NEN EN 13384-1 : 2015
Withdrawn
A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.
A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.
CHIMNEYS - THERMAL AND FLUID DYNAMIC CALCULATION METHODS - PART 1: CHIMNEYS SERVING ONE HEATING APPLIANCE
01-07-2019
12-01-2013
Foreword
1 Scope
2 Normative references
3 Terms and definitions
4 Symbols, terminology and units
5 Calculation method for non-balanced flue chimneys
5.1 General principles
5.2 Pressure requirements
5.3 Temperature requirement
5.4 Calculation procedure
5.5 Flue gas data characterizing the heating appliance
5.6 Characteristic data for the calculation
5.7 Basic values for the calculation
5.8 Determination of the temperatures
5.9 Determination of the density of the flue gas and
the velocity of the flue gas
5.10 Determination of the pressures
5.11 Draught required at the flue gas inlet into the
chimney (P[Ze]) and maximum differential pressure
at the flue gas inlet into the chimney (P[Zoe])
5.12 Calculation of the inner wall temperature at the
chimney outlet (T[iob])
6 Secondary air for negative pressure chimneys
6.1 General
6.2 Calculation method
6.3 Basic values for the calculation of secondary air
6.4 Pressures
6.5 Temperature requirement with secondary air
7 Calculation method for balanced flue chimneys
7.1 General principles
7.2 Pressure requirements
7.3 Temperature requirements
7.4 Calculation procedure
7.5 Flue gas data characterizing the heating appliance
7.6 Characteristic data for the calculation
7.7 Basic values for the calculation
7.8 Determination of the temperatures
7.9 Determination of densities and velocities
7.10 Determination of pressures
7.11 Draught required at the flue gas inlet into the
chimney (P[Ze]) and maximum differential Pressure
at the flue gas inlet into the chimney (P[Zoe])
7.12 Calculation of the inner wall temperature at the
chimney outlet (Ti[ob])
8 Consideration of the condensation heat of the flue gas
water vapour
8.1 General
8.2 Onset of condensation
8.3 Calculation of the flue gas temperature at the outlet
of a chimney segment with condensation
(j greater than or equal to NsegK)
Annex A (informative) Calculation of thermal resistance
Annex B (informative) Tables
Annex C (informative) Chimney outlet with regard to adjacent
buildings
Annex D (informative) Limit curves of the classification for
the draught regulator
Annex E (informative) Determination of the gas constant R
considering the condensation
Bibliography
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