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Magnus effect (2)
A infinitely long rotating cylinder (R = 1.1 m) is placed in a free-stream flow (VO = 15 knots) of water. The cylinder is rotating at 45 rpm and the ambient pressure far away is 1.1 E+5 Pa.
(a) Calculate and plot the pressure distribution on the cylinder surface.
(b) Find the maximum and minimum pressures on the cylinder surface.
(c) Find the location θ where the pressure on the cylinder surface is the fluid pressure far away from the cylinder.
For the friction coefficients πs = 0.25 and πk = 0.20, calculate the acceleration of each body and the tension T in the cable. Neglect the small mass and friction of the pulleys.
Calculate the size of an anaerobic digester required to treat the sludge from a primary clarifier designed to treat 38,000 m3/d of sewage. The quantity of dry volatile solids removed by the plant is 0.15 kg dry solids/m3 sewage. The sludge contains 9..
What is the composition of this last remaining liquid phase?
If a cylinder of A-36 steel 1 foot long with a diameter of 1 inch is wedged tightly between two immovable isothermal walls and the cylinder is heated from RTt to 300 c what will happen?describe, do not use an equation
could you please help me to figure out what the meaning of steady state in the pavement management system preservation and rehabilitation.
The radius of gyration of the torso about O is ko If the car is brought to a sudden stop with a constant deceleration α, determine the velocity v relative to the car with which the model's head strikes the instrument panel. Substitute the values m..
design a cylindrical composite column consisting of some steel rods, and also wrapped in nano-fiber material. The column must support a compressive axial force of 500 kips. The columns length is 5 ft.
A 5000 lb truck is being used to lift a 1000 lb boulder B that is on a 200lb pallet A. Knowing the acceleration of the truck is 1ft/s^2, determine a) the horizontal force between the tires and the ground, b) the force between the boulder and the p..
estimate the concentration and the mass emission rate of NOx if a coal containing 1.5% nitrogen is combusted at 1400 k using an air/fuel ratio that is 1.5 times the stoichiometric ratio.
A firm is deciding wheter to buy or rent equipment. How many days would they need to use the equipment each year to justify purchasing the equipment? To purchase equipmet/ Buy at $60,000
Peg P is driven by the fork link OA along the curved path described by r = (2*theta) ft. At the instant theta = pi / 4, the angular velocity and angular acceleration of the link are (theta-1dot) = 3.0 rad/sec and (theta-2dot) = 1.1 rad/sec^2
A stream conveying a flood peak of 50 m3/s (velocity 1.25 m/s and depth 1 m) is divided into 1 km long reaches for solution of the unsteady equations. Determine the largest value of ft for which the solution will be stable.
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