Centrifugal Compression

What is Centrifugal Compression?

Centrifugal compression, at its most basic level, is accomplished in two steps. First, air is aerodynamically accelerated to a high velocity, creating dynamic pressure. Second, the air goes through a diffusion process where its velocity is reduced and the dynamic pressure converted to static pressure.

For clarity’s sake, dynamic pressure is felt while flying a kite. The force exerted on the string is, in part, a by-product of the wind’s velocity. This force is felt even though the static pressure of the air surrounding the kite (also known as barometric pressure) is the same as that surrounding the person holding the string.

Static pressure is a more common term and is easily measured with a pressure gauge such as you would measure the tire pressure on your car. Diffusion most commonly occurs by increasing the passage area the air is traveling through. Aerodynamic compression, the basis for Inovair Turbo Blowers, is used throughout various industries because these systems are very energy efficient, have fewer rubbing parts and allow the designer to optimize the flow vs. pressure relationship for a specific blower application.

The centrifugal design is also considerably more forgiving to media ingestion due to the mechanical differences when compared to a typical positive displacement system.

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