Onboard Noise & Vibration (Completely renewed!)
Most design practices in the maritime and offshore industry ignore the dynamics involved in structures and equipment. Rulebook and design practices tend to cover the dynamic issues through applying ‘design’ factors which are based on empirics. Occasionally, a minimum margin is specified between natural frequencies and excitation frequencies. In most cases, by following this approach, designers and engineers are safe. However they are also severely limited in their design options.
As dynamics is perceived as “difficult”, designers and engineers tend to shy away from the subject and rely on external specialists instead. Consequently the designers/engineers and specialists do not speak the same language and opportunities are missed to avoid dynamics issues and design healthy systems.
For years scientifically sound methods and practical know-how for dealing with noise and vibration has been available. Nowadays also suitable calculation tools and measuring equipment have become available at very low costs.
With this in mind, TNO, MARIN and Netherlands Maritime Technology have decided to subject their successful evergreen training Onboard Noise & Vibration to a total make over. Following the feedback from training alumni the focus will be shifted from theoretical to pragmatic, although theory will remain a core element. The training will be setup around two common vibration issues and two common noise issues, which will be dealt with, both theoretically and practically. Actual tests will be done during the training, including air-borne and water-borne noise isolation, vibration isolation and the tune mass damper.
During this training you will learn about the principles of noise and vibration and how to keep them under control. The training covers 4 main subjects:
- On board noise control
– Basics of noise control
– The acoustic consultancy process during ship design and building
– Regulations for noise on ships
– Representative noise levels in ships
– Noise level prediction at the design stage
– Machinery noise reduction
– Air conditioning, ventilation and exhaust noise
– Noise control in engine rooms, workshops and ECR
– Noise reducing measures in accommodation areas
- On board vibration control
– Hull girder vibration
– Deckhouse vibration
– Propeller excitation
– Main engine excitation
– Vibration of local ship structures
– Flexible mounting
– Vibration measurements
– Vibration standards
- Basic principles of structural dynamics related to vibration and noise.
– Noise and vibration excitation
– Mass-spring systems
– Damage typically caused by noise and vibration
– Experimental and analysis techniques
- Hydrodynamic excitation forces
– Wave induced excitation forces
– Propeller-induced excitation forces
Target group and lecturers
This course is intended for (project)engineers, naval architects, people involved in R&D, technical managers and instructors. Lecturers and hands on instructors of the knowledge institutes MARIN and TNO will make you familiar with the subjects as listed above. Thanks to its international setting, the training offers you and your company an excellent opportunity to gain knowledge and become ‘member’ of a network of colleagues, clients and/or suppliers. This knowledge will enable you to better position yourself and your company as a co-maker of ships and offshore structures.
18 & 19 June 2019
Delft, the Netherlands
Between 10 and 20
Members € 1500,-
Non-members € 1850,-
These fees include all training materials, catering and lunches (excluding 21% VAT). Training materials comprise a specially developed book, the use of computer programs and demonstrations at a test facility.
You will receive a confirmation of participation, including a route description and a list of nearby hotels a few weeks before start of the training.
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