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Noise prediction research of a scaled turboprop aircraft
Aerodynamic noise level has become an important performance index of civil aircraft, and it is drawing more and more attention. Most airframe noise research based on CFD method is aimed at aircraft individual parts at present, while lack of noise ...
Song Minhua +5 more
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Research on flight load surrogate model using neural networks
In aircraft structural strength design, flight load analysis is required, but the load analysis cycle is long,so it is necessary to study more efficient and accurate flight load analysis methods to shorten the load design cycle.The horizontal tail of a ...
PENG Yuzhuo, TANG Zhen, XIAO Qizhi
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Study on Aerodynamic Interference of Tanker Aircraft on Receiver Aircraft based on N-S Equations
The wake flow field of tanker aircraft can produce the complex flow interference on receiver aircraft during aerial refueling.The computational fluid dynamics(CFD)method based on Navier-Stokes(N-S)equations is used to analyze the wake flow field of the ...
GENG Yansheng +3 more
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Modeling high-dimensional aerodynamic data presents a significant challenge in aero-loads prediction, aerodynamic shape optimization, flight control, and simulation.
Bo-Wen Zan +4 more
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Most existing aerodynamic shape optimization (ASO) studies do not take the balanced pitching moment into account and thus the optimized configuration has to be trimmed to ensure zero pitching moment, which causes additional drag and reduces the benefit ...
Kai Wang +3 more
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Laminar-turbulent transition characteristics of a 3-D wind turbine rotor blade based on experiments and computations [PDF]
Laminar-turbulent transition behavior of a wind turbine blade section is investigated in this study by means of field experiments and 3-D computational fluid dynamics (CFD) rotor simulations.
Ö. S. Özçakmak +3 more
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Review of the Study on High-angle-of-attack Flight Problems of Aircraft
The close combat in air battle is still inevitable in future.The accurate and agile nose-pointing capability at high-angle-of-attack is still essential and significant for fighter to survive and gain air superiority.According to the high-angle-of-attack ...
ZHANG Zijun +3 more
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A High Efficient Fluid-Structure Interaction Method for Flutter Analysis of Mistuned [PDF]
The time cost is very high by direct fluid-structure interaction method for mistuned bladed disk structures, so aerodynamic loads generally are ignored or treated as small perturbations in traditional flutter analysis.
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Numerical simulation study on dynamic stall of airfoil controlled by combined blow-suction
One of the key problems to improve the aerodynamic characteristics of airfoil is to solve the dynamic stall.This paper presents a method to control the dynamic stall of airfoil by using the combination of leading-edge suction and trailing edge suction ...
JIA Tianhao +3 more
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An improved WENO-Z scheme with symmetry-preserving mapping
Since the classical weighted essentially non-oscillatory (WENO) scheme is proposed, various improved versions have been developed, and a typical one is the WENO-Z scheme.
Zheng Hong, Zhengyin Ye, Kun Ye
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