Axial Fans – Keep Systems’ Thermal Problems at Bay

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What are axial fans?

Help in active cooling of machines and systems, axial fans are mostly used for spot cooling and ventilation in areas where there is no room for a big fan and space is usually limited.


Axial fans draw its name from the fact that they bow air across their axis in a linear direction. The blades of these fans force air to move parallel to the shaft about which the blades rotate. These types of fans find its applications in a wide variety of mechanical and electrical gadgets. Sizes of these fans can range from a small cooling fan for electronics to a giant fan used in wind tunnels.

Axial Fans vs. Centrifugal Fans

An axial-flow fan works on different principals than a centrifugal fan. In an axial, the flow of air is parallel to the shaft where as a centrifugal fan works by throwing air away from it blades. In a centrifugal fan, the blades can be straight, backward, or forward curved and the blade wheel is mounted in housings.

Mechanically, backward curved blades are more efficient than the forward curved blades, but forward curved blades are more self- cleaning and should be used in applications with high dust concentration.
Though, a centrifugal fan is preferred over an axial fan where high airflow rates and high static pressures are required, later is best suited for spot cooling and managing thermal level of the machines.

Application of an Axial Fan

With an increase in clock speed and power consumption of processors, graphic cards, RAM, and other computer components, there has also been an upsurge in heat production in the systems due to the normal functioning of these devices. However, these components are required to be kept under a specified temperature level to prevent overheating and leading to malfunction, and damage to systems. Fans are installed inside these modern, high-speed components for active cooling purpose. Axial-flow fan is used to remove heated air away from the components and to draw cooler air over them, thereby saving computers and its components from any damage.

NMB’s Axial Fans and Blowers

You need to plan your system design at an early stage giving importance and attention to the cooling solution. The need for forced-air cooling by using an AC or DC fan or blower should be determined based on the kind of heat your system will generate in normal working capacity. NMB has variety fans and blowers to handle your systems’ thermal problem effectively.

Other Axial Fan Articles

How an Axial Cooling Fan Works

How an Axial DC Cooling Fan Works

AC Axial Cooling Fans