EN 13384-1:2002/A1:2005

SLOVENSKI STANDARD
01-januar-2006
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Chimneys - Thermal and fluid dynamic calculation methods - Part 1: Chimneys serving
one appliance
Abgasanlagen - Wärme- und strömungstechnische Berechnungsverfahren - Teil 1:
Abgasanlagen mit einer Feuerstätte
Conduits de fumée - Méthode de calcul thermo-aéraulique - Partie 1: Conduits de fumée
ne desservant qu'un seul appareil
Ta slovenski standard je istoveten z: EN 13384-1:2002/A1:2005
ICS:
91.060.40 Dimniki, jaški, kanali Chimneys, shafts, ducts
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

EUROPEAN STANDARD
EN 13384-1:2002/A1
NORME EUROPÉENNE
EUROPÄISCHE NORM
October 2005
ICS 91.060.40
English Version
Chimneys - Thermal and fluid dynamic calculation methods -
Part 1: Chimneys serving one appliance
Conduits de fumée - Méthode de calcul thermo-aéraulique - Abgasanlagen - Wärme- und strömungstechnische
Partie 1: Conduits de fumée ne desservant qu'un seul Berechnungsverfahren - Teil 1: Abgasanlagen mit einer
appareil Feuerstätte
This amendment A1 modifies the European Standard EN 13384-1:2002; it was approved by CEN on 19 September 2005.
CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for inclusion of this
amendment into the relevant national standard without any alteration. Up-to-date lists and bibliographical references concerning such
national standards may be obtained on application to the Central Secretariat or to any CEN member.
This amendment exists in three official versions (English, French, German). A version in any other language made by translation under the
responsibility of a CEN member into its own language and notified to the Central Secretariat has the same status as the official versions.
CEN members are the national standards bodies of Austria, Belgium, Cyprus, Czech Republic, Denmark, Estonia, Finland, France,
Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Slovakia,
Slovenia, Spain, Sweden, Switzerland and United Kingdom.
EUROPEAN COMMITTEE FOR STANDARDIZATION
COMITÉ EUROPÉEN DE NORMALISATION
EUROPÄISCHES KOMITEE FÜR NORMUNG
Management Centre: rue de Stassart, 36  B-1050 Brussels
© 2005 CEN All rights of exploitation in any form and by any means reserved Ref. No. EN 13384-1:2002/A1:2005: E
worldwide for CEN national Members.

Contents Page
Foreword .4
1 Scope .5
2 Normative references .5
3 Terms and definitions.5
4 Symbols, terminology and units.5
5 Calculation method for non-balanced flue chimneys .6
5.1 General principles.6
5.2.2 Überdruckabgasanlagen (only in the German version) .6
5.4 Calculation procedure .6
5.5 Flue gas data characterizing the heating appliance.6
5.10.4 Wind velocity pressure (P ).7
L
7 Calculation method for balanced flue chimneys .7
7.1 General principles.7
7.2 Pressure requirements .8
7.3 Temperature requirements.9
7.4 Calculation procedure .9
7.5 Flue gas data characterizing the heating appliance.9
7.6 Characteristic data for the calculation .9
7.7 Basic values for the calculation.9
7.7.1 Air temperatures .9
7.7.2 Other basic values .10
7.8 Determination of the temperatures.10

7.8.1 Non-concentric (separate) ducts .10
7.8.2 Concentric ducts – calculation based on a correction factor for heat radiation.11
7.8.3 Concentric ducts – calculation based on calculated heat radiation .26
7.8.4 Mean temperatures for pressure calculation.29
7.9 Determination of densities and velocities.30
7.9.1 Density and velocity of the flue gas .30
7.9.2 Density and velocity of the supply air .30
7.10 Determination of pressures.31
7.10.1 Pressure at the flue gas inlet into the chimney .31
7.10.2 Theoretical draught due to chimney effect in the chimney segment (P ) .32
H
7.10.3 Pressure resistance in the chimney segment (P ) .32
R
7.10.4 Wind velocity pressure (P ).32
L
7.11 Draught required at the flue gas inlet into the chimney (P ) and maximum differential
Ze
pressure at the flue gas inlet into the chimney (P ).32
Zoe
7.11.1 General .32
7.11.2 For the calculation minimum draught for the heating appliance (P ) and maximum
W
differential pressure of the heating appliance (P ) .32
WO
7.11.3 Effective pressure resistance of the connection pipe (P ).32
FV
7.11.4 Pressure resistance of the air supply.32
7.12 Calculation of the inner wall temperature at the chimney outlet (T ).35
iob
8 Consideration of the condensation heat of the flue gas water vapour.36
8.1 General .36
8.2 Onset of condensation .36
8.3 Calculation of the flue gas temperature at the outlet of a chimney segment with
condensation (j ≥ NsegK) .39
Annex B (informative) Tables .45
Annex E (informative) Determination of the gas constant R considering the condensation .47

