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Noise & vibration


In the real world we are surrounded by noise and vibration, but is that what we really want to hear onboard a ship, and how much are we willing to tolerate?
The search for faster and more economically viable shipping vessels conflicts with the search for increasingly silent surroundings that meet our expectations; still, the right tools and the extensive experience built up in the field can help attain an onboard environment where not only are noise and vibration levels not harmful to health but they are so good that we cannot tell the difference between being onboard and on land. RINA SERVICES experience and cutting edge in this field can be a determining factor.​

MAIN BENEFITS

In measuring the quality of a seagoing vessel, the capacity to offer the quietest environment possible, with low vibration, without sacrificing any marine performance that a seagoing passenger vessel must have has become a determining factor.
The main objective of the consulting service delivered by our NVH experts is to attain all of this without increasing weight and costs or restricting the vessel’s operations. A quieter vessel with less vibration means a more valuable vessel, which enhances the image of whoever runs it and guarantees a higher economic return both during its operational life and when it is put up for sale.​

WHY RINA SERVICES?

The numerous studies developed on a number of craft, together with bespoke campaigns developed onboard to assess the levels of COMFORT, have made it possible to:
  • extend awareness of the phenomenon
  • have data to baseline the problem and decide on the most appropriate method of analysis
  • understand the limits of the calculation models and corresponding uncertainties
  • quantify the level of confidence in the results
  • propose effective solutions without deluding customer expectations.

SERVICE STEPS

From knowledge of current construction standards, of the atypical operating environment and of customer expectations, it is possible:

For new builds:
  • to provide assistance in formulating contract specifications and design choices
  • to develop predictions of noise and vibration levels 
  • to adjust insulation and structural plans to achieve the goals
  • to carry out inspections during construction work to guarantee the result is achieved on delivery.
For existing builds:
  • to develop bespoke campaigns aimed at assessing the level of noise and vibration for the purposes of COMFORT
  • to compare results amongst similar builds
  • to address improvements
  • to propose the best cost-benefit solutions.

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