Type of Flow (Kinematics and Dynamics of Flow Part-1)

Uniform Flow

  • If velocity of flow at any given time does not change with respect to distance.

Non-Uniform Flow

  • If velocity of flow at any given time changes with respect to distance.

Steady Flow

  • The Flow in which characterisitics of fluid like velocity, pressure, density etc. at a point, do not change with time is called steady flow

Unsteady Flow

  • If velocity, pressure and density changes with time then flow is unsteady.

Rotaional Flow

  • If the fluid particles flowing along stream lines, also rotate about their own axis, then flow is rotational.

Irrotational Flow

  • If Fluid particles do not rotate about their own axis, then flow is irrotational.

Laminar Flow

  • The flow in which the adjacent layesrs do not cross each other and move along well defined paths.

Turbulent Flow

  • The flow in which adjacent layers cross each other and do not move along well defined path.

Compressible Flow

  • If density of the fluid varies from point to point then fluid flow is compressible flow

ρ ≠ constant

Incompressible Flow

  • If density of fluid remains constant in the fluid flow then it is incompressible flow

ρ = constant

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