has thousands of thin-walled tubes filled with helium, providing a high surface area with low weight and rapidly absorbing heat.
After transferring energy to the high pressure side, the low pressure side s-C[O.sub.2] is then cooled to be close to the critical temperature of s-C[O.sub.2] by secondary water flow in the precooler
. The s-C[O.sub.2] flow rejects heat in the precooler
and makes sure that the high density s-C[O.sub.2] is compressed by the compressor.
Firstly, a portion of S-C[O.sub.2] exiting from LTR hot side is cooled in the precooler
(PC), compressed by the MC and preheated in the LTR sequentially.
As a general rule, the once-through water from condensers and precooler
is collected in open tanks and used for flushing manure from the freestalls and milk barns.
For example, the working fluid exchanges heat at the precooler
* Evaporative desuperheater * Evaporative 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.
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., Bangalore, India)
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.