BS EN ISO 9972:2015
$167.15
Thermal performance of buildings. Determination of air permeability of buildings. Fan pressurization method
| Published By | Publication Date | Number of Pages |
| BSI | 2015 | 38 |
PDF Catalog
| PDF Pages | PDF Title |
|---|---|
| 7 | Foreword |
| 8 | Introduction |
| 9 | 1 Scope 2 Normative references 3 Terms, definitions, and symbols 3.1 Terms and definitions |
| 11 | 3.2 Symbols |
| 12 | 4 Apparatus 4.1 General 4.2 Equipment 4.2.1 Air-moving equipment 4.2.2 Pressure-measuring device 4.2.3 Air flow rate measuring system 4.2.4 Temperature-measuring device 5 Measurement procedure 5.1 Measurement conditions 5.1.1 General |
| 13 | 5.1.2 Measured extent 5.1.3 Time of measurement 5.2 Preparation 5.2.1 Building preparation methods 5.2.2 Heating, ventilation and air conditioning systems and other building equipment |
| 14 | 5.2.3 Intentional openings in the envelope |
| 15 | 5.2.4 Openings inside the measured extent 5.2.5 Air-moving equipment 5.2.6 Pressure measuring devices |
| 16 | 5.3 Steps of the procedure 5.3.1 Preliminary check 5.3.2 Temperature and wind conditions 5.3.3 Zero-flow pressure difference 5.3.4 Pressure difference sequence |
| 17 | 6 Expression of results 6.1 Reference values 6.1.1 Internal volume 6.1.2 Envelope area |
| 18 | 6.1.3 Net floor area 6.2 Calculation of the air leakage rate |
| 21 | 6.3 Derived quantities 6.3.1 General 6.3.2 Air change rate at reference pressure difference 6.3.3 Specific leakage rate (envelope) |
| 22 | 6.3.4 Specific leakage rate (floor) 6.3.5 Effective leakage area 6.3.6 Specific effective leakage area (envelope) 6.3.7 Specific effective leakage area (floor) |
| 23 | 7 Test report 8 Uncertainty 8.1 General |
| 24 | 8.2 Reference value 8.3 Overall uncertainty |
| 25 | Annex A (informative) Description of equipment used to pressurize buildings |
| 27 | Annex B (informative) Dependence of air density on temperature, dew point,and barometric pressure |
| 28 | Annex C (informative) Recommended procedure for estimating uncertaintyin derived quantities |
| 31 | Annex D (informative) Beaufort scale of wind (extract) |
| 34 | Annex E (informative) Detection of the leakage location |
