Hull coatings study shows speed benefits

hull performance study The study used the hull performance analysis methodology developed by DNV GL to analyse the performance of various major vessel types. Image: PPG

A new study has demonstrated improved vessel power efficiency and reduced speed loss with PPG marine hull coatings.

The study, conducted by PPG in collaboration with DNV GL, used the hull performance analysis methodology developed by DNV GL to analyse the performance of various major vessel types. These included LNG carriers, bulk carriers, crude oil tankers and cruise vessels that use PPG antifouling and fouling release solutions in a variety of operating conditions.

The results show less than 1.5% average speed loss across the variety of ship types and operational conditions. In addition, vessels using PPG SIGMAGLIDE 1290 fouling release coating demonstrated notable speed and power improvement over the baseline sea trial conditions.

“This study provides additional confirmation that PPG fouling control products contribute to improved vessel performance,” said Tom Molenda, PPG global platform director, marine coatings.

Robust methodology

PPG selected DNV GL to partner in the study due to the accuracy of the company’s vessel performance analysis methodology, which is more rigorous than the ISO 19030 standard for measuring changes in hull and propeller performance.

DNV GL’s testing procedures introduce advanced filtering and normalisation methods that increase the usability of data and yield more accurate results.

The company presented the study’s results at the 4th annual Hull Performance and Insight Conference in Gubbio, Italy.

The products used in this study – PPG Sigmaglide and PPG Sigma Sailadvance marine hull coatings – are part of PPG’s fouling-control product range.

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