We reseached about the Hydraulic Digger.

1. The oil temperature is greatly affected by the ambient temperature, and the change of oil temperature causes the change of oil viscosity, which affects the operation.

2. Troublesome piping, easy leakage.

3. It is not suitable for generating various operations on the signal (such as signal amplification, memory, logical judgment and other operations).

4. Sensitive to temperature changes.

This is a Non experimental Project so we built a model of the digger we understand that it uses big syringes.

The hydraulic system consists of five elements: the driver, the pump, the control valves, the motor, and the load. The engine may be an electric motor or an engine of any type. The pump acts mainly to increase pressure. Hydraulic systems consist of numerous parts. The electric motor powers the hydraulic pump. The reservoir holds hydraulic fluid. The hydraulic pump pushes the fluid through the system and converts mechanical energy into hydraulic fluid power. The valves control the flow of the liquid and relieve excessive pressure from the system if needed.The hydraulic cylinder converts energy back into mechanical energy

 Pascal’s Principle,the backbore of fluid - mechanics was discovered in 

1663 and published by Blaise Pascal. According to it, if the pressure changes at any point in the Hydraulic fluid, the energy will be transmitted equally in all directions. When you apply pressure on the fluid, it be distributed equally undiminished. The fluid pressure will be equal in all the parts of container.

It’s hard to determine who exactly invented the Hydraulic systems. Hydraulic systems have been created from the work of great minds like Leonardo da vinci, Galileo Galilei, Blaise Pascal, and Joseph Bramah, to name a few. Hydraulics found its place in the modern world during the industrial revolution offering wide - reaching and effective applications.

Non experemetel

As you can see in the demonstration the incompressibility of liquids which enables greater power transfer with increased efficiency in powerful machines like cranes , forklifts  that are used for a wide range of applications. When compared to mechanical compression machines, hydraulics takes less space.

https://www.slideshare.net/AyushAgrawal29/application-of-pascals-law-in-the-working-model-of-fouraxis-hydraulic-jcb-using-syringe

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