ClassNK releases wind propulsion guidelines
In response to ever-tightening environmental regulations, classification society ClassNK has released its new guidelines for wind-assisted propulsion systems.
Attention is turning to alternative methods of propulsion such as using wind power. In addition to sails, systems in which boats are dragged along by a large kite and systems which take advantage of the phenomenon that generates lift by rotating a cylindrical piece of equipment on deck have been developed.
ClassNK has therefore developed its 'Guidelines for Wind-Assisted Propulsion Systems for Ships' in order to contribute to the safe integrity and design of this technology and the ships that use it.
“Once wind was main source to propel ships and the technology utilizing wind is emerging again to energize ships’ environmental performance," explained Hayato Suga, corporate officer and director of plan approval and technical solution division.
"To promote the safety and soundness of designs applying wind-assisted propulsion system, we will keep on updating our guidelines in line with further technology progress as well as providing the certification on individual systems or concepts,” he added.
In addition to verifying structural strength, outlining methods for proving structural integrity of strength members, and using calculation methods for load amounts, the guidelines provide class notations for ships whose equipment is designed and installed in line with the guidelines.
The guidelines are available to download free of charge via ClassNK’s website for those who have registered for the ClassNK 'My Page' service.
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