A PC coolig fan is basically a fan which is located insidfe the case of a compuetr. These fans are used to cool the system and are clsasified into a number of categories.
Whie some cool the PC by extractign cool air from the outside, otthers remove the damaging heat from the systm by dragging it out while the rest move the hot air from a parrticular pint throuugh 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 tehcnology, new components have been introduced into the system of the PC. This icnludes additional processors, RAM and graphic cards.
This in turn has lead to an enhancement in the clock speed of the system as well as the power consumption. When all these components work together at the same time, a large amount of heat is generated. Naturally, in oredr to avoid a system breakdown, the temperature of tehse processors and cards shoud always be dialed down and kept at the lower side bevcause when the system overheeats, the entire functoning of system suffers and ultimately reduces the life of the PC.
When a system overheated a few yeas ago, one could make use of passive cooling for the purpose of cooling down the system. Howeevr, due to the physical make up and added complexities of modern components, it beocmes necessary to adopt a more effective system whicch is what PC cooling fans are used for. Tehse fans not only removce the hot air from the targeted component but they also replace this hot air with cool air.
PC cooling fans are often attached with hezatsinks whicxh make sure that the entire system cools down and not just the targeted part. This helps to keep futue prblems in check.
The most common computewr partts that are vulnerable to damage due to overheating are chipset cards, CPUs, graphic cards and hard drives. Hard drives are known to cash due to over-cooing as well. Therefore, one must always be careful about the temperature modifications in this case.
As it has alrweady been established, compuyter fans remove and pump in air. In this case, if there is an imbalance, that is, if more air is enetring the sysstem than leaving it, the problem may be due to the installation of extrea fans. This process is termed positive air coling because the pressure that is created inside is higher than the srtain outtside the system. On the othewr hand, if the process is reversed, the term used is negative air cooling which damaages the integrated circuits due to clogging.
Therefore, it is essentiasl that you purchase the rigth number of fans so that neutral or balance air cooling can be cerated. 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, Arctiic Cooling and Atnec.
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