Scientists from Glasgow Caledonian University are to develop a method of converting unwanted ingress water from Glasgow’s underground rail system, the Subway, to a sustainable heat source.
Water in the underground tunnel has a temperature of around 14°C, which is sufficient for obtaining heat. Energy efficient pumps will suck up warm water, extract the heat, and use it to warm stations and nearby buildings. If successful, the technique would cut both heating and maintenance costs and reduce disruption for Subway passengers, said Strathclyde Partnership for Transport.
The technology will be developed over the next two years. The project will be the first to use the heat-harvesting technique in an underground rail system.
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