Ice Prevention on Aircraft by Means of Engine Exhaust Heat and a Technical Study of Heat Transmission from a Clark Y Airfoil (1933)
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close to the leading edge. The Apparatus and methods.—To determine the quan- ideal angle of attack is defined as the angle at which tity of heat necessary to maintain the surface of an no pressure difference exists at the leading edge. airplane wing at a temperature sufficient to prevent If the… … Figure l.—Model for experiments on heat trs msnnssmn to 0.85tf at 100 miles per hour. The adiabatic tem- mission around the surface of an airfoil, tests were perature drop on the upper surface is thus of the order made on a heated model in a wind tunnel. of 1° F. This temperature drop thus occurs…
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