An experimental investigation into the surface and hydrodynamic characteristics of marine coatings with mimicked hull roughness ranges

Hull roughness is a significant factor in forecasting ship efficiency and is typically measured using R(t)50, the maximum peak-to-trough height taken over 50 mm sample length. There are many potential causes of hull roughness, which can occur at the pre-delivery stage or on ships in service. Little research has focused on how contributors such as modern-day coating roughness and biofouling impact the added drag of in-service ships. This article presents findings from a study of how hull roughness in the presence of different coating types impacts in-service ship performance. The study findings indicate that the importance of hull roughness is undervalued in estimations of drag penalties based on well-applied and relatively smooth coating conditions.

Language

  • English

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Filing Info

  • Accession Number: 01734488
  • Record Type: Publication
  • Files: TRIS
  • Created Date: Jul 17 2019 4:28PM