A recuperation test was conducted for an open well with a diameter of 5 m. At the start of the pumping, the level of water was decreased to 3 m and then it recuperated by 1.4 m after 1.5 hours. a. What is the velocity of the water if the depression head was 4 m. b. If the yield of the well was 12 1/s, what is the optimum well diameter to maintain a depression head of 1.9 m.
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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