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  2. List of thermal conductivities - Wikipedia

    en.wikipedia.org/wiki/List_of_thermal_conductivities

    860 Silicone Heat Transfer Compound: 0.66 8616 Super Thermal Grease II: 1.78 8617 Super thermal Grease III: 1.0 List, MG Chemicals [87] 233.15—473.15 205.15—438.15 205.15—438.15: These thermal greases have low electrical conductivity and their volume resistivities are 1.5⋅10 15, 1.8⋅10 11, and 9.9⋅10 9 Ω⋅cm for 860, 8616 and 8617 ...

  3. Heat transfer - Wikipedia

    en.wikipedia.org/wiki/Heat_transfer

    Convective heat transfer, or simply, convection, is the transfer of heat from one place to another by the movement of fluids, a process that is essentially the transfer of heat via mass transfer. The bulk motion of fluid enhances heat transfer in many physical situations, such as between a solid surface and the fluid. [ 10 ]

  4. Thermochromism - Wikipedia

    en.wikipedia.org/wiki/Thermochromism

    Lead(II) oxide exhibits a similar color change on heating. The color change is linked to changes in the electronic properties (energy levels, populations) of these materials. More dramatic examples of thermochromism are found in materials that undergo phase transition or exhibit charge-transfer bands near the visible region. Examples include

  5. Heisler chart - Wikipedia

    en.wikipedia.org/wiki/Heisler_Chart

    In thermal engineering, Heisler charts are a graphical analysis tool for the evaluation of heat transfer in transient, one-dimensional conduction. [1] They are a set of two charts per included geometry introduced in 1947 by M. P. Heisler [2] which were supplemented by a third chart per geometry in 1961 by H. Gröber.

  6. Thermal printing - Wikipedia

    en.wikipedia.org/wiki/Thermal_printing

    A thermal printer Bills and receipts are typically printed on thermal paper. [1]Thermal printing (or direct thermal printing) is a digital printing process which produces a printed image by passing paper with a thermochromic coating, commonly known as thermal paper, over a print head consisting of tiny electrically heated elements.

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  9. Nusselt number - Wikipedia

    en.wikipedia.org/wiki/Nusselt_number

    The Nusselt number is the ratio of total heat transfer (convection + conduction) to conductive heat transfer across a boundary. The convection and conduction heat flows are parallel to each other and to the surface normal of the boundary surface, and are all perpendicular to the mean fluid flow in the simple case.

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