2. Suppose you wish to use a spinning cylinder to create lift for an aircraft. A cylinder of radius r and rotates with angular velocity . If the cylinder is traveling with velocity Vo, find an expression for the lift generated per unit length in terms of these quantities and the density, p. Find the angular rate required (in radians/s and in rpm) for the cylinder to lift a small aircraft with m = 1100 kg, Voo = 120 kt, r = 1 m, and p = 1.0 kg/m³. The "wing span" is 8 m.

2. Suppose you wish to use a spinning cylinder to create lift for an aircraft. A cylinder of radius r and rotates with angular velocity . If the cylinder is traveling with velocity Vo, find an expression for the lift generated per unit length in terms of these quantities and the density, p. Find the angular rate required (in radians/s and in rpm) for the cylinder to lift a small aircraft with m = 1100 kg, Voo = 120 kt, r = 1 m, and p = 1.0 kg/m³. The "wing span" is 8 m.

Principles of Heat Transfer (Activate Learning with these NEW titles from Engineering!)

8th Edition

ISBN:9781305387102

Author:Kreith, Frank; Manglik, Raj M.

Publisher:Kreith, Frank; Manglik, Raj M.

Chapter5: Analysis Of Convection Heat Transfer

Section: Chapter Questions

Problem 5.5P: Evaluate the dimensionless groups hcD/k,UD/, and cp/k for water, n-butyl alcohol, mercury, hydrogen,...

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