unfavorable effect on the stability and control of the aircraft. A method is developed to control the side force of slender body at high angles of
Jian Zhai +5 more
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