BS EN ISO 5801:2017
Current
The latest, up-to-date edition.
Fans. Performance testing using standardized airways
Hardcopy , PDF
English
10-11-2017
Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Symbols, abbreviated terms and subscripts
5 General
6 Test configurations
7 Carrying out the test
8 Airways for duct simulations
9 Standardized test chambers
10 Various component parts for a laboratory setup
11 Standard test configurations
12 Measurements
13 Reference conditions
14 General rules for conversion of test results
15 Calculations
16 Fan characteristic curves
17 Uncertainty analysis
Annex A (normative) - Determination of air flow rate
Annex B (informative) - Fan-powered roof exhaust
ventilators
Annex C (informative) - Chamber leakage test
procedure
Annex D (informative) - Fan outlet elbow in the case
of a non-horizontal discharge axis
Annex E (informative) - Input power calculation for
driven fans at design point
Annex F (informative) - Motor fed from a variable
frequency speed device
Annex G (informative) - Axial fans without outlet
guide vanes
Annex H (informative) - Vapour pressure, p[v]
Annex I (informative) - Clearances
Annex J (normative) - Polytropic approach for the
calculation of p[fC] from p[fTe]
Annex K (informative) - Examples for test setups
Annex L (informative) - Measurement of plenum
fans and plug fans
Annex M (informative) - Comparison of NEMA
methodology for calculation motor
efficiency with IEC
Annex N (informative) - Report and results of test
Bibliography
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