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Full-tower computer cases may contain multiple cooling fans. At the top of the case is a fan controller. Fan control is the management of the rotational speed of an electric fan. In computers, various types of computer fans are used to provide adequate cooling, and different fan control mechanisms balance their cooling capacities and noise they ...
Reduced heat generation, which is exactly proportional to the power consumption. Less noise because the cooling fans may be slowed down, or even eliminated. A cooling fan's efficiency is proportional to its rotation speed, but as it increases, so does the noise. Longer hardware lifespan. Increased stability. Increased battery life.
Where noise is an issue, larger, slower-turning fans are quieter than smaller, faster fans that can move the same airflow. Fan noise has been found to be roughly proportional to the fifth power of fan speed; halving the speed reduces the noise by about 15 dB. [22] Axial fans may rotate at speeds of up to around 38,000 rpm for smaller sizes. [23]
A video card using heat pipes for cooling and no dedicated fan. Video cards can produce a significant amount of heat. A fast GPU may be the largest power consumer in a computer [16] and because of space limitations, video card coolers often use small fans running at high speeds, making them noisy. Options to reduce noise from this source include:
An active laptop cooler. A laptop/notebook cooler, cooling pad, cooler pad or chill mat is an accessory for laptop computers intended to reduce their operating temperature when the laptop is unable to sufficiently cool itself. Laptop coolers are intended to protect both the laptop from overheating and the user from suffering heat related ...
Bottom line: In the end, a fan is just a fan — if it helps you sleep better, then it’s good for you, if it doesn’t, then you might as well skip it. It’s a personal choice. It’s a ...
Computer fan for cooling electrical components and in laptop coolers; Fans inside audio power amplifiers help to draw heat away from the electrical components. Variable pitch fan: A variable-pitch fan is used to precisely control static pressure within supply ducts. The blades are arranged to rotate upon a control-pitch hub.
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