Table 3 Thermodynamic parameters of studied pads13.
Parameters | Cooling pads | |
|---|---|---|
Hyphaene fibers | Celdek | |
Minimum temperature from the coolers, Tout min (°C) | 20.00 | 20.50 |
Average temperature from the coolers, Tout (°C) | 21.83 | 20.92 |
Average wet bulb temperature, Twb (°C) | 17.83 | 17.42 |
Average relative humidity of wind from coolers, RHout (%) | 33.33% | 50.00% |
Moist air velocity from coolers, v2 (m/s) | 0.83 | 1.17 |
Average saturation efficiency, eff (%) | 77.57 | 79.60 |
Average mass flow rate, ma (kg/s) | 0.012 | 0.012 |
Average cooling capacity, q (kJ/s) | 0.17 | 0.17 |
Average heat transfer coefficient, hH (kW/m2 cC) | 4.70 | 4.52 |
Average Mass transfer coefficient, hM (kg/s) | 0.88 | 1.40 |
Average Coefficient Of Performance, COP | 9.04 | 6.56 |
Cost to Efficiency Ratio, CER | 5.25 | 20.73 |