Ai

AI
Abbreviation of Artificial Intelligence.
Aileron
These are situated on the trailing (back) edge of the wing and are used to make the aircraft roll.
Air
The main constituents of air are Nitrogen, Oxygen, Argon, Carbon Dioxide, Neon, Helium along with a number of other trace gases.
Air Bearing
A bearing which uses an air cushion to separate its rotating surfaces.
Air Blast Circuit Breaker
A circuit breaker using compressed air to force the extinction of the arc through an arc-chute system.
Air Blast Transformer
A transformer cooled by forcing a circulation of air around its windings.
Air Bleeder
A device for removal of air from fluid line.
Air Brake
Used to reduce the speed of an aeroplane.
Air Breather
A device permitting air movement between atmosphere and the component in/on which it is installed.
Air Capacitor
A capacitor, which uses air as the dielectric between the plates.
Air Changes per Hour
The number of times per hour that the volume of a specific room or building is supplied or removed from that space by mechanical and natural ventilation.
Air Circuit Breaker
Automatically interrupts the current flowing through it when the current exceeds the trip rating of the breaker.
Air Cleaner
A filter designed to remove dust and dirt particles from the air.
Air Compressor
A device that provides a volume of air at a pressure above atmospheric pressure.
Air Conditioner
An appliance, system, or mechanism designed to dehumidify and extract heat from an area. Usually this term is reserved for smaller self contained units such as a residential system.
Air Conditioning
The process of treating air to simultaneously control its temperature, humidity, cleanliness, and distribution to meet the requirements of the conditioned space.
Air Conditioning Load
The amount of heat per unit time imposed on a refrigeration system or the required rate of heat removal.
Air Cooling System
Air passes over cooling fins to remove the heat from the system.
Air Core
The term used to describe inductors having no iron, steel, ferrite, or other magnetic core material.
Air Entrainment
The incorporation of air in the form of bubbles as a dispersed phase in the bulk liquid.
Air Equivalent
A measure of the effectiveness of a material in absorbing nuclear radiation, expressed as the thickness of an air layer (at 0°C and 1 atmosphere) causing the same absorption.
Air Exchange Rate
The rate at which outside air replaces indoor air in a given space.
Air Filter
A device for removing impurities from the air.
Air Gap
The distance between two parts with air as the medium between the two parts.
Air Hammer
A hammer that is powered by compressed air.
Air Handling Unit
Equipment that includes a fan or blower, heating and/or cooling coils, regulator controls, condensate drain pans, and air filters.
Air Induction System
The air intake system, that channels clean air and fuel to an internal combustions engine.
Air Injection
The injection of air into a system.
Air Intake Manifold
The air intake manifold of an internal combustion engine performs a number of functions.
Air Intake Noise
The air intake system performs four main functions, one of which is the attenuation of acoustic waves.
Air Intake System
The system that channels clean air and fuel to an internal combustions engine.
Air Intake Valve
Valve that controls the air and fuel flow into an internal combustion engines.
Air Lock
An intermediate enclosed chamber of a vacuum or pressure system through which an object may be passed without materially changing the vacuum or pressure of the system.
Air Motor
A device which converts compressed gas into mechanical force and motion.
Air of Vitriol
An old name for Sulphur Dioxide.
Air Permeability Test
A procedure for determining the fineness of powdered material.
Air Pollution
The presence of contaminants or pollutant substances in the air that interfere with human health or welfare, or produce other harmful environmental effects.
Air Pollution Episode
A period of abnormally high concentration of air pollutants, often due to low winds and temperature inversion, that can cause illness and death.
Air Pressure
The force exerted by the weight of the atmosphere of the Earth.
Air Pressure Switch
A switch that operates at a pre-determined air pressure.
Air Purge
The removal of undesired matter by replacement with air.
Air Quality Criteria
The levels of pollution and lengths of exposure above which adverse health and welfare effects may occur.
Air Quality Standards
The level of pollutants prescribed by regulations that are not be exceeded during a given time in a defined area.
Air Scoop
A forward facing aerodynamic device or opening used to duct cool outside air to some part of the vehicle.
Air Set Cement
A cement that sets through loss of water.
Air Sounding
Measuring atmospheric phenomena or determining atmospheric conditions at altitude.
Air Source Heat Pump
These extract heat directly from the outside air and transfer it to water or air inside the building.
Air Spring
A simple mass on an air spring.
Air Start
An act or instance of starting an aircraft's engine while in flight, especially a jet engine after flameout.
Air Tank
A container which holds air under pressure, normally created by a compressor.
Air Temperature Switch
A switch that operates at a pre-determined air temperature.
Air to Air Heat Exchanger
A method of heat recovery in which the intake and exhaust ducts are brought together at the heat exchanger.
Air Toxics
Pollutants that are known to cause or suspected of causing cancer or other serious health effects, such as developmental effects or birth defects.
Air Valve
Valve that is used to control the flow of air.
Airbag
A bag that is inflated when an impact is detected to restrain a vehicle passenger.
Airborne Sound
Sound that arrives at the point of interest, such as one side of a partition, by propagation through air.
Airbrake
An aerodynamic control which can be extended to increase drag and slow down an aircraft.
Aircraft
Any structure, machine, or contrivance, especially a vehicle, designed to be supported by the air.
Airfield
An area set aside for the operation of aircraft.
Airflow
A flow or stream of air.
Airflow Meter
A sensor that measures the airflow rate through a duct.
Airflow Resistance
The quotient of the air pressure difference across a specimen divided by the volume velocity of airflow through the specimen. The pressure difference and the volume velocity may be either steady or alternating.
Airflow Resistivity
For a homogeneous material it is the quotient of its specific airflow resistance divided by its thickness.
Airfoil
A structure designed to obtain a useful reaction on itself in its motion through the air.
Airframe
The structure of an aircraft, without power plant and systems.
Air-Fuel Ratio
The mass of air supplied to the engine divided by the mass of fuel supplied in the same period of time.
Airscrew
An assembly of radially disposed blades with an airfoil shape that when rotated in air produce thrust.
Airship
A powered lighter-than-air craft.
Airspeed
The speed of something relative to a mass of air or the speed of air relative to a fixed object.
Airy Disc
A pattern of illumination caused by diffraction at the edge of a circular aperture.