Parabolic Dish Reflectors (PDRs)

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Questions and Answers

What is the main function of a parabolic dish reflector (PDR)?

  • Storing solar energy in batteries
  • Concentrating solar energy onto a receiver (correct)
  • Reflecting sunlight into the atmosphere
  • Generating electricity directly from sunlight

What is a key advantage of parabolic dish systems?

  • They are the easiest to install
  • They have the lowest concentration ratios
  • They are the most efficient of all collector systems (correct)
  • They require minimal maintenance

What is the function of heliostats in Heliostat Field Collectors (HFCs)?

  • Blocking sunlight from reaching the ground
  • Reflecting direct solar radiation onto a common target (correct)
  • Scattering sunlight in multiple directions
  • Absorbing solar energy for electricity generation

What type of energy conversion occurs in the receiver of a parabolic dish system?

<p>Radiant solar energy to thermal energy (C)</p> Signup and view all the answers

Why are parabolic dishes often referred to as distributed receiver systems?

<p>Because the receivers are distributed throughout a collector field (C)</p> Signup and view all the answers

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