Mean wind speed
Homogenization of spanish mean wind speed monthly series
... Monthly mean wind speed data were gathered from all Spanish series with a minimum of 10 years of data in the period 1951-2013, resulting in the selection of 233 ...Monthly wind speed ...
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Patterns in temporal series of meteorological variables using SOM & TDIDT
... different wind directions, maximum and mean wind speed, atmospheric pressure and ...strongest wind cases with maximum wind speed greater than ...and mean ...
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New soft computing techniques in wind energy: contributions to wind speed reconstruction, prediction and wind farm design
... and wind speed prediction are ...for wind speed prediction, a lot of works can be found in the literature in which, specically, multi-layer preceptrons have been applied to estimate ...
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Towards an automatic wind speed and direction profiler for Wide Field adaptive optics systems
... smaller surfaces and increased horizontal resolution and cen- tered on the Cerro Pach´ on coordinates, up to a maximum resolution of the innermost domain ∆X = 500 m (see Fig.2 and Table1). The vertical grid remains ...
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New results on equatorial thermospheric winds and the midnight temperature maximum
... Application of the NCAR TIME-GCM model for three nights in late August when the observations indicated the ap- pearance of MTM peaks with amplitudes ranging from 75 to 150 K showed only a weak indication of the ...
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Feasibility of a Simple Small Wind Turbine with Variable Speed Regulation Made of Commercial Components
... modern speed control method for asynchronous ...shaft speed and position are estimated by measuring voltages and currents consumed by the machine and using a previously calculated mathematical model, so no ...
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Aerodynamic Analysis of Cup Anemometers Performance: The Stationary Harmonic Response
... of wind energy for modern societies is today a fact ...their wind energy sector, the consequence being that at present these new players not only show the highest figures of wind energy installed ...
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Peculiarities of the auroral emissions during substorms associated with high-speed solar wind streams
... solar wind parameters, IMF and the magnetic field are used from the WIND satellite and the IMAGE magnetometer network to determine the recurrent streams and the substorms during ...
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Consideration of tip speed limitations in preliminary analysis of minimum COE wind turbines
... rated wind speed, the tip speed limit, the design options required by the cost model, the ratio of the hub height to the rotor radius and, nally, the parameters of the probability density function of ...
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2014 AMV intercomparison study report (comparison of NWC SAF/HRW AMVswith AMVs from other producers)
... Since the triplet of images is identical, this experiment will give insight to the behavior of the various tracking algorithms. Each AMV producer has unique code to pattern-match each feature in the target image with the ...
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A Mechanistic Model to Study the Thermal Ecology of a Southeastern Pacific Dominant Intertidal Mussel and Implications for Climate Change
... The Intergovernmental Panel on Climate Change (IPCC) collected climatic data from reliable sources around the globe that show an increase in the mean surface temperature of ∼1⬚C over the last century, mostly ...
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Analysis and Visualization of Energy use for University Campus
... temperature, wet bulb temperature, dew point temperature, relative humidity percentage, wind speed and wind direction. They were able to successfully predict the chiller plant power consumption ...
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On the Analytical Approach to Present Engineering Problems: Photovoltaic Systems Behavior, Wind Speed Sensors Performance, and High-Speed Train Pressure Wave Effects in Tunnels
... 3.1. Results and Discussion. In Figure 6 a damaged anemome- ter (one cup missing) is shown, together with its calibration curves. It can be observed that the damaged rotor presents a very linear behavior and even better ...
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Penetration of marine aerosol in a tropical coastal city: Havana
... predominant wind direction. The selected area cor- responds to relatively recent building structures. All sites are located in a straight line of almost 5 km in the N direction, starting from the coastline. Site 4 ...
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On cup anemometer performance analysis and improvement: a (still) ongoing process
... Finally, the effort in the last years seems to be focused on the progressive lack of accuracy due to the anemometer wear and tear that might compromise the wind turbines’ optimal energy production [42–50]. ...
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Deviations of cup anemometer rotational speed measurements due to steady state harmonic accelerations of the rotor
... 237 similar figures when compared to the calculations made with the 238 18 terms from Table 1, see Fig. 5. Therefore, it is possible to say that 239 the contribution to the error due to the sampling period depends 240 ...
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Pollutant concentrations and Meteorological data classification by Neural Networks
... were Wind Speed, Temperature and Relative Humidity, creating 6,480 four dimensional pattern vectors Xi, for the S02 set pollutant (Xso2), as is shown in Table ...
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Fog collection and its relationship with local meteorological variables in a semiarid zone in Chile
... Figure 7 displays the mean diurnal cycle of tem- perature and RH in winter and summer. As it can be observed, and similarly to the monthly mean values, the STDs of both variables are larger in winter than ...
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A Low Cost, Low Speed Wind Tunnel For Dynamic Stall Measurement
... for wind turbine applications, a new experimental facility (CCB6 wind tunnel) specifically devoted to this application has been ...low speed wind tunnel which can be easily adapted to a wide ...
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Recent trends in wind speed across Saudi Arabia, 1978–2013: a break in the stilling
... standard deviations. Figure 2(a) shows a histogram of the number of stations that have been found homogeneous (seven stations) or have suffered a different number of splits (up to eight in one station) because of the ...
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