3.) Transport review: For steady-state flow of water in a stationary pipe of radius R, simplify the Navier-Stokes equation to a simple 2nd order ODE. Assume a pressure drop AP over the length of the pipe (L). What are two boundary conditions that can be used? Do not solve.

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Properties of Fluids

The term fluid represents a type of substance that can easily change its shape under any external pressure/force and can flow. Fluids can acquire any shape in which it is stored and can resist normal stresses but cannot resist shear stress in rest condition. Whenever external shear stress is applied to fluids, it starts to flow. The fluids may be liquid or gas. Example- water, air, etc.