UNI EN 12412-4 : 2004
Current
The latest, up-to-date edition.
THERMAL PERFORMANCE OF WINDOWS, DOORS AND SHUTTERS - DETERMINATION OF THERMAL TRANSMITTANCE BY HOT BOX METHOD - ROLLER SHUTTER BOXES
04-01-2004
Foreword
Introduction
1 Scope
2 Normative references
3 Terms, definitions, symbols, units and subscripts
4 Principle
5 Requirements for test specimen and apparatus
5.1 General
5.2 Surround panels
5.3 Specimen requirements and location
5.4 Calibration panels
5.5 Temperature measurement and baffle position
5.6 Air flow measurements
6 Test procedure
6.1 General
6.2 Calibration measurements
6.2.1 General
6.2.2 Total surface resistance
6.2.3 Surface resistance and surface coefficients of heat transfer
6.2.4 Surround panel and edge corrections
6.3 Measurement procedure for test specimens
7 Test report
Annex A (normative) Determination of the environmental temperature
A.1 General
A.2 Environmental temperature
A.3 Mean radiant temperature
A.4 Convective surface heat transfer coefficient
Annex B (normative) Linear thermal transmittance of the edge zone
Annex C (informative) Example of calibration test and measurement
of the shutter box specimen
C.1 Calibration test with panel size 1,23 m x 1,48 m
C.2 Roller shutter box specimen measurement
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