Old quarry near runway now saves airport $430,000 a year

An abandoned rock quarry near a runway at Nashville International Airport was thought of as a liability, so risky that authorities considered filling it in a decade ago. Now, the water-filled pit is enabling the airport to ...

Using the potential of waste heat

Siemens researchers analyze how different components of the future energy system can be combined in an optimized way. In its latest issue the research magazine "Pictures of the Future" reports about the chances of this multi ...

Sorption energy storage and conversion for cooling and heating

New materials and technologies are making it possible to utilize thermal energy more efficiently. Visit Hall 13 at the Hannover Messe (Apr. 7-11) to find out how researchers from the Fraunhofer Energy Alliance are applying ...

Recuperating waste heat under the hood

For his semester project in mechanical engineering, Eliott Guenat studied the best way to recuperate waste heat from a car's engine. The challenge is figuring out how to incorporate the heat exchangers micro-turbomachines.

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