Results 21 to 30 of about 131,365 (295)
A decomposition formula for the wall heat flux of a compressible boundary layer
Advances in Aerodynamics, 2021 Understanding the generation mechanism of the heat flux is essential for the design of hypersonic vehicles. We proposed a novel formula to decompose the heat flux coefficient into the contributions of different terms by integrating the conservative ...
Dong Sun +5 more
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Xibei Gongye Daxue Xuebao, 2019 With the continuous development and widespread attention of electric propulsion technology in traditional transportation fields such as automobiles and trains, the distributed propeller propulsion technology applied to electric or hybrid electric medium ...
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Research on Stall Characteristics of Droop Leading Edge Combined with Internal-blowing Flaps
Hangkong gongcheng jinzhan, 2022 The internally blown flap is of efficient lift enhancement ability,but stall angle of attack drops significantly at a higher jet momentum.In order to improve the stall characteristics,the stall characteristics of the internally blown flap with the droop ...
HE Meng, ZHANG Liu, ZHAO Lei, LI Chang
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Entropy, 2022 Strong viscous interaction and multiple flow regimes exist when vehicles fly at high altitude and high Mach number conditions. The Navier–Stokes(NS) solver is no longer applicable in the above situation.
Dingwu Jiang +3 more
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Advances in Aerodynamics, 2019 The accuracy of gradient reconstruction methods on unstructured meshes is analyzed both mathematically and numerically. Mathematical derivations reveal that, for gradient reconstruction based on the Green-Gauss theorem (the GG methods), if the summation ...
Nianhua Wang +3 more
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Deformation Measurements of Helicopter Rotor Blades Using a Photogrammetric System
Photonics, 2022 As an important part of the helicopter, the rotor directly affects flight safety and flight quality. Knowledge of the rotor dynamic behaviors is significant for validating and optimizing the performance of the helicopter rotor system.
Chenglin Zuo +4 more
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气体物理, 2023 Intake performance is one of the most important factors relating with the forebody-inlet design for air-breathing hypersonic vehicles. The intake performance will be altered due to hypersonic flow field change by the thermal deformation of forebody and ...
Si-yi LI +5 more
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Design of an Acoustic Synthetic Jet Actuator for Flow Control
Actuators, 2022 Synthetic jet technology is widely adopted in active flow control. An actuator with an oscillating diaphragm is a commonly used excitation device for synthetic jet generation.
Lianshan Lu +6 more
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Advances in Aerodynamics, 2020 The DSMC modeling is developed to simulate three-dimensional (3D) rarefied ionization flows and numerically forecast the communication blackout around spacecraft during hypervelocity reentry.
Ming Fang +4 more
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A computational assessment of the aerodynamic performance of a tilted Darrieus wind turbine [PDF]
, 2015 The aerodynamic performance of a Darrieus wind turbine operating with the rotation axis tilted with respect to the free-stream wind speed is investigated in this paper. An Unsteady Reynolds Averaged Navier Stokes (URANS) Computational Fluid Dynamics (CFD)
Bedon, Gabriele +2 more
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