volume air space
31air-conditioning — Control of temperature, humidity, purity, and motion of air in an enclosed space, independent of outside conditions. In a self contained air conditioning unit, air is heated in a boiler unit or cooled by being blown across a refrigerant filled… …
32Space activity suit — The Space Activity Suit developed by Paul Webb and built under a NASA project. The image shows the complete multi layer suit and positive pressure helmet, lacking only the backpack. (taken 1971) A space activity suit is a kind of spacesuit which… …
33Space elevator safety — There are many safety issues associated with the construction and operation of a space elevator. A space elevator would present a considerable navigational hazard, both to aircraft and spacecraft. Aircraft could be dealt with by means of simple… …
34Aïr — /ah ear/, n. a region in N Niger, in the Sahara: low massif and oases. ab. 30,000 sq. mi. (77,700 sq. km). Also called Asben. * * * I Mixture of gases constituting the earth s atmosphere. Some gases occur in steady concentrations. The most… …
35space — Synonyms and related words: 3 D, CAT, accommodation, aerospace, aerosphere, aesthetic distance, air hole, air pocket, airspace, alien, align, allocate, allot, amount, ample scope, amplitude, aperture, apportion, area, arrange, array, astronomical …
36Air traffic control — For the Canadian musical group, see Air Traffic Control (band). Airport Traffic Control Towers (ATCTs) at Amsterdam s Schiphol Airport, the Netherlands …
37Air handler — An air handling unit; air flow is from the right to left in this case. Some AHU components shown are: 1 Supply duct 2 Fan compartment 3 Vibration isolator ( flex joint ) 4 Heating and/or cooling coil 5 Filter compartment 6 Mixed (recirculated +… …
38Air preheater — An air preheater or air heater is a general term to describe any device designed to heat air before another process (for example, combustion in a boiler) with the primary objective of increasing the thermal efficiency of the process. They may be… …
39Volume of fluid method — In Computational fluid dynamics, Volume of fluid (VOF) method is a numerical technique for tracking and locating the free surface (or fluid fluid interface).Method is known for its ability to conserve the mass of the traced fluid, also, when… …
40Air Change — A measure of the rate at which the air in an interior space is replace by outside (or conditioned) air by ventilation and infiltration; usually measured in cubic feet per time interval (hour), divided by the volume of air in the room. ***… …
