/down"kum'euhr/, n.
a pipe, tube, or passage for conducting fluid materials downward.
[1865-70; DOWN1 + COMER]

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Universalium. 2010.

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  • Downcomer — Down com er, n. A pipe to conduct something downwards; specif.: (a) (Iron Manuf.) A pipe for leading the hot gases from the top of a blast furnace downward to the regenerators, boilers, etc. (b) (Steam Engin.) In some water tube boilers, a tube… …   The Collaborative International Dictionary of English

  • downcomer — n. pipe or passage to conduct fluids downward …   English contemporary dictionary

  • downcomer — noun a pipe for the downward transport of water or gas from the top of a furnace or boiler …   English new terms dictionary

  • downcomer — /ˈdaʊnkʌmə/ (say downkumuh) noun a pipe, tube or passage for conducting material downwards …   Australian-English dictionary

  • downcomer — n. a pipe for downward transport of water or gas …   Useful english dictionary

  • Boiling water reactor — A boiling water reactor (BWR) is a type of nuclear reactor developed by the General Electric in the mid 1950s.Fact|date=April 2008 The BWR is characterized by two phase fluid flow (water and steam) in the upper part of the reactor core. See… …   Wikipedia

  • Advanced Boiling Water Reactor — The Advanced Boiling Water Reactor (ABWR) is a Generation III reactor boiling water reactor. The ABWR was designed by General Electric. The standard ABWR plant design has a net output of about 1350 MWe, however General Electric Hitachi (GEH)has… …   Wikipedia

  • Three-drum boilers — Three drum boiler, casing removed …   Wikipedia

  • Schlaufenreaktor — Ein Schlaufenreaktor ist ein verfahrenstechnischer Apparat. Er besteht aus einem Rohrreaktor und einer Stoffrückführung. Durch die Änderung der Größe des Rohres des Reaktors und dem Anteil des rückgeführten Stoffstroms ist das Reaktionsvolumen… …   Deutsch Wikipedia

  • down|come — «DOWN KUHM», noun. 1. downfall; descent. 2. = downcomer. (Cf. ↑downcomer) …   Useful english dictionary

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