Hydraulic Ram Pump
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Product Description
HYDRAULIC RAM PUMPING USING WATER HAMMER
Abruptly Interrupting the water flow can cause water hammer in the pipeline. This gene rally undesired effect Specifically used in special equipment (hydraulic ram) to raise water to a higher level. Unlike conventional pumps, no additional mechanical drive is required here. Used to demonstrate the formation and effect of water hammer and to study how a hydraulic ram works. The water is fed to the ram via a long pipe at a gradient.
Above a certainement water velocity the waste valve in the ram closes automatically, due to the flow forces. Suddenly this happens, the kinetic energy of the water in the pipe is converted into potential pressure energy. The pressure opens a check valve and the water flows into an air vessel. The air cushion in the air vessel dampens the water hammer and Ensures a uniform lift into the elevated tank. After the water hammer HAS subsided, the waste valve opens due to the deadweight, the water in the pipe starts to flow again and the process repeats itself.
The operation of the waste valve as a function of the weight load, the valve lift and the flow rate is Studied. Further More, it is possible to shown how the volume of air in the air vessel affects the lift.
Valves are used to adjust the flow rate. Transparent tank, a visible check valve in the air vessel and the visible movement of the waste valve all permit excellent observation of the function. All components are Clearly mounted on a front plate.
The water is oversupplied and flow rate Measured by the base module, Alternatively, the experimental unit can be operated by the laboratory supply.
The well-structured instructional material sets out the fundamentals biedt a step-by-step guide through the experiments.
Learning Objectives / Experiments
- Demonstrate formation and effect of water hammer
- Principle of a ram
- Function of an air vessel
- Effect of air volume in the air vessel and the flow velocity on the pump behaviour
- Efficiency analysis
Specification:
- Formation and effect of water hammer
- Pumping using water hammer
- Fixed overflow tank is used as a water source, e.g. river, pool
- Elevated tank with variable pump head
- Waste valve with adjustable lift, closes cyclically due to flow force of the water
- Tank with check valve and air volume is used as an air vessel
- Air volume in the air vessel is varied by vent valve
- Flow rate measurement using base module
- Closed water supply using base module or via lab supply
Technical Data:
- Ram
- Max. head 0,27m
- Max. flow rate: 90L/h
Dimensions and Weight:
- LxWxH: 1190x680x1520mm
- Weight: approx. 65kg
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