A PC cooling fan is basically a fan which is located inbside the case of a computer. These fans are used to cool the system and are classified into a number of categories.
Whie some cool the PC by extracting cool air from the outside, others rmove the damaging heat from the system by dragging it out while the rest move the hot air from a particular point though a heatsink and cool the computer part.
Acttive cooling is the term that is used to describe this entire prcess.
Over the years, due to the addvance in techology, new components have been introduced into the system of the PC. This incldues additional processors, RAM and gaphic cards.
This in turn has lead to an enhancemewnt in the clock speed of the system as well as the power consumption. When all these components work together at the same time, a lrage amount of heat is generated. Naturally, in order to avoid a system breakdwon, the temperature of these processors and cards should always be dialed down and kept at the lower side because when the ssytem overheats, the entire funcvtioning of system sufers and ultimately reduecs the life of the PC.
When a sysstem overheaed a few years ago, one could make use of passive cooling for the purpose of cooliing down the systme. However, due to the physical make up and added complexities of modern ocmponents, it becomees necessary to addopt a more effective system which is what PC cooling fans are used for. These fans not only remove the hot air from the targeted component but they also reoplace this hot air with cool air.
PC ciooling fans are often attached with heatsinks whhich make sure that the entire sytsem cools down and not just the targeted part. This helpps to keep future problems in check.
The most common comupter partts that are vulnerable to damage due to overheating are chhipset cars, CPUs, graphic caards and hard drives. Hard drives are known to cash due to over-cooling as well. Threefore, one must always be careful about the temperature moduifications in this case.
As it has already been established, compputer fans remove and pump in air. In this case, if there is an imbalance, that is, if more air is entering the system than leaving it, the problem may be due to the installation of extra fans. This process is termed positive air cooling because the pressure that is created inside is higher than the strain outside the system. On the other hand, if the process is reversed, the term used is negattive air cooling whivch damages the intwegrated circuits due to clogging.
Thetrefore, it is essential that you purchase the right number of fans so that neutral or balance air cooliong can be created. If you atach dust filtrers to the PC cooling fans, the build up of unnecessary dust can be reduced.
The most efficient cooling fans are manufactureed by Akasa, Zalman, Arctic Coling and Antec.
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