NS EN 305 : 1ED 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
Foreword
Introduction
1 Scope
2 Normative references
3 Symbols and abbreviations
3.1 Roman letters
3.2 Greek letters
3.3 Subscripts
4 Definitions and meaning of performance
4.1 Basic terms
4.2 Parameters characterizing heat exchangers
4.3 Energy balance
4.4 Heat transfer coefficients
4.5 Heat transfer surface
5 Performance parameters
5.1 Characteristic entities
5.2 Ratios
6 General information on test procedures
6.1 Introduction
6.2 Test conditions
6.3 Test procedure
Annexes
A (informative) energy balance
B (informative) Heat transfer coefficients
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