Air compressors work in a way that they increase how much air is available in a defined space. They pack in the air, this increases the air pressure and then a force is produced which can be used in a manner of ways, from manufacturing to within industry to commercial and personal uses.
If you think of your lung as being a compressor, this is a good analogy as they both work in the same way. So when you take a deep breath, the amount of air pressure in your lungs is increased and this acts as a compressor containing pressurised air. This built-up pressure can then be used as force to blow out a flame, for example.
Man made compressors of air fall into two categories, positive displacement or dynamic and each have been given a naming convention which relates to the way they operate. A positive displacement air compressor operates by filling up the air compartment and then releasing it. Within this category there are three major types of positive displacement ones and these are reciprocating, rotary screw and rotary sliding vane. A dynamic air compressor uses a different method to operate as a rotating device, this is the method used to accelerate the air and then decelerate it. The speed at which the air is travelling is used as the force this time and helps to build up the air pressure. If you have heard of a centrifugal, this is a type of dynamic compressor.
Compressed air can be used in many different ways, from personal and commercial through to within industry. They are extremely useful for plant maintenance in confined areas and for pneumatic air tools which utilise the compressor effectively.
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