outside air
11Air 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 +… …
12Air cycle machine — An air cycle machine (ACM) is the refrigeration unit of the environmental control system used in pressurized turbine powered aircraft. Normally an aircraft has two to three of these machines arranged in a system called a pack . The cooling… …
13air-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… …
14Air source heat pumps — An air source heat pump is a type of heat pump which use the outside air as a heat source or heat sink to heat or cool an interior space. Air source heat pumps are more efficient than oil, gas, and electric resistance heating in mild climates… …
15Air door — An air door or air curtain is a device used for separating two spaces from each other, usually at the exterior entrance. The most common configuration for air curtains is a downward facing blower fan mounted over an opening. Normally this opening …
16Air filter — An air filter is a device which removes solid particulates such as dust, pollen, mold, and bacteria from air. Air filters are used in applications where air quality is important, notably in building ventilation systems and in engines, such as… …
17Air Movement and Control Association — The Air Movement and Control Association International, Inc. (AMCA; pronounced Am Cah ) is a nonprofit organization that creates standards for, tests, and rates Heating, Ventilating, and Air Conditioning (HVAC) equipment. It is best known for its …
18air temperature — The various types of temperatures include: i. Indicated air temperature (IAT). The uncorrected reading from the free air temperature gauge. ii. Basic air temperature (BAT). The indicated air temperature corrected for instrument error. iii. True… …
19air duct — noun a duct that provides ventilation (as in mines) • Syn: ↑air passage, ↑airway • Hypernyms: ↑duct • Hyponyms: ↑register, ↑snorkel, ↑ …
20air data computer — An electronic digital computer in aircraft that senses or computes static and pitot pressure, outside air and total air temperature, IAS (indicated air speed), TAS (true air speed), pressure altitude, Mach number, angle of attack, and angle of… …
