Low-temperature evaporator which uses a fan to force air rapidly over the evaporator surface.



Related Terms

BOTTOMAIR DELIVERY

A type of air circulation in a temperature control container. Air is pulled by a fan from the top of the container, passed through the evaporator coil for cooling, and then forced through the space under the load and up through the cargo. This type of air ow provides even temperatures.

BLOWER

A fan used to force air under pressure.

FAN TEST

Observations of the quantity, total pressure, and power of air circulated by a fan running at a known constant speed.

ATMOSPHERIC BURNER

A gas burner in which all air for combustion is supplied by natural draft, the inspiriting force being created by gas velocity.

VOLUME OF AIR

The number of cubic feet of air per minute expressed at fan outlet conditions.

FORCED-DRAFT FAN

A fan supplying air under pressure to the fuel burning equipment.

TOPAIR DELIVERY

A type of air circulation in a container. In top air units, air is drawn from the bottom of the container, ltered through the evaporator for cooling and then forced through the ducted passages along the top of the container. This type of air ow requires a special loading pattern.

FORCED-AIR HEATING

A warm-air heating system in which positive air circulation is provided by means of a fan or a blower.

UNITARY SYSTEM

A room unit which performs part or all of the air conditioning functions. It may or may not be used with a central fan system.

AIR-SLIDE CONVEYOR

An air-activated gravity-type conveyor, of the Fuller Company, using low-pressure air to aerate or fluidize pulverized material to a degree which will permit it to flow on a slight incline by the force of gravity.

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