precooler

precooler

[prē′kül·ər]
(mechanical engineering)
A device for reducing the temperature of a working fluid before it is used by a machine.

precooler

A type of heat exchanger in the aircraft air-conditioning system that is like a radiator. The air to be cooled passes around the cores through which the ram air passes.
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References in periodicals archive ?
The superfrs requires an additional precooler, The so-called cool down and warm up unit (cwu) due to its enormous cold mass of roughly 1 500 t.
At the heart of the breakthrough is the development of the precooler, made from inconel 718, a strong and highly corrosion-resistant aerospace alloy.
The precooler allows the hot compressed air from the turbines to be processed at a substantially cooler temperature than was previously possible, which, in turn, cools the aircraft's interior and prime mission equipment, as well as positively affecting other secondary systems.
For evaporatively cooled condensers, consider the example of an evaporative precooler added to an air-cooled condenser, at AHRI standard conditions, as discussed in the Emerging Technologies column in the October 2011 ASHRAE Journal.
A desiccant wheel system with precooler can be added as an option.
Hot water dip followed by cooling--By using hot water bath and forced air precooler (Rinac India Ltd.
It is a heat pump system consisting of a two-stage rotary compressor, an oil separator, a preheater, a precooler, a gas cooler, four expansion valves, a test section, an auxiliary evaporator, and an accumulator.
One of the unique features of the control system is its two large flat-panel displays of the Precooler temperatures that are large enough for the fork lift drivers to see as they zip by.
This AD requires revising the Airplane Flight Manual and eventual disconnection of the precooler differential pressure switches.
Optional factory-mounted precooler or valve station for economized operation.
The coarse product is then put through a precooler where it is sprayed with liquid nitrogen at -320 [degrees] or 195 [degrees] C.