Could mirrors reflecting and focusing sunlight be used to make steam to power electric generators?
Answer:
Yes.
Here is a link to an article about a power plant in Spain which does just that:
http://petrochemical.ihs.com/news-07q2/e...
It is an 11-megawatt plant. These things are very feasible.
It will produce more than 300 megawatts by 2013.
It uses lots of mirrors to reflect and concentrate light at a single spot to heat water to drive turbines to create electricity.
€5 million was awarded to the project project because of its highly innovative approach by the EU.
On sunny days it would work. Running it all night long on stored heat is stretching it.
The most common is parabolic troughs—long, curved mirrors that concentrate sunlight on a liquid inside a tube that runs parallel to the mirror. The high heat capacity oil, at about 300 degrees Celsius, runs to a central collector, where it produces steam that drives an electric turbine.
The plant starts up at dawn and shuts down at dark.
Yes, it can, but not on dark days or days with no sun. And not after dark
ya, there is some in arazona, they use mirrors to heat salt which heats oil, which heats water which turns a turbine
oh, and its hard to produce solar energy 24/7 becuse of that problem called "night" :P
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