Wavebreaker - verification of innovative noise damper
| Reference number | |
| Coordinator | Wavebreaker AB |
| Funding from Vinnova | SEK 285 000 |
| Project duration | April 2019 - October 2021 |
| Status | Completed |
| Venture | The strategic innovation program InfraSweden |
| Call | Solutions for sustainable transport infrastructure |
Purpose and goal
Through acoustic lab and field tests with end customer, the project has verified the attenuation of Wavebreaker for train noise and investigated the potential for road traffic noise. The potential to improve the acoustic environment in the infrastructure and in existing environment at lower costs is now proven. The project couples to the Focus Area 3, design solutions and construction methods for a sustainable transport infrastructure and now demonstrably shown an alternative noise damping solution that meet customer requirements to lower costs to society.
Expected results and effects
The project has verified Wavebreaker´s noise reduction effect in pilot projects, through both laboratory and field tests together with end customer. The verification project has provided a basis for advice on how the result should be used in existing calculation models for noise. Expected effect is a new available method to solve noise challenges in future infrastructure projects and existing environments. The use of the product means lower costs for noise protection compared to alternative methods and increased sustainability seen over at least 40 years.
Planned approach and implementation
The implementation was done in three steps: 1. An early prototype at a lower production cost for early verification and for reducing technical risk. This led to minor adjustments in design but also verification of goal fulfillment. Project partner RISE performed lab tests according to international standards in January 2020. 2. Tools for series production were ordered in the autumn of 2020. Trimming and test assembly were performed and then acoustic field tests in August 2021. 3. The customer benefit was verified through workshops with the end customer.