plenum pressure

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• Plenum — may refer to:* Plenum chamber, a chamber intended to contain air, gas, or liquid at positive pressure * Plenism, or Horror vacui ( nature abhors a vacuum ) * Plenum, a meeting of a deliberative assembly in which all members are present; contrast… …   Wikipedia

• plenum system — or plenum ventilation noun (architecture) An air conditioning system in which the air propelled into a building is maintained at a higher pressure than that of the atmosphere • • • Main Entry: ↑plenum …   Useful english dictionary

• Plenum — Ple num, n. [L., fr. plenus full.] 1. That state in which every part of space is supposed to be full of matter; opposed to {vacuum}. G. Francis. [1913 Webster] 2. (Ventilation) A condition, as in an occupied room, in which the pressure of the air …   The Collaborative International Dictionary of English

• plenum — [plē′nəm, plen′əm] n. pl. plenums or plena [plē′nə] [ModL < L, neut. of plenus, FULL1] 1. space filled with matter: opposed to VACUUM 2. fullness 3. a full or general assembly, as of all members of a legislative body …   English World dictionary

• Plenum chamber — A plenum chamber is a pressurised housing containing a gas or fluid (typically air) at positive pressure (pressure higher than surroundings). One function of the plenum can be to equalise pressure for more even distribution, because of irregular… …   Wikipedia

• plenum ventilation — noun : a system of ventilation that applies the motive force at the inlets, drives the air through the rooms which become plenums, and avoids the incoming of cold drafts * * * a system of mechanical ventilation in which fresh air is forced into… …   Useful english dictionary

• plenum — /plee neuhm, plen euhm/, n., pl. plenums, plena /plee neuh, plen euh/. 1. the state or a space in which a gas, usually air, is contained at a pressure greater than atmospheric pressure. 2. a full assembly, as a joint legislative assembly. 3. a… …   Universalium

• plenum ventilation — a system of mechanical ventilation in which fresh air is forced into the spaces to be ventilated from a chamber (plenum chamber) at a pressure slightly higher than atmospheric pressure, so as to expel foul air. [1835 45] * * * …   Universalium

• plenum chamber — A component of a jet engine designed to hold air at a pressure slightly higher than that of the surrounding air. Plenum chambers stabilize the pressure of the air before it enters the compressor …   Aviation dictionary

• plenum — ple•num [[t]ˈpli nəm, ˈplɛn əm[/t]] n. pl. ple•nums, ple•na [[t]ˈpli nə, ˈplɛn ə[/t]] 1) phs a) the space in which a gas, usu. air, is contained at a pressure greater than atmospheric pressure b) the gas in such a state 2) gov a full assembly, as …   From formal English to slang

• plenum — [1] A chamber, located between the throttle body and the runners of an intake manifold, used to distribute the intake charge evenly and to enhance engine breathing. [2] An enclosure containing air or gas at a higher pressure than exists outside.… …   Dictionary of automotive terms