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A thermal interface material (shortened to TIM) is any material that is inserted between two components in order to enhance the thermal coupling between them [1].A common use is heat dissipation, in which the TIM is inserted between a heat-producing device (e.g. an integrated circuit) and a heat-dissipating device (e.g. a heat sink).
The heat sink thermal resistance model consists of two resistances, namely the resistance in the heat sink base, , and the resistance in the fins, . The heat sink base thermal resistance, , can be written as follows if the source is a uniformly applied the heat sink base. If it is not, then the base resistance is primarily spreading resistance:
Online heat sink calculators from companies such as Novel Concepts, Inc. and at www.heatsinkcalculator.com [7] can accurately estimate forced and natural convection heat sink performance. For more complex heat sink geometries, or heat sinks with multiple materials or multiple fluids, computation fluid dynamics (CFD) analysis is recommended (see ...
A finned air cooled heatsink with fan clipped onto a CPU, with a smaller passive heatsink without fan in the background A 3-fan heatsink mounted on a video card to maximize cooling efficiency of the GPU and surrounding components Commodore 128DCR computer's switch-mode power supply, with a user-installed 60 mm cooling fan.
Thermodynamic heat pump cycles or refrigeration cycles are the conceptual and mathematical models for heat pump, air conditioning and refrigeration systems. [1] A heat pump is a mechanical system that transmits heat from one location (the "source") at a certain temperature to another location (the "sink" or "heat sink") at a higher temperature. [2]
Heatsink mounted on a motherboard, cooling the CPU underneath it. This heatsink is designed with the cooling capacity matching the CPU’s TDP. Thermal Design Power ( TDP ), also known as thermal design point , is the maximum amount of heat that a computer component (like a CPU , GPU or system on a chip ) can generate and that its cooling ...
From January 2008 to December 2012, if you bought shares in companies when William B. Harrison, Jr. joined the board, and sold them when he left, you would have a -29.6 percent return on your investment, compared to a -2.8 percent return from the S&P 500.
is the absolute thermal resistance of the heat sink. The heat flow can be modelled by analogy to an electrical circuit where heat flow is represented by current, temperatures are represented by voltages, heat sources are represented by constant current sources, absolute thermal resistances are represented by resistors and thermal capacitances ...
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