Quick-ohm User Manual

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Frequently Asked Questions

• What is heat pipe heatsink?

  Heat pipe heatsink is a kind of high efficiency heat dissipation device, which has unique heat dissipation characteristics. That is to say, it has high thermal conductivity, and the temperature distribution between evaporation section and cooling section is uniform and basically equal along the axis.

• What is a heat pipe?

  •Heat pipe is a capillary two-phase heat transfer device. –Transports heat from a heat source to a heat sink –Works as an isothermalizer •Why two-phase thermal system? –Efficient heat transferEfficient heat transfer – boiling and condensationboiling and condensation –Small temperature difference between the heat source and heat sink

• What determines the thermal resistance of the heatsink with heatpipe?

  The thermal resistance of the heatsink with heatpipe is determined by the heat pipe thermal conductivity of the material and the effective area within the volume. When the volume of a solid aluminum or copper heat sinks reaches 0.006m cubed, increasing its volume and area does not significantly reduce the thermal resistance.

• What is the operating temperature of Sintered copper water heat pipes?

  The theoretical operating temperature limits of sintered copper water heat pipes are 0-250 o C, although in practice heat pipes don’t really start to operate until around 20 o C. Below 0 o C, the water freezes within the sintered wick structure but causes no damage due to expansion as the amount of liquid is so small.