Sentence examples for minimum clearness index from inspiring English sources
Furthermore, the values of the minimum clearness index (0.12 0.24) for Ilorin are noticed to be much higher than the generally accepted value of 0.05 for overcast sky conditions.
An empirical expression relating monthly maximum clearness index (Kmax) and the monthly average clearness index (KT) is presented and recommended for tropical locations.
Bristow and Campbell (1984) expressed the relationship between clearness index ((HH_0)) and difference of maximum and minimum air temperatures ((T_{mathrm{max}}) and (T_{mathrm{min}}), respectively) (Delta T) as: frac{H}{H_0} = aleft[ 1-hbox {exp}left( -b Delta T^{mathrm{c}}right) right] (6 where a, b, c are empirical coefficients to be found.
The annual average of clearness index for Qatar from ground measurements is 0.64, indicative of clear-sky conditions most of the year.
Monthly average daily clearness index.
Daily clearness index data from year 2004 are used.
Daily clearness index on 4 September 2004 is shown.
Figure 1 shows the daily clearness index on 4 September 2004.
The daily clearness index is used as input for the network design algorithms.
Firstly, two models were used to calculate values for the erythemal ultraviolet irradiance clearness index (KtUVER) as a function of the global irradiance clearness index (Kt).
