A freshwater boat of mass 400 kg is supported by a rectangularhydrofoil of aspect ratio 8, 2 percent camber, and12 percent thickness. If the boat travels at 7 m/s and α = 2.5°,estimate (a) the chord length, (b) the power required ifCD∞ = 0.01, and (c) the top speed if the boat is refitted withan engine that delivers 20 hp to the water.

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Applied Fluid Mechanics

A fluid is a substance that is continuously deformed by the application of shear stress. The rate of deformation of a fluid depends on its viscosity. The fluid tries to flow when it interacts with some other system.