• anonymous
For what is a parabolic trough used?
MIT 6.00 Intro Computer Science (OCW)
  • Stacey Warren - Expert
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  • schrodinger
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  • anonymous A parabolic trough is a type of solar thermal energy collector. It is constructed as a long parabolic mirror (usually coated silver or polished aluminum) with a Dewar tube running its length at the focal point. Sunlight is reflected by the mirror and concentrated on the Dewar tube. A vacuum flask (also known as a Dewar flask, Dewar bottle or Thermos) is an insulating storage vessel which keeps its contents hotter or cooler than its surroundings.

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