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2. Functional characteristics of an exchanger
If you want to define a heat exchanger unambiguously, with a view to its construction, purchase or on-site verification of its performance, it is essential to fill in all the items below in the form of a data sheet.
2.1 Function
This is the first point that needs to be made because, depending on whether they are to act as evaporators or condensers, the two types of appliance, despite their similarity in terms of technology (multitubular or finned), differ in specific details linked to their functions, such as refrigerant supply or the nature of the materials used.
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Functional characteristics of an exchanger
Evaporators
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Air conditioning – Refrigeration
In 2007, UNICLIMA companies saw their business grow by +5.7% compared to 2006. Business is therefore growing strongly on both the domestic and export markets.
As a result, and in contrast to previous years, the industry's growth rate is very close to the average for the mechanical...
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Bibliography
Software tools (non-exhaustive list)
Thermodynamic properties of PYC refrigerants IIF Books
CDRom 2002
ClRCUlFRlGO calculation and simulation of a refrigeration plant
PYC Books JC. Concept 2004
Thermofluid Dehon
Solkane Solvay
Autospeed Logiciel de dessin sous autocad, PYC Livres, LHEUREUX...
Event
Colloques AFCE du 9 octobre 2008. Refrigerant regulation. The end of R22 and low GWP fluids. Next symposium: 15/10/2009
Standards and norms
ISO international standards
- Systèmes frigorifiques mécaniques utilisés pour le refroidissement et le chauffage. Prescriptions de sécurité - ISO 5149 -
- Compresseurs pour fluides frigorigènes. Présentation des performances - ISO 9309 -
- Sécurité et exigences environnementales des systèmes de réfrigération - TC 86/SC 1 -
- Termes et définitions - TC 86/SC 2 -
- Essais et point nominal...
Regulations
Pressure equipment regulations
In the past, it was defined by a decree of 1943, subsequently revised in 1960. As part of the harmonization of technical regulations, the European Union has issued a Pressure Equipment Directive (PED) (no. 97/23), which becomes the only rule in force in each member state; for France, the transcription is the subject of a decree and order no. 99-1046 of 13/12/1999.
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Hamon http://www.hamon.com
Heatcraft http://www.heatcrafteurope.com
Jacir http://www.cofinair.fr
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