plenum air pressure

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• air-cushion machine — ▪ vehicle Introduction also called  ground effect machine,  or  hovercraft,         any of the machines characterized by movement in which a significant portion of the weight is supported by forces arising from air pressures developed around the… …   Universalium

• 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 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

• Air flow bench — An air flow bench is a device used for testing the internal aerodynamic qualities of an engine component and is related to the more familiar wind tunnel. Used primarily for testing the intake and exhaust ports of cylinder heads of internal… …   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

• Atmospheric pressure — Air pressure redirects here. For the pressure of air in other systems, see pressure. Atmospheric pressure is the force per unit area exerted against a surface by the weight of air above that surface in the Earth s atmosphere. In most… …   Wikipedia

• Air dryer — A compressed air dryer is a device for removing water vapor from compressed air. Compressed air dryers are commonly found in a wide range of industrial and commercial facilities. The process of air compression concentrates atmospheric… …   Wikipedia

• 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 — /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