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Report

Teaser, summary, work performed and final results

Periodic Reporting for period 3 - FINE 1 (Future Improvement for Energy and Noise)

Teaser

Summary

The twofold aim of this project is to support the development of technologies for reduction of energy consumption as well as noise exposure from the railway. This will enable an increase of traffic and enhance the attractiveness of the rail as mean of transport which is important for environmental reasons and for CO2 control.

The project is supporting and communicating with the S2T TDs providing improved methodology and a system level analysis to optimise the final result of S2R from a noise and energy perspective.

To facilitate an effective noise and energy management a system approach is applied by including different parts of the rolling stock, the infrastructure and its close environment as applicable. The basic idea for handling noise and energy control in Shift2Rail is otherwise that the technical development of new solutions is included in the development of each system, as the rail or the motor. This is a preferred approach in order to assure new low noise and low energy technologies are compatible with all other constraints for the performance of a particular system. Tools and methods are also developed to improve technology development.

The system approach is important to add because the technological developments in one part of the total system, say the rail, could lead to changes in performance or even create barriers in another part of the system, say the wheel. In addition, the performance of all the systems acting together, like a complete train and track, needs to be considered and may give other priorities than considering only one isolated part of the system e.g. only the wheel.

Work performed

For the energy part, an energy simulation tool was developed by the complementary project OPEUS and is now used by the FINE 1 project. Data is collected from technology developments of systems in different parts of Shift2Rail and new Energy KPIs are calculated quantifying the overall progress. Regarding standardisation the most suitable standard was selected and the most important KPIs were analysed, pointing to mass and sufficiency. A proposal for eco-labelling was also presented based on an extensive stakeholder analysis. An analysis of future railway systems was performed considering future implementation of new technologies from S2R innovations as well as developments outside S2R and recommendations are indicating on research activities beyond S2R for further energy savings and CO2 reduction.

For the noise part, the most important system that are producing noise on rolling stock as well as infrastructure in Shift2ail were analysed and ranked. A number of scenarios were defined combining rolling stock and infrastructure and after that also adding a traffic flow over 24h including e.g. freight to form traffic scenarios. Targets are set and improvements achieved by introducing noise control technologies developed will be calculated at the ned of the project. Before that the source ranking and system level performance for the baseline are defined. In addition to assessments of progress, also tools and methodologies to support development of efficient noise reduction technologies was performed primarily for interior Noise. Sound propagation and distribution around typical train carbody structures was treated with extensive simulations and testing campaigns and recommendations about preferred methods was included. Analysis of current methodologies for sources characterization and proposals for improvements were delivered. Air borne as well as structure borne sound was included.

Final results

In a wider sense the introduction of quiet, low energy railway systems will strengthen the railway sector as a whole and the FINE 1 project is supporting such an introduction. This includes in the end reduced energy usage as well as reduced noise annoyance and goes back to the overall aim to this project, namely to enable an increase of traffic and enhance the attractiveness of the rail as mean of transport which is important for environmental reasons and for CO2 control.

In the noise part new innovative technologies for auralisation and visualisation of noise scenarios gave very interesting results. The technology gives the possibility of listening and experiencing visually the noise of trains passing on a certain track, long before it is built and the system was demonstrated in a first version at eg. InnoTrans 2018.

The analysis of noise control effect as well as energy saving aspects on a system level, including different systems on the train and the infrastructure together, gives an important opportunity for optimizations of actions taken from an environmental as well as a financial point of view.

Moreover, new methods for simulations of energy as well as noise performance for interior noise are developed. These methods will improve the results available to enhance the performance already in the early design phase, when the implementation costs are lower than at later phases.

At completion, FINE 1 will in summary support new cost-effective noise reduction technologies and improved energy consumption strategies for the railway system in Europe. This can be used to reduce costs, improve the sustainability as well as increasing the attractiveness of rail and promote a modal Shift2Rail.