Results 11 to 20 of about 131,365 (295)
Hypersonic aerodynamic force balance using temperature compensated semiconductor strain gauges
Advances in Aerodynamics, 2023 Metal foil strain gauges remain the state-of-the-art transducers for wind tunnel balances. While strain gauge technology is very mature, piezoresistive semiconductor sensors offer alternatives that are worth exploring to assess their unique benefits ...
Huacheng Qiu +5 more
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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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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 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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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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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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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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Simulation of tail boom vibrations using main rotor-fuselage Computational Fluid Dynamics (CFD) [PDF]
, 2017 In this work, fully-resolved rotor-fuselage interactional aerodynamics is used as the forcing term in a model based on the Euler-Bernoulli equation, aiming to simulate helicopter tail-boom vibration.
Barakos, George N. +4 more
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Hangkong gongcheng jinzhan, 2019 With the increase in demand for long range rapid delivery of heavy equipment and materials such as missile launch vehicles, heavy tanks, and intelligent unmanned clusters, and the gradual maturity of penetrating counterair capabilities such as stealth ...
Yang Xiaochuan +5 more
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