heliostat

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“
At the PS20 plant each heliostat is 1291 ft2 (120 m 2), which gives the entire heliostat field a massive area of 155,000 m 2.

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Definitions (3)

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  1. noun An instrument in which a mirror is automatically moved so that it reflects sunlight in a constant direction. It is used with a pyrheliometer to make continuous measurements of solar radiation.

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Examples (25)

  • Also with using a heliostat, you can try out your regolith scraper for banking material around the structure to insulate it, and maybe even try and duplicate one of the Apollo experiments, which was that plants grow well in lunar soil, it being ground volcanic? —  New Scientist - Space
  • Instead of using solar panels to convert the sunlight into electricity, a company called Practical Solar has created a heliostat system which basically bounces sunlight into a window or skylight, working like a scaled-down solar oven. —  OhGizmo!
  • Each heliostat can be installed with basic tools, and they're controlled by a simple piece of PC software —  OhGizmo!
  • Each mirror unit (heliostat) follows the sun and directs its rays towards the top of a 30 meter-high tower housing a special solar receiver along with a 100kw gas turbine engine. —  Energy News - Energy Technology - Energy Business - Energy and the Environment
  • The proposed project includes three solar concentrating thermal power plants, based on distributed power tower and heliostat mirror technology, in which heliostat (mirror) fields focus solar energy on power tower receivers near the center of each heliostat array. —  MoJo Blogs and Articles
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Etymologies (1)

Toggle Century etymologies Century Dictionary (1)

  1. from Greek ἡλιος, the sun, + στατός, fixed, from ἱστάναι, set up, stand: see static.
 

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/ˈhilɪəstæt/
by American Heritage

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