Results 11 to 20 of about 39,978 (316)

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

Impacts of tires on aerodynamic performance of a Formula Student electric vehicle: A high-resolution three-dimensional Reynolds-averaged Navier–Stokes study [PDF]

open access: yesAIP Advances
Optimizing aerodynamic performance is paramount for enhancing the energy efficiency of electric vehicles. Reducing aerodynamic drag directly extends driving range and lowers battery consumption, making aerodynamics a fundamental element in modern ...
Junbiao He   +3 more
doaj   +1 more source

Quantitative Weight and Two-Particle Search Algorithm to Optimize Aero-Stealth Performance of a Backward Inclined Vertical Tail

open access: yesAerospace, 2023
To study the influence of the tilt-back design of a vertical tail on its aerodynamic stealth characteristics, an optimization method based on a quantitative weight coefficient and a two-particle search algorithm is presented.
Zeyang Zhou, Jun Huang
doaj   +1 more source

Numerical Study of the Aerodynamic Effect of Ski Suit Surface Roughness on Ski Jumping Athletes During the Flight Phase [PDF]

open access: yesJournal of Applied Fluid Mechanics
Surface roughness of ski suits can have a significant effect on the aerodynamic performance of ski jumping athletes. Herein, several typical surface roughness configurations are examined through numerical simulations.
K. Liu, Z. Wang, Q. Liu
doaj   +1 more source

Geometry Design Optimization of a Wind Turbine Blade Considering Effects on Aerodynamic Performance by Linearization

open access: yesEnergies, 2020
For a wind turbine to extract as much energy as possible from the wind, blade geometry optimization to maximize the aerodynamic performance is important.
Kyoungboo Yang
doaj   +1 more source

Running performance of an aerodynamic journal bearing with squeeze film effect [PDF]

open access: yes, 2013
Results of theoretical and experimental studies concerning the performance of an aerodynamic journal bearing which running is assisted by squeeze film ultrasonic levitation (SFUL) are presented in this paper.
Stolarski, TA, Sho, T, Yoshimoto, S
core   +1 more source

Effect of Geometric Scaling on Aerodynamic Performance

open access: yesAIAA Journal, 2005
Miniaturization of modern electronics and simultaneous elevation in heat dissipation means that future compact electronic systems are likely to be too hot to be held in the users hand. As a result, novel compact cooling technologies are required. In systems such as mobile phones and palmtop computers, macroscale fans cannot be used to overcome this ...
Grimes, R, Walsh, E, Quin, D, Davies, M
openaire   +1 more source

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

Aerodynamic Performance of Propellers for Multirotor Unmanned Aerial Vehicles: Measurement, Analysis, and Experiment

open access: yesShock and Vibration, 2021
Analyzing the propeller aerodynamic performance is of vital importance for research and improvement of unmanned aerial vehicles. This paper presents the design requirements for a propeller for rotorcraft unmanned aerial vehicles and an analysis of a ...
Hang Zhu   +5 more
doaj   +1 more source

Research on the Aerodynamic Performance and Collaborative Optimization Design of the Full-Scale Compact Inlet Chamber of a Nuclear-Powered Steam Turbine

open access: yesMachines
In nuclear-powered steam turbines, the aerodynamic performance of the inlet chamber tends to be contradictory to the compact design, which makes it difficult to achieve optimal efficiency and power in a nuclear-powered steam turbine.
Lei Zhang   +3 more
doaj   +1 more source

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