Wind Energy

122 A.A. Cârsteanu and J.J. Castro
|v| [m/s]
5
4.5
4
3.5
3
2.5
2
1.5
1
0.5
Day
Night
0
0 500 1000
t [s]
1500
CDF
1
0.9
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0.1
0
0 0.2 0.4 0.6 0.8 1
BDC
Fig. 21.1. Absolute values of wind speed at night (starting at 1:00 a.m., marked
“Night”) and during daytime (starting at 12:00 noon, marked “Day”) on January 28,
1999 (left), and the empirical cumulative distribution functions (CDF) of breakdown
coefficients (BDC) of energy dissipation during daytime and at night (right)
21.4 Acknowledgments
The authors gratefully acknowledge SEMARNAT-CONACyT grants C01-
0615 and C01-0306, as well as NASA’s Tropical Rainfall Measurement Mission.
A kind recognition goes to the organizers of the EuroMech Wind Energy Colloquium
at the Carl von Ossietzky University of Oldenburg, Germany.
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