F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
F28F1/00—Tubular elements; Assemblies of tubular elements
F28F1/10—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses
F28F1/12—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses the means being only outside the tubular element
F28F1/124—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses the means being only outside the tubular element and being formed of pins
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Engineering & Computer Science
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Geometry
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Mechanical Engineering
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General Engineering & Computer Science
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Heat-Exchange Devices With Radiators And Conduit Assemblies
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Dispositif pour le guidage et l'alimentation electrique d'un fil de metal d'apport pour le soudage a l'arc, et son procede de fabrication