Results 21 to 30 of about 15,596,670 (337)

Aerodynamic Characteristics of Wind Turbines Operating under Hazard Environmental Conditions: A Review

open access: yesEnergies, 2023
This paper provides a review of the aerodynamic behavior of horizontal axis wind turbines operating in hazardous environmental conditions. Over the past decade, renewable energy use has accelerated due to global warming, depleting fossil fuel reserves ...
Eleni Douvi, Dimitra C. Douvi
semanticscholar   +1 more source

Study on the Influence of Low-Level Jet on the Aerodynamic Characteristics of Horizontal Axis Wind Turbine Rotor Based on the Aerodynamics–Controller Interaction Method

open access: yesEnergies, 2022
Accurate prediction of the aerodynamic characteristics of wind rotors subjected to various wind profiles is of considerable importance in the aerodynamics and structural design of wind turbines.
Pan He, Jian Xia
doaj   +1 more source

Effect of cross wind on aerodynamic coefficients of ground vehicles. [PDF]

open access: yes, 2009
The present work investigates the variation of aerodynamic coefficients with the change in the angle of flow. A mathematical equation has been developed for predicting the aerodynamic coefficients, when a vehicle is subjected to crosswind.
Malviya, Vihar   +2 more
core   +4 more sources

Study on Aircraft Reliability Assessment in Flight Test and Service Period

open access: yesHangkong gongcheng jinzhan, 2020
The reliability level is one of the most significant indexes to be considered in aircraft design process. In order to guarantee the objectivity and accuracy of results, the study on aircraft reliability assessment in flight test and service period is ...
GUO Peng, ZHAO Xiaodong
doaj   +1 more source

Determining aerodynamic characteristics of small unmanned aerial vehicles involving flight experiment

open access: yesВестник Самарского университета: Аэрокосмическая техника, технологии и машиностроение, 2023
The methodology, software and hardware and the results of determining the aerodynamic characteristics of a small-sized UAV on the basis of a flight experiment are considered in the article.
O. E. Lukyanov   +3 more
doaj   +1 more source

Numerical Study on the Aerodynamic Characteristics of the NACA 0018 Airfoil at Low Reynolds Number for Darrieus Wind Turbines Using the Transition SST Model

open access: yesProcesses, 2021
A symmetrical NACA 0018 airfoil is often used in such applications as small-to-medium scale vertical-axis wind turbines and aerial vehicles. A review of the literature indicates a large gap in experimental studies of this airfoil at low and moderate ...
K. Rogowski, Grzegorz Królak, G. Bangga
semanticscholar   +1 more source

Aerodynamic Characteristics of Shark Scale-Based Vortex Generators upon Symmetrical Airfoil

open access: yesEnergies, 2021
A series of wind tunnel tests were carried out to determine the effect of shark scale-based vortex generators (SSVG) on a NACA 0015 symmetrical airfoil’s aerodynamic characteristics.
S. Arunvinthan   +5 more
semanticscholar   +1 more source

Influence of the Car Movable Aerodynamic Elements on Fast Road Car Cornering

open access: yesEnergies, 2022
In the case of road cars, road safety is the primary factor. The geometry of high-speed road cars has no regulatory restrictions. In addition to the high engine power and effective shape, they can use various types of additional movable aerodynamic ...
Janusz Ryszard Piechna   +6 more
doaj   +1 more source

Wind tunnel measurement of aerodynamic characteristics of trains passing each other on a simply supported box girder bridge

open access: yesRailway Engineering Science, 2021
The aerodynamic performance of high-speed trains passing each other was investigated on a simply supported box girder bridge, with a span of 32 m, under crosswinds.
Xiao-Zhen Li   +4 more
semanticscholar   +1 more source

Research on Wind Tunnel Test of Aerodynamic Characteristics of Missile under Subtransonic Velocity

open access: yesHangkong gongcheng jinzhan, 2020
In the process of missile design, the aerodynamic characteristics of missile as an important factor directly affect the dynamic quality of missile flight. In the case of severe nonlinearity of aerodynamic characteristics in subsonic and transonic regions,
PENG Bo, CEN Mengxi
doaj   +1 more source

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