Results 31 to 40 of about 117,923 (302)
Feasibility study of a hybrid wind turbine system - integration with compressed air energy storage [PDF]
The paper presents a new hybrid wind turbine system that is formed by a direct mechanical shaft connection of the wind turbine with an air expander, which converts stored compressed air energy to mechanical energy.
Clarke, Jonathan +3 more
core +2 more sources
Small wind turbines are an attractive alternative for off-grid electrification and water pumping, both as stand-alone applications and in combination with other energy technologies such as photovoltaic, small hydro or Diesel engines. Under these conditions, the cost of energy alone is often not the only criterion to consider, and aspects like system ...
Oliver Probst +3 more
openaire +4 more sources
Modelling of two-dimensional scattering centre of wind turbine based on Feko
The wind farm and high-frequency radar station inevitably produce more and more prominent electromagnetic interference problem. The key to solve the interference problem is to study the electromagnetic scattering characteristics of wind turbines in high ...
Bo Tang, Hao Chen, Li Huang, Haobang Liu
doaj +1 more source
An Energy Efficiency Estimation Procedure for Small Wind Turbines at Chosen Locations in Poland
Contrary to the extensive amount of research on large wind turbines, substantial analyses of small wind turbines are still rare. In the present study, the wind energy potential of three locations in Poland is analyzed using real wind data from a five ...
Justyna Zalewska +2 more
doaj +1 more source
Integrated Design and Experimental Validation of a Fixed-Pitch Rotor for Wind Tunnel Testing
In this paper we report about the design and validation of a 1.2 m wind turbine rotor with fixed blade pitch. The wind turbine is a scaled version of the DTU 10 MW. Integrated design of dimensional scaling laws, blade aerodynamics, and turbine control is
Alessandro Fontanella +2 more
doaj +1 more source
An Isolated Small Wind Turbine Emulator [PDF]
An isolated small wind turbine emulator is described in this paper. The system consists of a PC controlled variable speed dc motor coupled to a synchronous generator. Dump load is connected to the generator through a microcontroller controlled DC-DC converter.
Md. Arifujjaman +2 more
openaire +1 more source
In the present study, numerical wind simulation was conducted by reproducing the realistic topography near wind turbine sites with high spatial resolutions and using the Large-Eddy Simulation (LES) technique. The topography near wind turbine sites serves
Takanori Uchida
doaj +1 more source
Wind tunnel and numerical study of a small vertical axis wind turbine [PDF]
This paper presents a combined experimental and computational study into the aerodynamics and performance of a small scale vertical axis wind turbine (VAWT).
Berg +8 more
core +1 more source
The small wind turbine field lab [PDF]
The emerging market of small wind turbines (SWT) is characterised by a large variety of turbine types as well as turbine performance. The abundance of more ‘exotic’ types of vertical axis wind turbines (VAWT) next to the more traditional horizontal axis ...
De Kooning, Jeroen +5 more
core
A combined finite element and phase‐field approach predicts the evolution of microstructure during the directional solidification of Ni‐based superalloys. The model reveals how withdrawal rate, temperature gradient, and wall thickness control the dendrite spacing, highlighting the strong effect of surface regions in thin sections where dendrite growth ...
Sean Böhm +3 more
wiley +1 more source

