Wärtsilä Bags New Orders for Aquarius UV BWMS
Finnish technology giant in the marine and energy markets Wärtsilä Oyj announced that it has recently been awarded a number of contracts to supply its Aquarius UV Ballast Water Management System (BWMS) to global shipping operators.According to the provider of smart technologies and complete lifecycle solutions, the systems will enable the vessels to be compliant with the Ballast Water Management Convention regulations that entered into force in September 2017 for all new build vessels.The contracts cover in total 13 systems…
'Singing' Propellers Phenomenon Controlled
A joint research project carried out by Wärtsilä and City University London has succeeded in identifying the specific design parameters that create the risk of 'singing' propellers. Though rare, 'singing' is nevertheless an annoying problem that occurs as a strong tonal noise originating from the propeller, thus causing a negative effect to onboard comfort levels. The research programme reached its conclusions in December 2015. The problem has long been recognised in the marine industry.