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Flow-Past-Through-Submerged-Body

A 2mm diameter spherical ball of unit weight 117.5 KN/`m^3` is dropped in a mass of fluid of viscosity 15 poise and specific gravity 0.95. Find out drag force, skin drag and terminal velocity of ball. [2068-Chaitra ][8]

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This Chapter Flow-Past-Through-Submerged-Body consists of the following topics

Define aerofoil with accepted terminology with neat sketch. A kite which may be assumed to be a flat plate and mass 1 kg soars at an angle to the horizontal. The tension in the string holding the kite is 60N when the wind velocity is 50 km/hr horizontally and angle of string to the horizontal direction is `35^0`. The density of air is 1.2 kg/`m^3`. Calculate the drag coefficient for the kite in the given position if the lift coefficient in the same position is 0.45. Both coefficients have been used in the full area of the kite.

A 2mm diameter spherical ball of unit weight 117.5 KN/`m^3` is dropped in a mass of fluid of viscosity 15 poise and specific gravity 0.95. Find out drag force, skin drag and terminal velocity of ball.

A jet plane having a wing area of `30 m^2` and weighing 28 KN flies at 900 km/hr. The engine develops 8000 KW and has a mechanical efficiency of 70%. Determine the lift and drag coefficient for the wind taking density of air as 1.2 kg/`m^3`.

A 2mm diameter spherical ball of unit weight 117.5 KN/`m^3` is dropped in a mass of fluid of viscosity 15 poise and specific gravity 0.95. Find out drag force

skin drag and terminal velocity of ball.

Flow Past Through Submerged Body

Fluid-Mechanics