ASHRAE FUN IP CH 19 Refrigerants

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ASHRAE FUN IP CH 19 Document Information:

Title
Refrigerants

American Society of Heating, Refrigerating and Air-Conditioning Engineers, Inc.

Publication Date:
Jan 1, 2005

Scope:

REFRIGERANTS are the working fluids in refrigeration, air-conditioning, and heat-pumping systems. They absorb heat from one area, such as an air-conditioned space, and reject it into another, such as outdoors, usually through evaporation and condensation, respectively. These phase changes occur both in absorption and mechanical vapor compression systems, but not in systems operating on a gas cycle using a fluid such as air. (See Chapter 1 for more information on refrigeration cycles.) The design of the refrigeration equipment depends strongly on the properties of the selected refrigerant. Tables 1 and 2 list standard refrigerant designations, some properties, and safety classifications from ASHRAE Standard 34.

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