Grab a small piece of paper and lay it across the fan when PC is on. That said, let's take a look at where intake and exhaust fans can be positioned for ideal cooling (note that it's a simple matter of flipping a fan around to change its direction). If a heat sink has a fan, it’s called active cooling. A fan that blows air out of the case will blow the paper away from case. The HD fans are pretty close, but I don't think you want to buy 16 new fans. For this video, we used a Minka Aire Supra Ceiling Fan. some fans blow and some suck it all depends on what the heatsink was designed for. While John's post above gave very good methods to tell fan direction via arrow indicators, left hand rule, and the curvature of the blades, here are two more methods. Step Ladder; Products Used. There is a lot of confusion among new PC builders or even some of the experienced users that whether they should keep the PSU fan side up or down. :confused: Does it really matter whether it sucks or blows? This is a topic of great debate and also one of the most asked questions by many users when they build their new PC. Ketchup is better than mustard. Fan: A fan causes forced convection over a heatsink, pushing more air through it than natural convection. We hope to help you decide what kind of setup is right for you and to show the benefits of each. Changing the direction of your ceiling fan in the summer and winter not only makes you feel comfy, but it also allows you to adjust the thermostat and give your AC or heating unit a much needed break (your wallet will also get some much-needed rest, trust us). Location: Portugal; Posted September 8, 2014. Air travels one way through a fan, in one side and out the other. Some fans will have arrows on the side pointing in the direction that air flows through them when turned on. In arrow located on the side of the fan indicates the direction of air flow. Related Posts. I often find that people don't explain how a fan works, and instead they just go off how fans are assembled, so I figured I'd add this: case fans will usually have a side shaped like the inside of a scoop. With your right arm facing East, you will then be facing North and be able to quickly know what direction North, South, East, and West is. ; If the ceiling fan blades are rotating correctly, you should feel a cool downward airflow in the summer. How to Tell Which Direction the Ceiling Fan Is Going for Heat. It will work out as you would expect -- badly and with strange fan noises. Computer fans are typically 12V or 5V. There is no way to reverse the blade direction on any PC fan I know of. By changing the direction a fan is mounted, it can act as either an intake or exhaust. Resist the urge to blast-clean dirty PC fan blades with the air-duster; if you spin the fan up to a zillion RPM, you may well fry its electronics. You can expect that side of the fan to be the exhaust side. Match the fans with whatever’s pre-installed in the enclosure – front is normally intake, rear and top is normally exhaust. We continue our guides that show differences in radiator performance depending on the speed of the fans, thickness, and FPI of radiators etc. PSU or Power Supply Unit is one of the most important components of a PC because it is the … It is an Akasa fan. How fast a fan spin is measured in RPM (rounds per minute). Not sure which direction your fan is moving? Test the fan on the case chassis. Then I thought of putting a computer fan on the desk for hot summer days but I couldn't tell from the picture in which direction the fan would rotate. Right now, they are set as intake fans, so they blow air in, and not out. Your shadow will face behind you when using this method. Generally the intake side is cooler than the exhaust side (kinda d'uh but often not obvious to many). Many fans … If you don’t feel a breeze, the fan is rotating in reverse mode (clockwise). I want to install a couple 120mm fans in my case, but I don't really know which way to install them to get air flowing in the direction I want. Question- I have the corsair H110 mounted EXACTLY as shown in the picture, (top-mounted) with the fans mounted to the bottom of the radiator. The only way to make your situation work without dropping one side or the other is a fan that is identical on both sides. How do I tell which way I should be installing it? How to Install Fans. First I wanted to buy a new computer case fan in eBay. The only problem is i cant remember which way the rear case fan was facing. Ensure a good airflow in your computer – Make sure fans don’t “conflict” each other. If you are near a Highway or State road, the number of the road will tell you what direction you are going or facing. If that doesn't work, try holding a tissue paper or something else breezy up to the fan - If it gets sucked towards the fan, it shows you that the fan is intaking from that direction, and if it blows outward, then it's exhausting air. This morning i stripped the PC to clean out all the dust. Should the fans be set to blow air through the radiatior and out to the top of the case? 30 Sep, 2014. Various companies release marketing materials that will tell you that their fan is powerful, that it moves a lot of air and that the blades offer a focused flow of air. Would it pull the air from the back or from the front? Naturally, take care of the direction the fan’s blowing in. Choosing air flow optimized fans on a dense radiator is just wasted potential because the fan blades cannot push the air through fins and the liquid will not get cooled enough. When I built my first PC a few years back, I used the excellent Cooler Master Hyper 212 EVO to cool the processor. Spyware and other types of malware are a big cause of many PC problems. Another thing that will immensely help your air flow is either buying rounded IDE cables, or rounding them yourselves and tying them together to get a much smaller obstruction. Ceiling fans help cool people in summer by producing a wind-chill effect as the fans circulate air downward. However, I am unsure as to what the air flow direction should be. Controlling the CPU fan speed in your PC (or all the fans, in fact) is a way to give you more control over your Windows 10 experience. Materials. The direction of air movement for a fitted fan can easily be confirmed with a slither of paper. I tried looking at it upon startup, but it spins so fast, so qucikly, that I cannot honestly tell which direction it's going. Air should travel in clear path through the case. When looking at the fan so that the circular sticker with the Noctua logo is facing you, the direction of airflow is towards you and the sense of rotation is clockwise: .
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