Cheap solar power from MIT

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Uploaded by on Jun 19, 2008

Matt Ritter explains how the MIT solar dish works. Video / Patrick Gillooly, MIT, via MIT TechTV

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Science & Technology

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Uploader Comments (greenchicgeek)

  • MIT opens new 'window' on solar energy

    Cost effective devices expected on market soon

    July 10, 2008

    MIT engineers report...July 11 issue of Science, involves the creation of a novel "solar concentrator." "Light is collected over a large area [like a window] and gathered, or concentrated, at the edges," explains Marc Baldo discusses MIT's solar concentrator...Because the system is simple to manufacture...Mapel, Currie and Goffri are starting a company..."

  • Cool! Thanks for sharing the info!

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  • BTW this is not patentable...people have built near replicas of this since the 60's...I know because my BF patent lawyer at the main firm told me that although a patent may have been obtained the reality is a lawsuit against a similar design would never hold up in court. Just because you are issued a patent doesn't mean squat.

  • @SputnikMedia That works just fine except to produce the same output as that dish you would need a structure 4 times that size. The amount of light lost from refraction on all of the lenses not at the exact angle perpendicular to the sun would loose intensity. So you would essentially only be using less than 25% of the structure. Where as this design has a 97% efficiency rate. It is worth it in this case to use 2 motors and a microprocessor and milliamps to align with the sun.

  • the fresnel lense instead of mirrors that is.

  • you could use Fresnel Lense and reverse the structure so that the lense is up top and the copper coil is underneath. Put the whole thing in a upside down CONE looking structure.

  • There are electronic circuits for solar trackers on the internet. Videos of sun trackers are available on YouTube.

  • smart MIT bastards..

  • Good job. You can take that steam coil & wrap it around Thermoacoustic Resonator (TAR) & convert the heat directly into electricity.

    watch?v=Ro6f_nmJh0E&feature=ch­annel_page

    Fellows Research Group is working on a 50 kW TAR model. You can use the steam to heat water. The TAR is a lot simlier and cheaper than a stirling engine - much more efficient too.

    You could also use Bismuth-Telluride Thermoelectric (TE) cells from a company called "Nextreme"

  • 1. How much usable energy does it generate?

    2. Can you make a mechanism for tracking the Sun automatically using solar power?

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