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Hydraulic systems are used to refer to drive technologies that make use of the power of fluid dynamics, utilising the pressure of transporting stored fluid to get work done. Such systems are employed in heavy construction vehicles very often. There are many other applications of hydraulics listed below. An analogy used to understand the world of electricity is the hydrology analogy, where the components of a hydraulic system are compared with that of an electrical circuit to establish similarities between the two.
Hydraulic Systems
Hydraulic systems are, in general, as the name suggests, a technology being used to transport liquid, using the energy driven by its pressurisation, to get some work done. Another way to say the same thing is that pressurised fluid makes things work.
Heavy construction vehicles are a common example of the hydraulic system, where hydraulic fluid is pumped to hydraulic motors and cylinders, which becomes pressurised due to the present resistance. The flow of the fluid is controlled directly or automatically by the use of control valves and is distributed through hoses, tubes or pipes.
Harry Franklin Vickers is called “The Father of Industrial Hydraulics” by the American Society of Mechanical Engineering.
Hydraulic machinery is so popular because of the fact that a large amount of power can be transferred through small tubes and hoses. The hydraulic fluid used is theoretically incompressible, and the path of the fluid can be as flexible as that of an electric cable.
What Is A Hydraulic System Used For?
Hydraulic systems mainly come in use at places where a high power density is needed, or the load requirements change rapidly. Examples of such systems are excavators and presses. In wind turbines as well, hydraulics is used for pitch and brake control.
The primary reason for using hydraulics is the high power density and that only a few components can be employed to run complex and fast-moving machines with a high degree of safety.
Hydraulic Circuits
Hydraulic circuits are a set of interconnected discrete components serving as a system that can control where the fluid flows(like thermodynamic systems) and also control the fluid pressure (hydraulic amplifiers).
Hydraulic machinery uses hydraulic circuits to move heavy loads, wherein hydraulic fluid is pushed under pressure through hydraulic pumps, hoses, tubes and hydraulic motors and cylinders.
Hydraulic Analogy
The hydraulic analogy is the most widely used analogy for electron fluid in a metal conductor. The electronic-hydraulic analogy is a very useful tool for teaching and understanding how circuits work. Electricity was originally understood to be a kind of fluid. So hydraulics which have pressure systems, are related to the electron flow in wires and cables, relating the two.
Conclusion
The term “hydraulic analogy” refers to an attempt to make a connection between hydraulics and electrical concepts. That was the sole focus of the article. Hydraulic systems and their applications were discussed in this article.
