Results 51 to 60 of about 19,911 (166)

Analysis of aerodynamic characteristics of hypersonic folding-wing aircraft

open access: yesHangkong gongcheng jinzhan
Hypersonic aircraft encounter challenges in adapting to complex external environments during missions. Conventional fixed-wing aircraft have limited optimal aerodynamic performance under specific conditions.
WU Zaoping, QIN Jian, WU Jie
doaj   +1 more source

Aerodynamic characteristics of a rotating sphere

open access: yesIOP Conference Series: Materials Science and Engineering, 2020
Abstract Modern ballistic models, both internal and external, are amazingly accurate. This is due in no small part to the advances in technology that reduced tolerances in the guns and provided testing equipment that provided consistent and valid results. There are few variables.
K R Crawford, N W Mitiukov, E L Busygina
openaire   +1 more source

Layout and Rotation Effect on Aerodynamic Performance of Multi-Rotor Ducted Propellers

open access: yesDrones
Multi-rotor ducted propellers, which integrate the high-efficiency characteristics of ducted propellers with the layout flexibility and safety advantages of distributed propulsion, are extensively utilized in the propulsion systems of low-altitude ...
Zeyu Li   +6 more
doaj   +1 more source

The Aerodynamic Characteristics of Road Vehicles Overtaking on Bridge Deck under Crosswinds

open access: yesAdvances in Civil Engineering, 2020
The aerodynamic characteristics of road vehicles in windy environments are the prerequisites for the evaluation and prediction of the driving safety and stability.
Ning Chen   +3 more
doaj   +1 more source

Simulation and Analysis of Aerodynamic Characteristics during Parafoil Canopy Curving Process and Application by LBM

open access: yesAerospace
A parafoil is a crucial aerodynamic deceleration device used in the field of airdrop. The overall objective of this paper is to study the aerodynamic characteristics of the curving process of the canopy using the lattice Boltzmann method, to verify it ...
Yi Wang, Chunxin Yang
doaj   +1 more source

The influence of aerodynamic coefficients on the elements of classic projectile paths

open access: yesVojnotehnički Glasnik, 2011
The article deals with the results of the research on the influence of aerodynamic coefficient values on the trajectory elements and the stability parameters of classic axisymmetric projectiles.
Damir D. Jerković, Dušan B. Regodić
doaj   +1 more source

Dipole Approximation in the Calculation of the Perturbed Velocities

open access: yesTransport and Telecommunication, 2014
In this article we consider one of the approaches aimed at reducing time of calculation of aerodynamic characteristics of the studied objects using discrete vortex method.
Solovyov Oleg   +3 more
doaj   +1 more source

Low Reynolds Number Propeller Slipstream Interference with Wing Aerodynamic Characteristics

open access: yesHangkong gongcheng jinzhan, 2018
Detailed research for wing aerodynamic characteristics of propeller slipstream at low Reynolds number could contribute the mechanism study of low speed near space flow, and provide reliable aerodynamic results.
Sun Kaijun, Bao Xiaoxiang, Fu Yiwei
doaj   +1 more source

DEFINITION OF AERODYNAMIC CHARACTERISTICS OF THE PROFILE UNDER THE DRAG POLAR OF THE FINITE WING

open access: yesНаучный вестник МГТУ ГА, 2016
The numerical method of calculation of aerodynamic characteristics of a profile is stated on the basis of the experiment of aerodynamic characteristics of a rectangular wing of a final lengthening.
B. L. Artamonov
doaj  

A Modeling Approach for the Balanced Gliding Trajectory of a Hypersonic Vehicle with Pneumatic Iteration

open access: yesAerospace
This work presents a method for simulating balanced gliding trajectories of high-hypersonic flight vehicles, circumventing the challenges associated with trajectory modeling for these advanced vehicles.
Guoxu Feng   +4 more
doaj   +1 more source

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