UNI EN 13141-5 : 2005
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
VENTILATION FOR BUILDINGS - PERFORMANCE TESTING OF COMPONENTS/PRODUCTS FOR RESIDENTIAL VENTILATION - PART 5: COWLS AND ROOF OUTLET TERMINAL DEVICES
03-08-2022
01-01-2005
Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Performance testing of aerodynamic characteristics
4.1 Pressure drop
4.1.1 Test installation
4.1.2 Test procedure
4.1.3 Analysis of results
4.2 Suction effect of a cowl
4.2.1 Test installation and conditions
4.2.2 Measurement conditions and uncertainties
4.2.3 Preliminary test
4.2.4 Wind effect and flow rate tests
4.2.5 Test procedure
4.2.6 Analysis of results
4.3 Presentation of results
5 Additional testing for fan assisted cowls
5.1 General
5.2 Aerodynamic testing
5.3 Acoustic testing
5.4 Effective power input
5.4.1 Test Method
5.4.2 Analysis of results
5.4.3 Presentation of results
Annex A (normative) Derivation of values through the
similitude law
Bibliography
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