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International Journal of Railway Technology
ISSN 2049-5358
ISSN 2049-5358
IJRT,
Volume 5, Issue 4, 2016
Efficiency Benefits from the Deployment of a
Novel Flywheel Solution for Non-Electrified Lines
K.R. Pullen1, M. Read
1, R. Sellick2, A. Fenocchi3 and S. Etemad3
1Department of Mechanical Engineering and Aeronautics, City University of London, United Kingdom
2SellickRail Ltd, United Kingdom
3Dynamic Boosting Systems Ltd, United Kingdom
Full Bibliographic Reference for this paper
K.R. Pullen, M. Read, R. Sellick, A. Fenocchi, S. Etemad, "Efficiency Benefits from the Deployment of a
Novel Flywheel Solution for Non-Electrified Lines", International Journal of Railway Technology, 5(4), 79-100, 2016. doi:10.4203/ijrt.5.4.4
Keywords: flywheel, simulation, efficiency, discontinuous, electrification.
Abstract
This paper describes the authors’ investigation into deploying durable, low cost
electric flywheel technology on rail vehicles by means of simulation. Diesel engines
currently power trains on non-electrified lines, over half the UK rail network, so the
Rail Safety and Standards Board (RSSB) commissioned research to devise efficiency
improvements. Substantial benefits in the form of diesel traction energy saving and
braking energy recovery were calculated, amounting to 43% for regional passenger
services. Further, the flywheel technology is traction-type independent: it could be
key to unlocking discontinuous electrification or to improve the effectiveness of any
prime mover. A follow-on hardware demonstration project has just commenced.
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