ambient pressure
11pressure altitude — noun : the altitude corresponding to a given pressure in a standard atmosphere * * * Meteorol. the altitude for a given pressure in a standard atmosphere, such as that registered by a pressure altimeter. * * * pressure altitude noun (aeronautics) …
12pressure suit — /ˈprɛʃə sut/ (say preshuh sooht) noun a garment designed to provide body pressure and air, for use in conditions, as in high flying aircraft and spacecraft, where the ambient pressure is low. Also, pressurised suit …
13Pressure swing adsorption — (PSA) is a technology used to separate some gas species from a mixture of gases under pressure according to the species molecular characteristics and affinity for an adsorbent material. It operates at near ambient temperatures and so differs from …
14Pressure measurement — The construction of a bourdon tube gauge, construction elements are made of brass Many techniques have been developed for the measurement of pressure and vacuum. Instruments used to measure pressure are called pressure gauges or vacuum gauges. A… …
15Ambient noise level — In atmospheric sound transmission or noise pollution, ambient noise level is the sound pressure level at a given location, normally specified as a reference level to study a new intrusive sound source.Ambient sound levels are often measured in… …
16pressure — 1. A stress or force acting in any direction against resistance. 2. (P, frequently followed by a subscript indicating location)In physics and physiology, the force per unit area exerted by a gas or liquid against the walls of its container or… …
17Pressure carburetor — A pressure carburetor is a type of fuel metering system for piston aircraft engines manufactured by the Bendix Corporation starting in the 1940s. It is recognized as an early type of mechanical fuel injection and was developed to prevent fuel… …
18Pressure-fed cycle (rocket) — The pressure fed cycle is a class of rocket engine designs. A separate gas supply, usually helium, pressurizes the propellant tanks to force fuel and oxidizer to the combustion chamber. To maintain adequate flow, the tank pressures must exceed… …
19pressure breathing — The technique of breathing which is required when oxygen is supplied direct to an individual at a pressure higher than the ambient barometric pressure …
20ambient — adjective technical ambient temperature/pressure the temperature etc of the surrounding area …
