Wind Engineering
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Desalination by Wind Power
Wind Engineering - Tập 28 Số 4 - Trang 453-463 - 2004
Since energy requirements for desalination processes are large, the energy
supply in remote areas is a problem, especially if electricity is required. The
status and perspectives of development of wind-powered desalination are reviewed
in this paper. Desalination processes suitable for coupling to wind turbines are
reverse osmosis (RO), mechanical vapour compression (MVC) and electrodialysis
(ED)....
A Preliminary Investigation of Low-Cost SODAR Anemometry
Wind Engineering - Tập 27 Số 4 - Trang 285-297 - 2003
This preliminary research examined the applicability of Mini Doppler SODAR (MDS
– sonic detection and ranging) for wind characteristics assessment of a
potential wind farm. The wind characteristics obtained from the MDS were
compared with those from standard anemometers on a 70 m high observation tower
located near the MDS on relatively flat terrain. The wind speed and direction
data recorded from...
Optimisation of Self-Supporting Towers for Small Wind Turbines
Wind Engineering - Tập 34 Số 5 - Trang 561-578 - 2010
Small wind turbines have the potential to provide a significant amount of useful
electricity; particularly in urban areas where it is necessary to use
self-supporting monopole towers. Their take-up can be increased by reducing
tower costs. The numerical optimisation technique called differential evolution
(DE) was used to design a minimal mass self-supporting tower for a 5 kW wind
turbine, whilst ...
Analysis of Force-Capping for Large Wind Turbine Rotors
Wind Engineering - Tập 39 Số 2 - Trang 213-228 - 2015
A standard design procedure is to optimise wind turbine rotors for maximum power
coefficient within a specified range of wind speeds, up to the rated wind speed.
The downwind thrust force upon the rotor is greatest at this design condition.
Reacting large forces using cantilever beams necessitates high material costs
for the blades, tower and foundations. This paper shows that limiting the
maximum...
Analytical Formulae for Wind Turbine Tower Loading in the Parked Condition by Using Quasi-Steady Analysis
Wind Engineering - Tập 38 Số 3 - Trang 291-309 - 2014
The analytical formulae are proposed to estimate the maximum value for
along-wind load and across-wind load on the wind turbine towers by using the
quasi-steady analysis. The critical parameters in the standard deviation such as
the mode correction factors, aerodynamic damping ratios, size reduction factors
and wind load ratios are investigated to identify their directional
characteristics. A non-...
Design Procedure for Tubular Lattice Towers for Small Wind Turbines
Wind Engineering - Tập 38 Số 4 - Trang 359-376 - 2014
Despite having been used for a long time, tubular lattice towers with three or
four legs have not been systematically analysed for use with small wind
turbines. We present a design procedure based on modelling the towers as either
tripods or quadrapods to allow analytic approximations to the tower stresses.
Following the IEC standard for small wind turbine design, the critical load
occurs at the 5...
Wind Regime and Wind Power in North Patagonia, Argentina
Wind Engineering - Tập 24 Số 5 - Trang 361-377 - 2000
The present paper discusses wind and wind power characteristics in a region
north of 40° S (North Patagonia, Argentina) as well as wind power projects
sustainability. Extreme wind episodes influence most economic and social
regional activities. Mean flow pattern was studied in three North Patagonia
sites: Neuquén, Mari Menuco and Cutral-Có, by sampling analysis of wind
direction and intensity duri...
Assessing Avian-Wind Turbine Collision Risk: An Approach Angle Dependent Model
Wind Engineering - Tập 35 Số 3 - Trang 289-312 - 2011
A site specific model of avian-turbine collision risk is an important component
of assessing environmental impacts from wind power projects. Existing models
assume, however, that avian flight paths are either parallel or perpendicular to
the turbine orientation and that other orientations do not significantly affect
the predicted collision probability. We describe a mathematical model which
estima...
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