Industry News

Air-cooled radiator

2024-06-20

I. Concept

Air-cooled radiators, as the name implies, are used to cool equipment by wind. It is a commonly used heat dissipation equipment, usually through the heat sink, fan and other components of the equipment internal heat dissipation to the external air.

2. Structure

Air-cooled radiator is mainly composed of two parts: radiator and fan. The heat sink is the main heat dissipation component, usually made of metal material. Its surface is designed with a large number of fins, which can expand the surface area and enhance the heat dissipation effect. The fan is an accessory of the heat sink, which improves the efficiency of heat transfer by drawing in external air and forming forced convection.


3. Principle

The heat dissipation principle of air-cooled radiators can be divided into two kinds, one is natural convection, the other is forced convection.

1. Natural convection


Natural convection refers to the heat sink surface, the formation of hot air flow, so that hot air up, cold air down the process. Through this process, heat can be naturally transferred to the outside air. The heat dissipation effect of natural convection is relatively poor, but it is also a common way of heat dissipation.

2. Forced convection

Forced convection is the process of forcing the outside air to blow into the radiator through the fan, forming a forced convection. This heat dissipation mode can effectively improve the heat dissipation efficiency and ensure the stable operation of the equipment. Forced convection has a relatively good heat dissipation effect, but it also produces some noise.


In short, air-cooled radiator is an important heat dissipation equipment, which can dissipate the heat generated by the equipment to the external air through natural convection, forced convection and other ways to ensure the normal work of the equipment.

First, the advantages of air cooling radiator

1. Good heat dissipation effect: the air-cooled radiator adopts the principle of fan heat dissipation, which can quickly distribute heat to the external environment, so as to maintain the stable operation of the hardware.


2. Simple installation: the air-cooled radiator does not have the water system of the water-cooled radiator, so the installation is relatively simple and convenient, avoiding the water leakage of the water-cooled radiator and other problems.

3. Low maintenance cost: compared with water-cooled radiators, air-cooled radiators do not need to replace the coolant regularly, and the maintenance cost is relatively low.


4. Low price: Air-cooled radiators are more competitive on price than water-cooled radiators due to lower production costs.

Two, the shortcomings of air cooling radiator

1. Loud noise: fans need to be used when air-cooled radiators dissipate heat. The noise is relatively large, which may not be applicable to users with high noise requirements.

2. Limited heat dissipation: because the heat dissipation process of air-cooled radiator depends on the external environment, the heat dissipation effect will be affected when the ambient temperature is too high.


3. Heat dissipation performance can not be greatly improved: compared with water-cooled radiators, the heat dissipation performance of air-cooled radiators can not be greatly improved, and the heat dissipation effect of water-cooled radiators can not be achieved.

Three, and the difference between water cooling radiator

1. Heat dissipation performance: because water cooling radiator generally adopts water system for heat dissipation, the heat dissipation performance is relatively good, which can meet the high load of computer operation.

2. Noise: Water cooling radiator does not need to use fans, the noise is relatively low, suitable for users with high noise requirements.

3. Price: compared with air-cooled radiators, water-cooled radiators have higher production costs and relatively higher prices.

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