The Hydraulic Ram
المؤلف:
GEORGE A. HOADLEY
المصدر:
ESSENTIALS OF PHYSICS
الجزء والصفحة:
p-139
2025-11-09
51
is used for the purpose of raising water to a greater height than its source. The machine shown in Fig. 1 uses the water from a stream or lake to force pure spring water into an elevated tank. A is the drive pipe connected with the water supply, a few feet above the ram I. is the pure water pipe, and P is the service pipe which carries the water to the tank. The water flows in through pipes A and I, and out through the valve B, until the pressure due to the increasing velocity is enough to close B. When this valve closes, the momentum of the moving water produces what is called the " ramming stroke," which opens the valve C, and forces water into the air chamber D until the pressure of the air in P is equal to the pressure of the water in A. When this occurs, the flow through C is reversed, the valve closes, and the operation is then repeated.
Fig. 1
A proper adjustment of the quantities of water in A and I respectively must be made so as to ensure that only pure water can flow into D. If the water coming down A is pure enough to be sent into the tank, I is removed, and H is closed with a screw plug.
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