Foreword
This European Standard (EN 13384-1:2002/A1:2005) has been prepared by Technical Committee
CEN/TC 166 “Chimneys”, the secretariat of which is held by UNI.
This Amendment to the European Standard EN 13384-1:2002 shall be given the status of a national standard,
either by publication of an identical text or by endorsement, at the latest by April 2006, and conflicting national
standards shall be withdrawn at the latest by April 2006.
The following Amendment to EN 13384-1 is an additional specific calculation method for balanced flue
chimneys
- In the Foreword:
th
Change in the 5 paragraph:  … consists of three (instead two) parts:
Add part 13384-3:
Part 3: Methods for the development of diagrams and tables for chimneys serving one heating appliance
According to the CEN/CENELEC Internal Regulations, the national standards organizations of the following
countries are bound to implement this European Standard: Austria, Belgium, Cyprus, Czech Republic,
Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania,
Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Slovakia, Slovenia, Spain, Sweden, Switzerland
and United Kingdom.
1 Scope
rd
Add at the end of the 3 paragraph:
Part 3 describes methods for the development of diagrams and tables for chimneys serving one heating
appliance.
2 Normative references
Delete: "pr" at EN 1856-1 (only in the English version)
3 Terms and definitions
Delete in the first sentence: "1999" at EN 1443. (only in the English version)
Add new definitions:
3.24
air-flue gas system
system of concentric or non-concentric ducts for transport of combustion air from the open air to the heating
appliance and products of combustion from the heating appliance to the open air
3.25
air-supply duct
component or components parallel to the chimney (separate or concentric) that conveys combustion air from
the outside atmosphere to the inlet of the connecting air supply pipe
3.26
balanced flue chimney
chimney where the point of air entry to the air supply duct is adjacent to the point of discharge of combustion
products from the flue, the inlet and outlet being so positioned that wind effects are substantially balanced
3.27
chimney segment
a calculation part of a chimney
3.28
condensate mass flow ( ∆m& )
D
mass of water vapour of the flue gas condensed in the heating appliance, connecting flue pipe or the chimney
per time unit
3.29
connecting air supply pipe
component or components connecting the air supply duct outlet with the room-sealed heating appliance
combustion air inlet
3.30
condensation factor (f )
K
proportion of the theoretical maximum condensation mass flow usable in the calculation
4 Symbols, terminology and units
Add new symbols:
q heat transfer from the flue to the outer surface, in K
C
2 4
σ black body radiation number, in W/(m ·K )
Rad
New title for Clause 5:
5 Calculation method for non-balanced flue chimneys
5.1 General principles
Third indent:
Delete the first word “chimney”.
5.2.2 Überdruckabgasanlagen (only in the German version)
In der Legende ist die 1. Zeile auszutauschen gegen:
P der zur Verfügung stehende Förderdruck der Feuerstätte, in Pa
WO
5.4 Calculation procedure
To the first paragraph add the following sentence:
For new built chimneys, a pre-estimated value for the flue size should be used.
In the third paragraph “5.5.2” shall be replaced by “5.5.3”:
At the end of 5.4 add the following note:
NOTE The temperature requirement need not be met for the following conditions provided that it is accepted that in
case the requirement for temperature is not fulfilled no guarantee can be given that no moisture appears.
The conditions are:
- where the heating appliance is replaced by an appliance that has an output of < 30 kW, and,
- that the flue gas loss of the heating appliance is at least 8 %, and
- that the heating appliance has a draught diverter which provides adequate ventilation in the chimney during
standby periods or periods of low output. This may be achieved by over-sizing the heating appliance output.
5.5 Flue gas data characterizing the heating appliance
Delete in the head line the text “for nominal heat output”.
5.7.1.3 Ambient air temperature
Delete in the second indent the brackets “(including relined chimneys)”.
Delete the third indent (data for “chimneys with ventilated air gaps ventilated in the opposite direction as
the flue gas“).
5.10.1.2 Positive pressure at the flue gas inlet into the positive pressure chimney (P )
ZO
The second paragraph and Equation (30) shall be replaced as follows:
The positive pressure at the flue gas inlet into the chimney P shall be calculated using the following
ZO
equation:
P = P - P + P        in Pa  (30)
ZO R H L
5.10.1.1 Unterdruck an der Abgaseinführung in die Unterdruck-Abgasanlage (P ) (only in the German
Z
version)
Der letzte Satz der Legende ist zu ändern in:
P  der Wind. Widerstandsdruck für den senkrechten Abschnitt der Abgasanlage, i
...