A 295.15K fluid with a density of 990 kg/m^3 and a viscosity of 4.6 kg/m. s, passes at a speed of 0.75 kg/s through a stainless steel pipe with an internal diameter of 64 mm. a) Calculate the Reynolds number and determine the flow regime. b) Calculate the velocity of the flow in m^3/s necessary for a Reynolds number of 2300 and the velocity in m/s.

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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.