ONORM EN 13141-5 : 2005
Withdrawn
A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.
A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.
VENTILATION FOR BUILDINGS - PERFORMANCE TESTING OF COMPONENTS/PRODUCTS FOR RESIDENTIAL VENTILATION - PART 5: COWLS AND ROOF OUTLET TERMINAL DEVICES
15-04-2021
12-01-2013
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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