نتایج جستجو برای: wind data
تعداد نتایج: 2475878 فیلتر نتایج به سال:
In this paper, X-band COSMO-SkyMed© synthetic aperture radar (SAR) wind field retrieval is investigated, and the obtained data are used to force a coastal ocean circulation model. The SAR data set consists of 60 X-band Level 1B Multi-Look Ground Detected ScanSAR Huge Region COSMO-SkyMed© SAR data, gathered in the southern Tyrrhenian Sea during the summer and winter seasons of 2010. The SAR-base...
One of the most common problems in wind resource assessment is that measured data are not always available at site interest. That why, several studies, reanalysis have been used as an alternative, which, some cases, validated by data. Mexico no exception, since there many measurement towers country provide valid records throughout country. In view above, this study a comparison was made between...
Building Networks for Science: Conflict and Cooperation in Nineteenth-Century Global Marine Studies.
In the nineteenth-century globalizing world of colonial expansion and maritime trade, systematic study of ocean currents and winds became of increased concern in various seafaring nations. Both naval officers and university professors engaged in maritime meteorological and hydrographic research. In order to attract the attention of the state and obtain support for establishment of national scie...
from the mathematical point of view, the fao penman-monteith equation shows a homographic function related to the wind speed. the homographic function has horizontal and vertical asymptotes. in this issue horizontal asymptote is applicable; because the vertical asymptote occurs for negative values of wind speed but the negative sign indicates the direction of the wind speed and only the absolut...
A wind farm is a collection of wind turbines built in an area to provide electricity. Wind power is a renewable energy resource and an alternative to non-renewable fossil fuels. In this paper impact of wind farms in power system reliability is investigate and a new procedure for reliability assessment of wind farms in HL1 level is proposed. In proposed procedure, application of Fuzzy – Markov f...
Wind energy is a major source of power in over 70 countries across the world, and the worldwide share of wind energy in electricity consumption is growing. The introduction of significant amounts of wind energy into power systems makes accurate wind forecasting a crucial element of modern electrical grids. These systems require forecasts with temporal scales of tens of minutes to a few days in ...
Diagnostic Wind Model Initialization over Complex Terrain Using the Airborne Doppler Wind Lidar Data
An initialization method using airborne Doppler wind lidar data was developed and evaluated for a massconsistent diagnostic wind model over complex terrain. The wind profiles were retrieved from the airborne lidar using a conical scanning scheme and a signal processing algorithm specifically designed for the airborne lidar system. An objective data analysis method in complex terrain was then ap...
This paper tries to investigate the wind power potentiality in Bangladesh based on wind velocity data. For this purpose wind velocity data are taken for various locations in Bangladesh. From the data analysis, it is seen that the maximum wind potentiality is existing in Chittagong from the aspect of wind velocity.
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