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Flow-Past-Through-Submerged-Body

Water flows over 0.3 m long nad 0.1 m wide flat plate at 15 m/s parallel to it. Calculate
  • drag force on that portion of plate over which boundary layer is laminar.
  • total drag force on both sides of plate.
Take `rho=998` kg/`m^3` and `mu= 10^(-6)` `m^2`/s. [2074-Chaitra ][8]

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An aircraft weighing 1000 KN when empty has a wing area of 220 `m^2`. It is to take off at a velocity of 300km/hr and a `20^0` angle of attack. Determine the allowable weight of cargo and power required for the engine. Take density of air as 1.2 kg/`m^3`. Assume the coefficient of lift for the wing at `20^0` angle of attack as 1.42 and coefficient of drag as 0.17.

Water flows over 0.3 m long nad 0.1 m wide flat plate at 15 m/s parallel to it. Calculate
  • drag force on that portion of plate over which boundary layer is laminar.
  • total drag force on both sides of plate.
Take `rho=998` kg/`m^3` and `mu= 10^(-6)` `m^2`/s.

Distinguish between pressure and friction drag. Explain with sketches, why airfoil is designed as a streamlined body.

Water flows over 0.3 m long nad 0.1 m wide flat plate at 15 m/s parallel to it. Calculate the drag force on that portion of the plate over which the boundary layer is laminar. the total drag force on both sides of the plate. Take `rho=998` kg/`m^3` and `mu= 10^(-6)` `m^2`/s.

Flow Past Through Submerged Body

Fluid-Mechanics