Question: What thrust is obtained from a propeller 3 m in diameter that has the characteristics given in Fig. 14.3 when the propeller is operated at

What thrust is obtained from a propeller 3 m in diameter that has the characteristics given in Fig. 14.3 when the propeller is operated at an angular speed of 1400 rpm and an advance velocity of 80 km/h? What power is required to operate the propeller under these conditions? Assume ρ = 1.05 kg/m³. 0.06 60 0.05 50 0.04 40 0.03 0.02 20 Cp 0.01 10

0.06 60 0.05 50 0.04 40 0.03 0.02 20 Cp 0.01 10 0.1 0.2 0.3 0.4 0.5 nD Cpand Cr Efficiency, percent

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