Diamond-The best material for thermal conductivity

The best material for thermal conductivity is diamond, with a thermal conductivity of 1300-2400 W/(m * K). Due to the thermal motion of microscopic particles such as molecules, atoms, and electrons inside an object, while the substances that make up the object do not undergo macroscopic displacement, the process of transferring heat from a high temperature zone to a low temperature zone is called thermal conduction. The numerical value of thermal conductivity is the amount of heat conducted per unit temperature gradient, unit time, and unit area in an object, with the unit being [W/(m · K)].

The numerical value of thermal conductivity characterizes the thermal conductivity of a substance.

The numerical values used in engineering calculations are determined by specialized experiments and listed in diagrams and manuals for reference. The factors that affect thermal conductivity mainly include the type of substance, material composition, temperature, humidity, pressure, density, etc. In terms of thermal conductivity, metals have the highest thermal conductivity, followed by non metals and liquids, and gases have the lowest. The thermal conductivity of gas is λ=0.006-0.6W/(m · K), the thermal conductivity of liquid is λ=0.07-0.7W/(m · K), and the thermal conductivity of solid is λ=12-418W/(m · K)

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