High Humidity Aerodynamic Effects Study on Offshore Wind Turbine Airfoil/Blade Performance through CFD Analysis

Table 1

Air density versus air relative humidity and its effect on power.

Temperature (°C)	Humidity (-%)	Dry air density (kg/m^3)	Effect on power (-%)	Moist air density (kg/m^3)	Effect on power (-%)
15	25	1.225	0.0	1.223	0.16
	50			1.221	0.33
	70			1.22	0.41
	90			1.218	0.57
20	25	1.204	1.71	1.201	0.25
	50			1.199	0.42
	70			1.197	0.58
	90			1.195	0.75
25	25	1.184	3.35	1.18	0.34
	50			1.177	0.59
	70			1.174	0.84
	90			1.171	1.10
30	25	1.164	4.98	1.16	0.34
	60			1.153	0.95
	70			1.151	1.12
	90			1.148	1.37
35	25	1.146	6.45	1.139	0.61
	50			1.133	1.13
	70			1.129	1.48
	90			1.124	1.92

Reference is Barani Air Density Calculator as atmosphere pressure assumed to be the same.