Calculate the power required per meter of width of stream to force lubricating oil through the gap between two horizontal flat plates under the following conditions: Distance between plates, 6 mm Flow rate of oil per meter of width, 100 m3h Viscosity of oil, 25 cP Density of oil, 0.88 g/cm3 Length of plates, 3 m Assume that the plates are very wide in comparison with the distance between them and that end effects can be neglected.

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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.