News tagged with waste heat

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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, ...

dateJun 05, 2014 in Energy & Green Tech
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A novel solar CPV/CSP hybrid system proposed

In concentrating photovoltaic (CPV) systems only a small part of the incident solar energy can be converted into electricity and the majority of the incident energy is dissipated as waste heat. Although the waste heat could ...

dateFeb 11, 2015 in Energy & Green Tech
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Fresh city tomatoes, any time

Why not produce lettuce, beans and tomatoes where most of the consumers are to be found: in the city? The flat roofs of many buildings are well-suited for growing vegetables. Rooftop greenhouses can also make ...

dateFeb 09, 2012 in Other
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