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I.S. EN 247:1997

Current

Current

The latest, up-to-date edition.

HEAT EXCHANGERS - TERMINOLOGY

Available format(s)

Hardcopy , PDF

Language(s)

English

Published date

01-01-1997

For Harmonized Standards, check the EU site to confirm that the Standard is cited in the Official Journal.

Only cited Standards give presumption of conformance to New Approach Directives/Regulations.


Dates of withdrawal of national standards are available from NSAI.

€64.00
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Foreword
Introduction
1 Scope
2 Definitions
  2.1 Parallel flow arrangement
  2.2 Counterflow arrangement
  2.3 Pure crossflow
  2.4 Antimethodic overall flow arrangement
  2.5 Methodic overall flow arrangement
  2.6 Two-phase fluid
  2.7 Single-phase fluid
  2.8 Fluidized bed
  2.9 Method of heat transfer
  2.10 Number of passages (passes)
  2.11 Tube sheet
  2.12 General arrangement of heat transfer
  2.13 Steady or permanent thermal conditions
  2.14 Cyclic thermal conditions
3 Terminology - Main criteria
  3.1 Physical criteria
       3.1.1 General arrangement of heat transfer
       3.1.2 Method of heat transfer
       3.1.3 Arrangement of fluid flow
       3.1.4 Thermal conditions of the heat transfer
              surface
       3.1.5 Number and type of fluids
  3.2 Design criteria
       3.2.1 Type of design
       3.2.2 Heat transfer
       3.2.3 Methods to facilitate expansion
       3.2.4 Material of heat transfer wall
       3.2.5 Constructive solutions related to cleaning
       3.2.6 Cleaning possibilities
4 Detailed terminology
  4.1 General arrangement of heat transfer
       4.1.1 With direct transfer
       4.1.2 With accumulation
       4.1.3 In fluidized bed
       4.1.4 With cooling
       4.1.5 With intermediate medium (with natural
              or forced circulation)
  4.2 Method of heat transfer
       4.2.1 Single-phase media in all circuits
       4.2.2 Single-phase media versus two-phase media
              in related circuits
       4.2.3 Two-phase media in all circuits
  4.3 Diagram of fluid flow
       4.3.1 Single pass
       4.3.2 Multiple passes
  4.4 Thermal conditions of heat transfer surface
       4.4.1 Steady
       4.4.2 Cyclic
  4.5 Number of fluids (media)
       4.5.1 Two fluids (media)
       4.5.2 Three fluids (media)
       4.5.3 N fluids (media)
  4.6 Design type
       4.6.1 Shell and tube heat exchangers
       4.6.2 Plate heat exchangers
       4.6.3 Heat exchangers of stacked blocks or with
              crossing channels
       4.6.4 Matrix heat exchangers
  4.7 Heat transfer surfaces and walls
       4.7.1 Smooth
       4.7.2 Coated
       4.7.3 Fabricated
       4.7.4 With built-on elements
       4.7.5 With safety wall (double wall)
  4.8 Expansion possibilities
       4.8.1 Rigid
       4.8.2 Elastic
       4.8.3 Free
       4.8.4 With sealing device
  4.9 Materials of heat transfer wall
       4.9.1 Metallic
       4.9.2 Non-metallic
       4.9.3 Special
       4.9.4 Composite
  4.10 Constructive solutions related to cleaning
       4.10.1 Non-dismountable
       4.10.2 Dismountable
  4.11 Cleaning possibilities
       4.11.1 Mechanical means
       4.11.2 Acoustic means
       4.11.3 Chemical means
Annex A (informative) Main functions of heat exchangers in
                      various technological fields related
                      to this European Standard
Annex B (informative) Examples for illustration of the
                      terminology in clause 4
Figures

Specifies heat exchanger terminology so that consistent terms are used.

DevelopmentNote
Supersedes I.S. ENV 247 (06/2005)
DocumentType
Standard
Pages
30
PublisherName
National Standards Authority of Ireland
Status
Current
Supersedes

Standards Relationship
BS EN 247:1997 Identical
UNE-EN 247:1997 Identical
NF EN 247 : 1997 Identical
EN 247:1997 Identical
NBN EN 247 : 1997 Identical
NEN EN 247 : 1997 Identical
SN EN 247 : 1997 Identical
NS EN 247 : 1ED 1997 Identical
UNI EN 247 : 2001 Identical
DIN EN 247:1997-07 Identical

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