News tagged with solar heat

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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 ...

Feb 11, 2015
4.5 / 5 (2) 0

Idealistic Norwegian sun trappers

The typical Norwegian owner of a solar heating system is a resourceful man in his mid-fifties. He is technically skilled, interested in energy systems, and wants to save money and protect the environment.

Sep 19, 2014
3.7 / 5 (3) 1

Getting more electricity out of solar cells

(Phys.org) —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 ...

May 07, 2014
4.9 / 5 (23) 1

What happened to comet ISON?

Astronomers have long known that some comets like it hot. Several of the greatest comets in history have flown close to the sun, puffing themselves up with solar heat, before they became naked-eye wonders ...

Dec 05, 2013
4 / 5 (5) 0 | with audio podcast

Storage heaters as buffers for wind power

As reported in the latest issue of Pictures of the Future, Siemens and RWE are planning to use storage heaters to make surplus solar and wind power more usable. In the RWE Wind Heating project, the two co ...

Nov 18, 2013
not rated yet 1