Heat dissipation system with surface located cavities for boundary layer disruption
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United States of America Patent
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Jul 14, 2015
Grant Date -
Jul 9, 2015
app pub date -
Mar 19, 2015
filing date -
Oct 20, 2008
priority date (Note) -
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Abstract
A heat dissipation system that includes a structure having a surface with a cavity recessed on the surface. A wing or channel causes a vortex to occur in the cavity. Destabilizers, such as projections or recesses are disposed on the sidewall of the cavity to disrupt the local surface boundary layer that forms in the cavity. Alternatively, a plurality of freely moving bead elements are disposed in the cavity to disrupt the local surface boundary layer. A cover can be included that prevents the bead elements from exiting the cavity.
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