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A heatsink (or heat sink) is a piece of metal that's mounted onto a heat-generating computer part. Its main job is to draw heat away from the component it's attached to and dissipate it into the surrounding air.
In thermodynamics a heat sink is a heat reservoir that can absorb an arbitrary amount of heat without significantly changing temperature. Practical heat sinks for electronic devices must have a temperature higher than the surroundings to transfer heat by convection, radiation, and conduction.
A heat sink is a device used in electronic equipment to prevent it from getting too hot. It's usually made from materials that conduct heat well, like aluminum or copper. The heat sink sits on top of parts like the CPU in a computer and helps pull heat away from these components. It does this through a series of fins that allow the heat to escape.
A heat sink is a component that increases the heat flow away from a hot device. It accomplishes this task by increasing the device's working surface area and the amount of low-temperature fluid that moves across its enlarged surface area.
Simply put, a heat sink is an object that disperses excessive heat from another object. They're most commonly used in computers but are also found in other objects that generate significant heat like cell phones, DVD players, and even refrigerators.
A heat sink is a part applied to a hot electronic device to absorb its heat through conduction and then throw this energy to the ambient environment through convection and radiation. A common structure of a heat sink is as shown below:
A heat sink is an essential component in electronic systems and computers, designed to manage and disperse the heat generated by electronic devices such as CPUs, GPUs, and power transistors. By effectively dissipating the excess heat, heat sinks prevent overheating, enhancing the overall efficiency and longevity of devices.