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2. Selection criteria for heat and cold transfer fluids
2.1 Criteria related to the fluid's area of use
The first criterion for choosing a heat- or cold-transfer fluid is based on the operating temperature range, i.e. the minimum and maximum operating values.
The minimum value for use is the freezing temperature. This is obviously a limit that must not be exceeded. In many practical cases, we prefer to use the pumpability threshold, when this is known: this is the temperature below which it is impossible to use a centrifugal pump, corresponding to a dynamic viscosity limit of 300 mm 2 /s (i.e. 300 cSt).
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The maximum utilization value is conditioned by two distinct parameters:
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Selection criteria for heat and cold transfer fluids
Conclusion
Bibliography
- Association française du froid - Guide technique pour le refroidissement indirect. - http://www. association-francaise-du-froid.fr/ouvrages.php
- ASHRAE handbook....
Software tools
COOLPACK, software for calculating fluid physical properties and thermodynamic cycles https://www.ipu.dk/products/coolpack/
EES, equation solver with fluid database
ECHTHERM, a software package developed by GRETh to calculate heat exchangers, including a fluid database
Regulations
Regulation (EU) No 517/2014 of the European Parliament and of the Council of 16 April 2014 on fluorinated greenhouse gases and repealing Regulation (EC) No 842/2006. Text of April 16, 2014, published in the Official Journal of the European Union on May 20, 2014. https://aida.ineris.fr/consultation_document/30790
Organizations
Associations
IIF/IIR Institut international du froid/International Institute of Refrigeration http://www.iifiir.org
ASHRAE American Society of Heating, Refrigerating and Air-Conditioning Engineers http://www.ashrae.org
AFF Association...
Commercial fluids
The names and suppliers of the main commercial fluids are listed in tables 1 and 2 below.
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