| Mean wind speed [m⁄s] |
| Wind speed [m⁄s] |
| Shape parameter at 10 m height agl [-] | N | Number of wind speed data |
| Shape parameter at z meters height agl [-] | v | Wind speed [m⁄s] |
| Standard deviation of the mean wind speed [m⁄s] | n | Power law exponent [-] |
n | Useful lifetime of WT in years (20 years) [year] |
| Cut-in wind speed [m⁄s] |
| Water pumping capacity rate [m4⁄h] |
| Rated wind speed [m⁄s] |
| Measured wind speed [m⁄s] |
| Cut-off wind speed [m⁄s] |
| Standard deviation of the mean measured WS [m⁄s] |
| Rated electrical power [kW] |
| Satellite-derived wind speed [m⁄s] |
| Average power output [kW] |
| Standard deviation of the mean satellite-derived WS [m⁄s] |
| Volumetric flow rate (m3⁄day) |
| Probability of observing wind speed v |
| Water density [kg⁄m3] |
g | Acceleration due to gravity[m⁄s2] |
| Mean value of |
C | Weibull scale parameter [m⁄s] | H | Pump head [m] |
k | Weibull shape parameter [-] |
| System efficiency [-] |
| Energy pattern factor [-] | PVC | Present value of costs [XAF] |
MBE | Mean Bias Error [-] |
| Efficiency of the pump [-] |
RRMSE | Relative root mean square error [%] |
| Net hydraulic power output [kW] |
R² | Coefficient of determination [-] | I | Investment cost [XAF] |
| ithCFD of ground (measured) wind speeds | io | Nominal interest rate [%] |
| ithCFD of satellite-derived wind speeds | S | Scrap value [%] |
| Operation and maintenance costs [%] | I | Inflation rate [%] |
N | Number of non-zero wind speed data points | r | Discount rate [%] |
| Scale parameter at 10 m height agl [m⁄s] | COE | Cost of energy [XAF/kWh] |
| Scale parameter at z meters height agl [m⁄s] | COW | Cost of water [XAF/m3] |
| Total energy output over the WT lifetime [kWh] | IOA | Index of Agreement |
| Annual volume of water [m3/year] | RMSE | Root mean square error [-] |