Precautions for using finned heat exchangers
Release time:
2022-09-22 17:04
Source:
The abbreviation for this type of finned heat sink is heat sink. In electronic engineering design, the product is classified as a passive cooling component. Although there are many advantages, there are also many considerations to keep in mind. Now, let me introduce whether finned heat sinks have any good characteristics. Firstly, they are made to be particularly lightweight, and the entire heat dissipation area can be expanded, which results in quite good performance. Therefore, they have gained the trust of some users and manufacturers.
This typeFin heat sinkis abbreviated as heat sink, and the product is classified as a passive heat dissipation component in electronic engineering design. Although there are many advantages, there are also many considerations to be aware of. Now let me introduce whether the fin heat sink has any good characteristics. First, it is particularly lightweight, the entire heat dissipation area can be expanded, and the effect is quite good, so it has gained the trust of some users and manufacturers.
It is safer to use fin heat sinks because they absorb the entire heat and use convection to dissipate it, determined by the surface area of the fin heat sink. The key point is that it is much better than some other heat sinks, and it is energy-saving and environmentally friendly. There are also higher requirements for the pH value of the water used. Therefore, it is essential to understand that this item is particularly prone to oxidation, which can corrode the entire heat sink and reduce its lifespan.
Generally, most of the corrosion of fin heat sinks is caused by bacteria. In such a humid environment, some bacteria will reproduce rapidly and produce a large amount of acid that severely corrodes. It should be noted that maintenance should be done after filling with water; after stopping, close the return valve and then open the air release valve. At this time, you will see air continuously being released, ensuring that the oxygen content in the heating medium is relatively low, which will improve its effectiveness.
Additionally, when using fin heat sinks, you need to understand that over time, dust or contaminants will accumulate on the surface, which is normal. Just like air conditioners can develop mold, after the start and end of seasons, you can use a small amount of soapy water, which is a neutral solvent, but do not use strong corrosive substances. Otherwise, if it hasn't corroded yet, applying this solvent could cause immediate corrosion.
Moreover, after each heater operation, you should promptly clean the dirt and sediment inside the fin heat sink to extend its overall lifespan. After stopping, carefully check if there are any leaks at the joints; if there is slight leakage, you can cover it with a towel which will absorb the water for a short period; this method works reasonably well.
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How much do you know about finned heat sinks?
The characteristics of finned heat sinks are that the fins break through the original proportional limitations, resulting in good heat dissipation effects, and different materials can be used to make the fins. The drawbacks are also quite obvious, as the heat sink and the base are bonded with thermal paste and solder, which can cause interface resistance issues that affect heat dissipation. To improve these shortcomings, two new technologies have been applied in the field of heat sinks.
Introduction to the characteristics of finned heat sinks.
The finned heat sink is a device used for electronic components that are prone to heating in electrical appliances. It is made of aluminum alloy, yellow or bronze, and comes in plate, sheet, or multi-sheet shapes. For example, the CPU in a computer requires a considerable size, and the power tubes, line tubes, and amplifier tubes in televisions all need to dissipate heat. Typically, a layer of thermal grease should be applied to the contact surface of the electronic components to more effectively conduct the heat generated by the components, which is then dissipated into the surrounding air.
Introduction to the advantages of finned heat sinks
The finned heat sink primarily achieves heat dissipation through conduction, involving dielectric heat sinks that are in direct contact with the processor. After absorbing heat, it dissipates through convection. During the convection process, the area is mainly determined by the surface area of the fins. Common methods used in the industry include: increasing the number of fins and increasing the length of the fins. One of the reflected data points is the 'thickness ratio', which is the ratio of fin thickness to its height.
Introduction to finned heat sinks
The finned heat sink primarily achieves heat dissipation through conduction, involving a medium heat sink that is in direct contact with the processor. After absorbing heat, the heat sink dissipates it through convection. In the convection heat dissipation process, the heat dissipation area is mainly determined by the surface area of the heat dissipation fins. The larger the surface area, the better the heat dissipation effect. The smaller the surface area, the worse the heat dissipation effect.
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