Air for combustion supplied to the furnace to supplement the primary and secondary air.
Related Terms |
AIR COOLER
A factory-encased assembly of elements whereby the temperature of air passing through the device is reduced.
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AIR INFILTRATION
The leakage of air into a room through cracks in doors, windows, and other openings.
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CLEAN ROOM
A facility or enclosure in which air content and other conditions (such as temperature, humidity, and pressure) are controlled and maintained at a specific level by special facilities and operating processes and by trained personnel.
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OUTDOOR AIR
Air taken from outdoors and, therefore, not previously circulated through the system.
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SPREAD
The divergence of the air stream in a horizontal or vertical plane after it leaves the outlet.
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AIR
A substance containing by volume approximately 78 - 79% nitrogen; 20.95% oxygen, 0.94% argon, traces of carbon dioxide, helium, etc.
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ACTIVATED CARBON
Is a specially processed carbon, used as a filter drier. Commonly used to clean air.
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AIR REHEATING
In an air conditioning system, the final step in treatment, in the event the temperature is too low.
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ABSOLUTE HUMIDITY
Amount of moisture in the air, indicated in kg/kg of dry air.
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AERATION
The state of air being suspended in a liquid such as a lubricant or hydraulic fluid.
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