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Active heat transfer enhancement in integrated fan heat sinks

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Academic year: 2021

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Figure 1-9: In contrast to a traditional air cooled heat sink in which a fan forces air flow over a finned heat sink, an integrated fan heat sink incorporates fans directly into the heat sink, placing the fan blades in close proximity to the heated surface
Figure 1-12: The velocity triangle shows the relationship between the absolute velocities (c) and the relative velocities (w).
Figure 1-13: The ideal fan performance curve, calculated from the Euler equation, is reduced by several losses: slip, frictional and shock.
Table 1.5: Commercially Available Heat Sinks Surveyed [62]
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