Introduction to Pneumatics

The reason for using pneumatics, or any other type of energy transmission on a machine, is to perform work. The accomplishment of work requires the application of kinetic energy to a resisting object resulting in the object moving through a distance. In a pneumatic system, energy is stored in a potential state under the form of compressed air. Working energy (kinetic energy and pressure) results in a pneumatic system when the compressed air is allowed to expand. For example, a tank is charged to 100 PSIA with compressed air. When the valve at the tank outlet is opened, the air inside the tank expands until the pressure inside the tank equals the atmospheric pressure. Air expansion takes the form of airflow.

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The reason for using pneumatics, or any other type of energy transmission on a
machine, is to perform work. The accomplishment of work requires the application
of kinetic energy to a resisting object resulting in the object moving through a
distance. In a pneumatic system, energy is stored in a potential state under the form
of compressed air. Working energy (kinetic energy and pressure) results in a
pneumatic system when the compressed air is allowed to expand. For example, a
tank is charged to 100 PSIA with compressed air. When the valve at the tank outlet
is opened, the air inside the tank expands until the pressure inside the tank equals the
atmospheric pressure. Air expansion takes the form of airflow.