Experimental study on hydrodynamic performances of naval propellers to adopt new additive manufacturing processes
作者： Gabriele Staiano , Antonio Gloria , Giovanni Ausanio , Antonio Lanzotti , Claudio Pensa
DOI: 10.1007/S12008-016-0344-1
关键词:
摘要: In the past few years, a new generation of additive manufacturing (AM) techniques has rapidly become available due to expiration some AM patents which allowed significant cost reductions. This article explores fostering products innovation in experimental laboratories for development naval propulsion, where high costs represent an important limitation both basic research and industrial testing, by identifying knowledge variables providing reliable accurate data support designers researchers. The propeller INSEAN E779a case study was taken into account fabricated direct metal laser sintering AlSi10Mg aluminium alloy fused deposition modeling acrylonitrile–butadiene–styrene, UltraT polymeric materials. printing parameters, flexural tests, differential scanning calorimetry thermogravimetric analysis, optimize process conditions. A reverse engineering system, Faro-CAM2, iterative closest point algorithm geomagic control software were used analyse deviations from printed CAD nominal model. atomic force microscopy test assess morphological features surface roughness propellers. Towing Tank tests carried out hydrodynamic performance comparison analysed terms torque drag. results this show differences between benchmark propellers, as function advance coefficient J, characteristics However also shows substantial adequacy propellers most studies Tank.
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