OPINION
ENERGY COULD BE TAKEN FROM THE ROADS! We've always seen roads as a necessary evil, but what if they turn out to be a cheap source of energy?
At this time, any idea to alleviate our dependence on oil is welcome. Obtaining thermal energy is one of the objectives, but if it comes from something as black and available as a road, it’s all the better.
The exchangers used by the system are actually coils with glycol water inside that heat up due under solar radiation. This circuit, similar to that of the heaters in many homes, is the one that is sent to nearby facilities to be used as a source of energy.
The idea is simple. It is about installing a series of heat accumulators under the asphalt "Imagine the parking lot of a shopping centre. that later, through a system of exchangers, is The exchanger, that is, the coil, can be reused to heat water or heat buildings. installed under the car park driveway. This circuit is made like an "S" in a way “Worldwide there are more than 18,000,000 that, as happens in the intestine of mammals, km2 of roads, the potential is huge. And we it allows a lot of travel in a very small are not talking about solutions for the future, surface. A heat pump is responsible for but about proposals that are already a collecting the liquid previously heated by reality”, explains Nuria Uguet, the technical the sun under the asphalt so that it can director of Eurovía Management Spain. be diverted to the commercial facilities and heated," adds Uguet. 34
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