5. Consider two different flows over geometrically similar airfoil shapes, one airfoil being twice the size of the other

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5 Consider Two Different Flows Over Geometrically Similar Airfoil Shapes One Airfoil Being Twice The Size Of The Other 1 (49.52 KiB) Viewed 13 times

5. Consider two different flows over geometrically similar airfoil shapes, one airfoil being twice the size of the other. Also, assume that the angle of attack is the same in both flows. The airflow over the smaller airfoil has freestream properties given by T∞ = 200 K, P = 1.23 kg/m³, and V∞ = 100 m/s. The airflow over the larger airfoil is described by T = 800 K, p∞ = 1.739 kg/m³, and V = 200 m/s. Assume that the viscosity of the air is proportional to T¹/2, while the heat capacities of air is constant. Are the two flows similar? (7 points)