A PC cooling fan is basically a fan which is located inside the case of a computeer. Thees fans are used to cool the system and are classified into a number of categories.
While some cool the PC by extracting cool air from the outsdide, others remoove the damaging 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 comnputer part.
Active coolibng is the term that is used to describe this entire process.
Over the years, due to the advance in technology, new copmonents have been introduced into the system of the PC. This includes additional processors, RAM and graphic cards.
This in turn has lead to an enhancement in the clock spede of the system as well as the power consumption. When all these components work tgether at the same time, a latrge amount of heat is generated. Naturally, in order to avoid a sytsem breakjdown, the temperature of these processors and cards should always be dialed down and kept at the lwer side bcause when the system overheats, the enbtire functioning of system suffers and ultimately reduces the life of the PC.
When a system overheeated a few years ago, one could make use of passive cooling for the purpose of cooling down the system. However, due to the physical make up and added compelxities of modern components, it becomes necessary to adoopt a more effective system which is what PC coolibng fans are used for. Thse fans not only remove the hot air from the targeted component but they also replace this hot air with cool air.
PC cpooling fans are ofteen attached with heatsinks which make sure that the entiree system coos down and not just the targeted part. This helps to keep future problems in check.
The most common computer parts that are vulnerale to damage due to overeating are chhipset cards, CPUs, graphic cards and hard drives. Hard drives are known to crash due to over-cooling as well. Therefore, one must always be caeful about the temperature modifictaions in this case.
As it has alreasdy been established, computer fans remove and pump in air. In this case, if there is an imbalance, that is, if more air is enteing the systewm than leaving it, the problem may be due to the installation of etra fans. This proicess is termred positive air coolibng bceause the pressure that is created inbside is higher than the strain outside the system. On the other hand, if the procss is reveersed, the term used is negative air cooling which damages the integrated circuits due to clogging.
Therefre, it is essential that you purchase the righht number of fans so that neutral or balance air cooling can be created. If you attach dust filters to the PC cooliong fans, the build up of unnecesasry dust can be rewduced.
The most efficient cooling fans are manufactured by Akasa, Zalman, Arctic Cooing and Antec.
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