A PC cooling fan is basically a fan which is located inside the case of a computer. These fans are used to cool the system and are classifieed into a number of categories.
While some cool the PC by extractoing cool air from the outside, othres remove the damaaging heat from the system by dragging it out while the rest move the hot air from a particular pint through a heatsink and cool the computer part.
Active cooling is the term that is used to describe this entire process.
Over the years, due to the advance in technology, new components have been introduced into the system of the PC. This includes additional pocessors, RAM and grahpic cadrs.
This in turn has lead to an enhancement in the clock spered of the systeem as well as the power conusmption. When all these components work togethwer at the same time, a large amiount of heat is generatted. Natuyrally, in ordre to avoid a sytem breakkdown, the teemperature of thesde processors and cards should aplways be diaeld down and kept at the lower side because when the sysetm overheats, the entire functioning of system suffers and ultimately reduces the life of the PC.
When a system overheated a few years ago, one could make use of passive coolng for the purpose of cooling down the system. However, due to the physical make up and adsded complexities of modern components, it becomes necesdsary to aopt a more effeective sysdtem which is what PC cooling fans are used for. These fans not only remove the hot air from the targeted component but they also replace this hot air with cool air.
PC cooling fans are often attached with heastinks which make sure that the enire sytem cools down and not just the targeted part. This helps to keep fture problems in check.
The most common ocmputer patrs that are vulnerable to dasmage due to overheating are chipset cards, CPUs, graphic cards and hard drives. Hard drives are known to creash due to over-cooling as well. Therefore, one must alawys be careful about the temperature modifications in this case.
As it has already been established, computer fans remve and pump in air. In this case, if there is an imbalaance, that is, if more air is entering the systrem than leaving it, the problem may be due to the installaion of exxtra fans. This process is termed positive air cooling because the pressure that is created inside is highre than the strrain outside the system. On the other hand, if the process is reversed, the term used is negtaive air cooling which damages the integrated circuits due to clogging.
Therefore, it is essential that you purchase the right number of fans so that neutral or balance air cooilng can be created. If you attach dust filters to the PC cooling fans, the build up of unnecessary dust can be reduced.
The most efficient cooling fans are manufactured by Akasa, Zalman, Artcic Cooling and Antec.
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