1 / 1

A New Spin on Hybrid Trains: Flywheel Energy Storage for Regional Rail

Flywheel speed. Energy Flow. Vehicle speed. Engine operation. ON. OFF. Time. A New Spin on Hybrid Trains: Flywheel Energy Storage for Regional Rail. Matthew G Read 1 , Roderick A Smith 1 , Keith Pullen 2

senalda
Download Presentation

A New Spin on Hybrid Trains: Flywheel Energy Storage for Regional Rail

An Image/Link below is provided (as is) to download presentation Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author. Content is provided to you AS IS for your information and personal use only. Download presentation by click this link. While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server. During download, if you can't get a presentation, the file might be deleted by the publisher.

E N D

Presentation Transcript


  1. Flywheel speed Energy Flow Vehicle speed Engine operation ON OFF Time A New Spin on Hybrid Trains: Flywheel Energy Storage for Regional Rail Matthew G Read1, Roderick A Smith1, Keith Pullen2 1Future Railway Research Centre, Department of Mechanical Engineering, Imperial College London, 2School of Engineering and Mathematics, City University London 40% diesel trains Problem: Energy is wasted during braking! UK Rail energy use Solution: • Hybrid trains with onboard energy storage device • Fuel consumption and emissions reduced through recovery of braking energy 60% electric trains Flywheel Energy Storage High speed composite flywheels have high specific energy and power Vacuum containment designed to minimise losses and maximise safety Mechanical transmissions have been identified as a potentially efficient, robust and low-cost way of transferring power between the vehicle and flywheel. Novel transmission systems utilising epicyclic gearing are being developed through computational modelling and small scale experimental testing. System Operation Results • Simulation includes; • Detailed component based vehicle model • Realistic route and timetable data Computational model of the proposed flywheel hybrid systems predicts fuel savings of up to 30% for regional rail vehicles

More Related