Noise reduction in motor boat cockpits and cabins possible

June 21, 2010

Boaters increasingly require convenience and quieter boats. Boating is unpleasant for the skipper and passengers if it is difficult to hear normal conversation in the cockpit. VTT's Quiet boats project examined both short-term solutions applicable to existing boats and factors affecting noise level that can be taken into account in the design of new boats.

The noise level of motor boat interiors can be affected - and reduced. Placing an acoustic enclosure around the engine and sealing any openings between the engine bay and the cockpit proved to be the most efficient 'quick fixes'.

The project has given boat makers access to practical research data on the origin of noise and ways of reducing it that can be directly applied to product development. Some of the companies involved in the project have already applied the results in their production. "Thanks to the results of the Quiet boats project these businesses now have a foundation on which to base their own further investigations and the product development of even quieter boats", says Senior Research Scientist Hannu Nykänen of VTT.

The study focused on cabin cruisers between 6 and 14 metres in length fitted with one or two sterndrive engines. The project began with the analysis of the noise levels, sound quality and intelligibility of speech in the cockpit and passenger cabin of the boat types selected as reference boats by the boatyards involved.

The project was carried out in cooperation with four Finnish boat sector companies: Bella Boats, Oy Botnia Marin Ab, Tristan Boats Ltd and Volvo Finland Ab. The University of Kuopio joined VTT in the research cooperation. The Quiet boats project is part of the Tekes Boat Programme 2007.
-end-


VTT Technical Research Centre of Finland

Related Cooperation Articles from Brightsurf:

Betrayal or cooperation? Analytical investigation of behavior drivers
At the macroscopic level, there are numerous examples of people cooperating to form groupings.

How does cooperation evolve?
In nature, organisms often support each other in order to gain an advantage.

Simulating cooperation in local communities
In new research published in EPJ B, a new simulation-based approach is introduced which could help to reduce the proportion of people who misuse welfare payoffs, through a cost-effective system which rewards individuals who use them responsibly.

Cooperation can be contagious particularly when people see the benefit for others
Seeing someone do something good for someone else motivates witnesses to perform their own helpful acts, an insight that could help drive cooperative behavior in communities navigating through the health crisis.

Cultivating cooperation through kinship
Extensive cooperation among biologically unrelated individuals is uniquely human. It would be surprising if this uniqueness were not related to other uniquely human characteristics, yet current theories of human cooperation tend to ignore the human aspects of human behavior.

As farming developed, so did cooperation -- and violence
The growth of agriculture led to unprecedented cooperation in human societies, a team of researchers, has found, but it also led to a spike in violence, an insight that offers lessons for the present.

Cooperation after eye contact: Gender matters
Researchers from the UB published an article in the journal Scientific Reports which analyses, through the prisoner's dilemma game, the willingness of people to cooperate when in pairs.

How employees' rankings disrupt cooperation and how managers can restore it
First prize is a Cadillac Eldorado, second prize a set of steak knives, third prize you're firedĀ».

Sex for cooperation
To understand the origins of human sociality studying the social dynamics of our closest relatives, chimpanzees and bonobos, is important.

Migration can promote or inhibit cooperation between individuals
A new mathematical analysis suggests that migration can generate patterns in the spatial distribution of individuals that promote cooperation and allow populations to thrive, in spite of the threat of exploitation.

Read More: Cooperation News and Cooperation Current Events
Brightsurf.com is a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for sites to earn advertising fees by advertising and linking to Amazon.com.