Objective
BE95-1238 Development of New Technologies for Low Noise Freight Wagons
Amongst environmental issues that represent major constraints for European Railways, noise generated by freight traffic is one of the most important and difficult to solve. Freight traffic is operated as much at night as during the day, and noise levels imposed by legislation tend to be particularly severe for this type of traffic. Noise emitted by freight traffic is the result of interaction between freight wagons, belonging to a wide number of Companies all over Europe and neighbour countries, and national infrastructures. This makes solutions especially difficult to apply, and require a joint effort at European level.
Although ground-based protection, such as noise barriers, or buildings improvement, will remain locally necessary, a reduction at the source is indeed more efficient, when achievable. Reducing freight traffic noise at its source requires combined action on both wagons and infrastructure. Therefore, two targeted actions are simultaneously proposed within Brite-EuRam: while 'Silent Freight' aims to solve the question of rolling stock emission, another targeted project called 'Silent Track' considers questions regarding track.
The objectives of 'Silent Freight' are the following: develop a number of innovative technical solutions to be applied to existing freight rolling stock, and also to future wagons, allowing to reach, together with a combined action on track, a global reduction of noise emitted by the train/track system by about 10 dB(A). The cost of implementing these solutions, by retrofit on existing wagons, or from building stage for new ones, must remain reasonable, that is compatible with the economical requests imposed by a highly competitive context.
Work will include development of investigation and simulation tools, design and validation of solutions, with a strong emphasis on the optimisation of the wheel design and on solutions integrated in the superstructure to provide shielding and reduce emission of the wagons. It will be concluded by a joint demonstration exercise where prototype solutions for wagons and track will be tested simultaneously, showing achievable noise reduction and allowing an extensive validation of new models. Guidelines will also been produced, in view of standardisation and of defining a policy for the implementation of low-noise design in Europe.
The project will be carried out by a consortium coordinated by the European Rail Research Institute (ERRI), a body in charge of RTD for all European Railways, and including several manufacturers of wagons, wheels and other components, and several Research Centres.
Fields of science (EuroSciVoc)
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CORDIS classifies projects with EuroSciVoc, a multilingual taxonomy of fields of science, through a semi-automatic process based on NLP techniques. See: The European Science Vocabulary.
- natural sciences computer and information sciences software software applications simulation software
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Coordinator
3526 AB UTRECHT
Netherlands
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