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2. Computer fan - Wikipedia

   en.wikipedia.org/wiki/Computer_fan

   Fans attached to components are usually used in combination with a heat sink to increase the area of heated surface in contact with the air, thereby improving the efficiency of cooling. Fan control is not always an automatic process. A computer's BIOS can control the speed of the built-in fan system for the computer. A user can even supplement ...

3. Computer fan control - Wikipedia

   en.wikipedia.org/wiki/Computer_fan_control

   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 ...

4. Computer cooling - Wikipedia

   en.wikipedia.org/wiki/Computer_cooling

   Fans are used when natural convection is insufficient to remove heat. Fans may be fitted to the computer case or attached to CPUs, GPUs, chipsets, power supply units (PSUs), hard drives, or as cards plugged into an expansion slot. Common fan sizes include 40, 60, 80, 92, 120, and 140 mm. 200, 230, 250 and 300 mm fans are sometimes used in high ...

5. Laptop cooler - Wikipedia

   en.wikipedia.org/wiki/Laptop_cooler

   Poorly designed coolers may use fans which draw more current than allowed by the USB standard. Without correct protection, such devices can cause damage to the USB power supply. Inside the laptop, the USB power-supply has to output an additional amount of watts for the USB-powered fan, thus generating a small amount of additional heat. This ...

6. Heat sink - Wikipedia

   en.wikipedia.org/wiki/Heat_sink

   If the device dissipation in watts is known, and the total thermal resistance is calculated, the temperature rise of the die over the ambient air can be calculated. The idea of thermal resistance of a semiconductor heat sink is an approximation. It does not take into account non-uniform distribution of heat over a device or heat sink.

7. Fan (machine) - Wikipedia

   en.wikipedia.org/wiki/Fan_(machine)

   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.