Results 21 to 30 of about 163,328 (242)
Analysis of Development Trend and Design Technology of Hard Type Air Tanker
Hangkong gongcheng jinzhan, 2020 Air refueling technology reflects the strength of a country's air force to a certain extent, and has been widely concerned. The development history of hard type air tanker is summarized in this paper.
WANG Xiuxiang, GAO Xu, GAO Yakui
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Effect of tip vortices on flow over NACA4412 aerofoil with different aspect ratios
EPJ Web of Conferences, 2016 Effect of tip vortices on flow and laminar separation bubble over NACA4412 aerofoil at low Reynolds numbers and different angles of attack was investigated in detail by performing force and flow visualization via smoke wire technique.
Genç Mustafa Serdar +4 more
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Scientific Reports, 2021 With the aim for a low-aspect-ratio flying wing configuration, this study explores the influence of wall temperature gradient on the laminar and turbulent boundary layers of aircraft surface and determines the effect on the transition Reynolds number and
Peng Lin +6 more
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Aerospace, 2023 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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Optimization of positional parameters of close-formation flight for blended-wing-body configuration
Heliyon, 2018 In the present study, we study formation flight with two flying wing configurations. A low speed wind tunnel test is conducted to validate the accuracy of the Computational Fluid Dynamics (CFD).
Tao Yang +4 more
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Modeling of unsteady aerodynamic loads
, 2011 Time-accurate solutions of the Euler or Navier-Stokes equations are still nowadays a computationally expensive approach for applications where a magnitude of parameters has to be investigated. This work focuses on flight dynamics-related studies.
Cummings, R. M. +4 more
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Analysis of Flow Field Structure Characteristics of Dual Impinging Jets at Different Velocities
AerospaceThe flow structure and unsteady evolution characteristics of dual impinging jets represent a flow problem of significant engineering importance in the aerospace field.
Yifan Zhao +5 more
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A High Efficient Fluid-Structure Interaction Method for Flutter Analysis of Mistuned [PDF]
Xibei Gongye Daxue Xuebao, 2018 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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International Journal of Chemical Engineering, 2018 The air-flow impacting based mechanochemical synthesis is an alternative strategy to traditional mechanochemical preparations, which has many advantages in terms of reaction temperature, preparation speed, and cleanness.
Yang Tao +5 more
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Error estimation and adaptive mesh refinement for aerodynamic flows [PDF]
, 2010 We consider the adjoint-based error estimation and goal-oriented mesh refinement for single and multiple aerodynamic force coefficients as well as residual-based mesh refinement applied to various three-dimensional laminar and turbulent aerodynamic test ...
Ralf Hartmann +7 more
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