NF EN 305 : 1997
Current
The latest, up-to-date edition.
HEAT EXCHANGERS - DEFINITIONS OF PERFORMANCE OF HEAT EXCHANGERS AND THE GENERAL TEST PROCEDURE FOR ESTABLISHING PERFORMANCE OF ALL HEAT EXCHANGERS
12-01-2013
Avant-propos
0 Introduction
1 Domaine d'application
2 Références normatives
3 Symboles et abréviations
3.1 Lettres romaines
3.2 Lettres grecques
3.3 Indices
4 Définitions et signification de la performance
4.1 Termes fondamentaux
4.2 Grandeurs caractérisant les échangeurs
thermiques
4.3 bilan énergétique
4.4 coefficients d'échange thermique
4.5 surface d'échange thermique
5 Paramètres de performance
5.1 Grandeurs caractéristiques
5.2 Rapports
6 Informations générales concernant les modes
opératoires d'essai
6.1 Introduction
6.2 Conditions d'essai
6.3 Mode opératoire d'essai
Annexe A (informative) - Bilan énergétique
Annexe B (informative) - Coefficients de transfert thermique
Defines general terms and calculation used in determination of the performance of heat exchangers inclusive of related theory and general test methods. Applicable to heat exchangers graded according to the general arrangement of heat transfer specified by heat transfer surface types of 4.1 and 4.2 of prEN 247:1996.
| DevelopmentNote |
Supersedes NFE 38-321: 1990 (08/2001)
|
| DocumentType |
Standard
|
| PublisherName |
Association Francaise de Normalisation
|
| Status |
Current
|
| Supersedes |
| Standards | Relationship |
| EN 305:1997 | Identical |
| DIN EN 305:1997-07 | Identical |
| UNI EN 305 : 1999 | Identical |
| BS EN 305:1997 | Identical |
| UNE-EN 305:1997 | Identical |
| I.S. EN 305:1997 | Identical |
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