Results 31 to 40 of about 38,021 (315)

Aerodynamic investigations of ventilated brake discs. [PDF]

open access: yes, 2005
The heat dissipation and performance of a ventilated brake disc strongly depends on the aerodynamic characteristics of the flow through the rotor passages.
MacManus, David G., Parish, D.
core   +1 more source

New Aerodynamic Studies of an Adaptive Winglet Application on the Regional Jet CRJ700

open access: yesBiomimetics, 2021
This study aims to evaluates how an adaptive winglet during flight can improve aircraft aerodynamic characteristics of the CRJ700. The aircraft geometry was slightly modified to integrate a one-rotation axis adaptive winglet.
Marine Segui   +3 more
doaj   +1 more source

An Improved Nonlinear Aerodynamic Derivative Model of Aircraft at High Angles of Attack

open access: yesInternational Journal of Aerospace Engineering, 2021
The classical aerodynamic derivative model is widely used in flight dynamics, but its application is extremely limited in cases with complicated nonlinear flows, especially at high angles of attack.
Mi Baigang, Yu Jingyi
doaj   +1 more source

Numerical investigation on aerodynamic characteristics of a high-speed train travelling through a bridge–tunnel section under non-uniform airflows caused by mountain terrain effect

open access: yesEngineering Applications of Computational Fluid Mechanics, 2023
A thorough understanding of aerodynamic characteristics of a high-speed train in a bridge–tunnel section is of extremely importance to ensure the vehicle safety of driving. This study presents a numerical investigation on aerodynamic characteristics of a
Hao Hu   +4 more
doaj   +1 more source

Observations on some transonic wind tunnel test results of a standard model with a T-tail [PDF]

open access: yesScientific Technical Review, 2016
As a part of a periodic health monitoring of the wind tunnel structure, instrumentation and flow quality, a series of tests of an AGARD-C calibration model was performed in the 1.5 m T-38 trisonic wind tunnel of the Military Technical Institute (VTI) in ...
Damljanović Dijana   +4 more
doaj  

Study on Nonlinear Aerodynamic Characteristics of a Semi-Closed Box Bridge Deck Based on Coupled Amplitude Variation

open access: yesApplied Sciences, 2022
This paper explores the nonlinear characteristics of the self-excited aerodynamic forces of a semi-closed box deck section to perfect the theory of aeroelastic response analysis.
Haoyang Lu   +3 more
doaj   +1 more source

Development and evaluation of an aerodynamic model for a novel vertical axis wind turbine concept [PDF]

open access: yes, 2013
There has been a resurgence of interest in the development of vertical axis wind turbines which have several inherent attributes that offer some advantages for offshore operations, particularly their scalability and low over-turning moments with better ...
Shires, A, Andrew Shires, Shires, Andrew
core   +1 more source

X-34 vehicle aerodynamic characteristics [PDF]

open access: yes16th AIAA Applied Aerodynamics Conference, 1998
The X-34, being designed and built by the Orbital Sciences Corporation, is an unmanned sub-orbital vehicle designed to be used as a flying test bed to demonstrate key vehicle and operational technologies applicable to future reusable launch vehicles. The X-34 will be air-launched from an L-1011 carrier aircraft at approximately Mach 0.7 and altitudes ...
openaire   +1 more source

Aerodynamic Layout Evaluation of Hydrogen-powered Fixed-wing Unmanned Aerial Vehicle(UAV) by Numerical Simulation

open access: yesTaiyuan Ligong Daxue xuebao, 2021
For the aerodynamic layout selection of a long-endurance hydrogen energy hybrid unmanned aerial vehicle(UAV), this paper carried out a numerical simulation of aerodynamic characteristics for a certain design plan, in order to provide data support for the
Haiping TIAN   +5 more
doaj   +1 more source

Unsteady Aerodynamic Characteristics of Antenna Rotating in Different Elevation Angles

open access: yesInternational Journal of Antennas and Propagation, 2021
The aerodynamic characteristics of radar antennas should be considered in computing their wind resistance and designing pedestal servo systems. In this paper, the aerodynamic characteristics of a flat plate antenna with azimuthal rotation are explored ...
Yanqi Zhang, Zhaoming Zhang
doaj   +1 more source

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