Aircraft propeller specialists claim that dimensionless propeller data, when plotted as
Chapter 11, Problem p11.58(choose chapter or problem)
Aircraft propeller specialists claim that dimensionless propeller data, when plotted as (CT/J2 ) versus (CP/J2 ), form a nearly straight line, y 5 mx 1 b. (a) Test this hypothesis for the data of Fig. 11.16, in the high effi ciency range J 5 V/(nD) equal to 0.6, 0.7, and 0.8. (b) If successful, try this straight line to predict the rotation rate, in r/min, for a propeller with D 5 5 ft, P 5 30 hp, T 5 95 lbf, and V 5 95 mi/h, for sea level standard conditions. Comment
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