Parabolic dish

Parabolic dish
  A high-temperature (above 180 degrees Fahrenheit) solar thermal concentrator, generally bowl-shaped, with two-axis tracking.
  U.S. Dept. of Energy, Energy Information Administration's Energy Glossary

Energy terms . 2014.

Игры ⚽ Нужна курсовая?

Look at other dictionaries:

  • Parabolic Dish —   A solar energy conversion device that has a bowl shaped dish covered with a highly reflective surface that tracks the sun and concentrates sunlight on a fixed absorber, thereby achieving high temperatures, for process heating or to operate a… …   Energy terms

  • Parabolic antenna — A parabolic satellite communications antenna at Erdfunkstelle Raisting, the biggest facility for satellite communication in the world, in Raisting, Bavaria, Germany. It has a Cassegrain type feed. A parabolic antenna is an antenna that uses a… …   Wikipedia

  • dish antenna — n. an antenna consisting of a dish shaped, usually concave parabolic, reflector, used to transmit or receive radio and TV signals, as from orbiting satellites * * * …   Universalium

  • dish antenna — n. an antenna consisting of a dish shaped, usually concave parabolic, reflector, used to transmit or receive radio and TV signals, as from orbiting satellites …   English World dictionary

  • Parabolic reflector — Parallel waves coming in to a parabolic mirror are focused at a point F A parabolic reflector (or dish or mirror) is a reflective device used to collect or project energy such as light, sound, or radio waves. Its shape is that of a circular… …   Wikipedia

  • Parabolic trough — 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 …   Wikipedia

  • dish — I. noun Etymology: Middle English, from Old English disc plate, from Latin discus quoit, disk, dish, from Greek diskos, from dikein to throw Date: before 12th century 1. a. a more or less concave vessel from which food is served b. the contents… …   New Collegiate Dictionary

  • dish aerial — noun directional antenna consisting of a parabolic reflector for microwave or radio frequency radiation • Syn: ↑dish, ↑dish antenna, ↑saucer • Hypernyms: ↑directional antenna • Hyponyms: ↑scanner …   Useful english dictionary

  • dish antenna — noun directional antenna consisting of a parabolic reflector for microwave or radio frequency radiation • Syn: ↑dish, ↑dish aerial, ↑saucer • Hypernyms: ↑directional antenna • Hyponyms: ↑scanner …   Useful english dictionary

  • dish — A parabolic reflector type of radio or radar antenna …   Aviation dictionary

Share the article and excerpts

Direct link
Do a right-click on the link above
and select “Copy Link”