Introduction to Gas Refrigeration Systems
So far in this chapter, we have only considered
vapor-compression refrigeration cycles.
In this lesson, we will consider
gas refrigeration cycles.
Gas refrigeration cyclestend to be less efficient than
vapor-compression refrigeration cycles, but they do have certain advantages.
Gas refrigeration cyclesare relatively lightweight. This makes them well-suited to mobile
refrigerationapplications, such as in airplanes.
Gas refrigeration cyclesare not limited by the vapor pressure of the working fluid. As a result,
gas refrigeration systemscan bring the temperature of the refrigerated space down to very low temperatures. In fact, with a regenerator, a
gas refrigeratorcan reach cryogenic temperatures used to liquify many gases.
The model we will use for
gas refrigeration systemsis the reverse
Air-Standard Brayton Cycleintroduced in chapter 9 in our study of
So, if you understood the
Air-Standard Brayton Power Cycle, this lesson will be just a brief review.
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