Saving Fuel In Rail Vehicles
The title of this post is the same as this page on the web site of a company called Artemis Intelligent Power.
The first paragraph sums up the project and the participants.
Since 2013, Artemis has been proud to work with leading companies Ricardo and Bombardier on the project ‘Digital Displacement® Rail Transmission with Flywheel Energy Storage’ which has been supported by the government funding body Innovate UK.
So who are the players, mentioned in this paragraph.
- Artemis Intelligent Power, is a company that has been spun out of Edinburgh University, that is now owned by Mitsubishi Heavy Industries. In 2015, the company won a MacRobert Award, which is regarded as the leading prize recognising UK innovation in engineering.
- Ricardo is one of those companies, that have shaped our lives, but few people have ever heard of. At some time most of us would have driven a diesel car, where the engine has been designed around patents or ideas from Ricardo.
- Bombardier in the UK are best known for the trains they build in Derby.
- Innovate UK is the UK Government’s innovation agency.
I think it is true to say, that these players wouldn’t be short of ideas, engineering knowledge and resources, including money.
This second paragraph, describes in simple details, what they aim to achieve.
The system is based on the use of Artemis Digital Displacement® pump-motors to capture braking energy from diesel multiple unit (DMU) rail cars, store it in high tech Ricardo flywheels and then use it to displace diesel fuel during vehicle acceleration. Such energy recovery is commonplace on modern electric trains but there is general agreement in the rail industry that are many routes where electrification is unlikely ever to make economic sense.
There is also a press release from Ricardo, which has this title Significant fuel savings and rapid payback shown for rail flywheel hybrid technology.
The project has a name of DDFlyTrain and searching for this word, found this article in the Railway Gazette, which gives more details. These are the last two paragraphs of the article.
The delivery of the flywheel will now enable the assembly of a test rig for laboratory verification trials. Ricardo said its latest flywheel represents a significant advance on products available two years ago, drawing on research undertaken for Formula 1 cars. The flywheel spins in a permanent vacuum to reduce energy losses, with transmission by a magnetic gear system which does not require rotating seals or vacuum pumps The flywheel will be mated with Artemis’ Digital Displacement hydraulic transmission technology, which combines mechanical electric and software elements to facilitate efficient operation despite the varying speeds and loadings of a rail environment.
There are currently no firm plans for installation on a real trainset, but this could be undertaken in the future following laboratory tests.
I shall be searching for DDFlyTrain.
Conclusion
Artemis Intelligent Power and Ricardo have developed some very advanced technology.
The News page on the Artemis IP web site, details some varied applications for their technology in the fields of wave power, excavators, diesel railcar transmissions and wind power.
Ricardo’s flywheel has the name of TorqStor and looks to have potential in other applications.
Could we be seeing a larger version of Torqstor in Electrical Multiple Units, like the new Aventra?
With technology companies like Ricardo and Artemis IP, you never know what is possible, until it has been done!
Related
August 12, 2017 - Posted by AnonW | Energy Storage, Transport | Bombardier, Engineering, Innovation, TorqStor
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What this blog will eventually be about I do not know.
But it will be about how I’m coping with the loss of my wife and son to cancer in recent years and how I manage with being a coeliac and recovering from a stroke. It will be about travel, sport, engineering, food, art, computers, large projects and London, that are some of the passions that fill my life.
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