News tagged with waste heat

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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.

dateJul 09, 2014 in Engineering
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Clean power from waste heat

Siemens has developed a technology to use waste heat, which previously had gone unused, to generate electricity. The solution employs silicone oils, which have a lower enthalpy of vaporization than water, and is needed because ...

dateJun 05, 2014 in Energy & Green Tech
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Getting more electricity out of solar cells

( —When sunlight shines on today's solar cells, much of the incoming energy is given off as waste heat rather than electrical current. In a few materials, however, extra energy produces extra electrons—behavior ...

dateMay 07, 2014 in Materials Science
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