Increased energy efficiency in ships through reduced hull fouling

The energy and bunker consumption in a ship is dependent on several factors. Condition of the ship hull and degree of marine growth (biofouling) on the hull is an important factor. A hull with biofouling requires 15-20% more power for propulsion than a newly painted or maintained hull. Ship hulls are cleaned with brushes inbetween painting but the optimal frequency and forces needed for cleaning of the hull have not been investigated. The aim of this project is therefore to optimize the method for in water hull cleaning. Through pro-active brushing of the first stages of marine growth, there is great potential to avoid further biofouling and increased friction. With less biofouling on the ships the energy requirements and fuel consumption will decrease which means savings both for economy and the environment.

Participants

Lena Granhag (contact)

Docent at Shipping and Marine Technology, Maritime Environment and Energy Systems

Rickard Bensow

Professor at Shipping and Marine Technology, Marine Structures and Hydrodynamics

Dinis Soares Reis de Oliveira

Doktorand at Shipping and Marine Technology, Maritime Environment and Energy Systems

Funding

Swedish Energy Agency

Funding years 2015–2017

Related Areas of Advance and Infrastructure

Transport

Area of Advance

Energy

Area of Advance

Sustainable Development

Chalmers Driving Force

More information

Latest update

2017-02-10