An Effective Approach for Uncertain Aerodynamic Analysis of Airfoils via the Polynomial Chaos Expansion

Table 2

Random variables for uncertainty aerodynamic analysis of the NACA 63-215 airfoil.

Random variables	Symbol	Distribution	Mean	COV
Wind velocity (m/s)		Gaussian	20	0.05
Air density (kg/m)	ρ	Gaussian	1.225	0.05
Viscosity parameter (cP)	ν	Gaussian		0.05