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Essay On Fluid Pressure

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Pressure is defined as force per unit area. It is usually more convenient to use pressure rather than force to describe the effects upon fluid’s behavior. The SI unit for pressure is Pascal(pa), which is Newton per square meter.

Pressure=Force/Area

Fluid pressure occurs in one of the two situations: an open condition (open channel flow) : the ocean, a swimming pool, or the atmosphere. a closed condition (closed conduit) : a water line or gas line.

Fluid pressure can be affected by gravity, acceleration, or forces exerted on the container. Since a fluid has no definite shape, its pressure applies in all directions. Fluid pressure can also be amplified through hydraulic mechanisms and changes with the velocity of the fluid. In daily lives, fluid pressure is used in all car brakes (hydraulic brake) by it, we only have the need to apply small force in order to stop a car.

A hydraulic power network is a system of interconnected pipes carrying pressurized liquid used to …show more content…

Water-based fluids are used for fire-resistance due to their high-water content. They are available as oil-in-water emulsions, water-in-oil (invert) emulsions and water glycol blends. Water-based fluids can provide suitable lubrication characteristics but need to be monitored closely to avoid problems. Because water-based fluids are used in applications when fire resistance is needed, these systems and the atmosphere around them can be hot. Elevated temperatures cause the water in the fluids to evaporate, which causes the viscosity to rise. Occasionally, distilled water will have to be added to the system to make the fluid balanced. Whenever these fluids are used, several system components must be checked for compatibility, including pumps, filters, plumbing and many more. Water-based fluids can be more expensive than conventional petroleum-based fluids and have other disadvantages (for example, lower wear resistance) that must be weighed against the advantage of

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