Compute for the head lost between the two sections of a horizontal pipe that gradually reduces from 300 mm to 100 mm diameter. The pressure at the first section is 100 kPa and 70 kPa on the second. Rate of flow of water is at 15 lit/sec. 300 mm Q = 0.015 m/s 100 mm P: = 70 kPa P: = 100 kPa
Fluid Pressure
The term fluid pressure is coined as, the measurement of the force per unit area of a given surface of a closed container. It is a branch of physics that helps to study the properties of fluid under various conditions of force.
Gauge Pressure
Pressure is the physical force acting per unit area on a body; the applied force is perpendicular to the surface of the object per unit area. The air around us at sea level exerts a pressure (atmospheric pressure) of about 14.7 psi but this doesn’t seem to bother anyone as the bodily fluids are constantly pushing outwards with the same force but if one swims down into the ocean a few feet below the surface one can notice the difference, there is increased pressure on the eardrum, this is due to an increase in hydrostatic pressure.
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