Results 11 to 20 of about 121,945 (278)
Advances in Aerodynamics, 2019 How to solve the hypersonic aerothermodynamics around large-scale uncontrolled spacecraft during falling disintegrated process from outer space to earth, is the key to resolve the problems of the uncontrolled Tiangong-No.1 spacecraft reentry crash.
Zhi-Hui Li +5 more
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Advances in Aerodynamics, 2020 Properties of wall pressure beneath a transitional hypersonic boundary layer over a 7∘ half-angle blunt cone at angle of attack 6∘ are studied by Direct Numerical Simulation. The wall pressure has two distinct frequency peaks. The low-frequency peak with
Siwei Dong +4 more
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Xibei Gongye Daxue Xuebao, 2019 The air intake design system of the dorsal intake combined with the S-shaped inlet has been widely used in various combat aircraft due to its good stealth characteristics.
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Effect of gas blowing on the head of thermal ablation vehicle
Advances in Aerodynamics, 2022 The reentry vehicle will encounter thermal ablation, especially at the stagnation point regime. A theoretical work has been done to analyze the thermal effect of gas blowing due to thermal ablation of surface material on the head of a general hypersonic ...
Qing Li +3 more
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From primary instabilities to secondary instabilities in Görtler vortex flows
Advances in Aerodynamics, 2019 We have studied the transformation process from primary instabilities to secondary instabilities with direct numerical simulations and stability theories (Spatial Biglobal and plane-marching parabolized stability equations) in detail. First Mack mode and
Xi Chen +4 more
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Advances in Aerodynamics, 2021 In order to visualize the rarefied flow field in a Φ1m hypersonic low-density wind tunnel, an electric glow discharge technique based on high frequency excited power has been developed.
Wanqiu Jiang +7 more
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Research on Variable-Step-Size Adaptive Filter Algorithm with a Momentum Term
Applied Sciences, 2023 To address the contradiction between the convergence error and convergence rate in the LMS algorithm, this study proposes a variable-step-size adaptive filter algorithm with a momentum term based on the logistic function.
Binbin Li +7 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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Flight of the dragonflies and damselflies [PDF]
, 2016 This work is a synthesis of our current understanding of the mechanics, aerodynamics and visually mediated control of dragonfly and damselfly flight, with the addition of new experimental and computational data in several key areas.
Alexander DE +29 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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