Results 31 to 40 of about 61,014 (226)
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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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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Aerospace, 2023 A body flap/RCS-integrated configuration is often used to achieve pitch trimming and controlled flight in near space for hypersonic vehicles. Under the high temperature and pressure load induced by the expansion wave at the nozzle exit, the body flap is ...
Ruhao Hua, Qi Chen, Zhao Wan, Hao Chen
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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 The Navier–Stokes(NS) solver is no longer applicable in the above situation.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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Study on Flow Mechanism of a Morphing Supercritical Airfoil
Shock and Vibration, 2021 In order to maintain the best performance in flight, a new concept, morphing aircraft, has been proposed, which can change the real-time aerodynamic characteristics under different flight conditions.
Yuanjing Wang +4 more
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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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Physical Review E, 2019 Vortex-induced vibrations (VIVs) have been observed on a long-span suspension bridge. The nonstationary wind in the field characterized by the time-varying mean wind speed is likely to lead to time-varying aerodynamics of the wind-bridge system during ...
Shanwu Li +5 more
semanticscholar +1 more source
Study on the Similarity Criteria of Aircraft Structure Temperature/Stress/Dynamic Response
Journal of Thermal Science and Technology, 2012 The performance parameters of thermal protection system are essential for the design and optimization of high-speed aircraft. The flight-ground conversion is a valid method to provide the effective support to the design of the thermal protection ...
Lei LIU +4 more
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Experimental Investigation on Flow Control over a Circular Cylinder Using Antiphase Pulsed Jets
Actuators, 2023 To investigate the flow control characteristics of antiphase pulsed jet technology and explore a more efficient method to control unsteady flow with minimal impact on flow turbulence, wind tunnel experiments were conducted.
Jiaxin Pan +5 more
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Hangkong gongcheng jinzhan, 2018 With the development of aviation aircraft, the research on new aerodynamic configuration design has become the focus of power country in aviation. The actuator disk model applied in ducted fan based on self-developed “TRIsonic Platform”(TRIP 3.0) is ...
Yang Xiaochuan +4 more
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