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2. Water and brine
2.1 Water
Water is the most widely used heat transfer medium: in fact, it's the most interesting medium whenever temperatures above 0°C can be accommodated.
In cases where parts of the refrigerant-carrier circuit have temperatures below 0°C (the "coldest" parts of the circuit are the evaporator walls), only aqueous solutions containing a component that helps lower the freezing point can be used: this is the case for many organic or inorganic salts.
SCROLL TO TOP2.2 Main salts used in brines
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Water and brine
Bibliography
Software tools
COOLPACK, software for calculating fluid physical properties and thermodynamic cycles http://en.ipu.dk/lhdhold/refrigeration-and-energy-technology/coolpack.aspx
REFPROP, NIST (USA) software for calculating refrigerant properties
EES, equation solver with...
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Glycol and alcohol
Dow Chemical Company http://www.dow.com
Clariant International Ltd http://www.clariant.com
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