Effect of ice and frost formations on drag of NACA 65(1)-212 airfoil for various modes of thermal ice protection

Vernon H. Gray, Uwe H. Von Glahn
naca-tn-2962
Jun 1953


The effects of primary and runback icing and frost formation on the drag of an 8-foot-chord NACA 65(1)-212 airfoil section were investigated over a range of angles of attack from 2 to 8 degrees and airspeeds up to 260 miles per hour for icing conditions with liquid-water contents ranging from 0.25 to 1.4 grams per cubic meter and datum air temperatures of -30 to 30 degrees F.

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