BS ISO 16956:2015
Current
The latest, up-to-date edition.
Thermal performance in the built environment. Determination of air flow rate in building applications by field measuring methods
Hardcopy , PDF
English
31-01-2015
Foreword
1 Scope
2 Normative references
3 Terms and definitions
4 Symbols and abbreviated terms
5 Types and selection of measurement method
6 Basic specifications measuring instruments
and utilization methods
7 Field measuring methods of air flow rate of
ventilation and air conditioning systems
8 Uncertainty
9 Measurement report
Annex A (normative) - Position for cross-section
measurement in a duct using multipoint
measurement method
Annex B (normative) - Accuracy of air velocity
measurement instrument
Annex C (informative) - Types of tracer gas
Bibliography
Provides the methods for measuring the rate of air flow through the ducts in a steadily operating ventilation and air-conditioning system and in the air control ports including air diffuser, suction opening, and exhaust opening.
| Committee |
B/540/8
|
| DevelopmentNote |
Supersedes 14/30285986 DC. (02/2015)
|
| DocumentType |
Standard
|
| Pages |
34
|
| PublisherName |
British Standards Institution
|
| Status |
Current
|
| Supersedes |
In the cooling and heating loads of a building, the air taken in from outside account for a large portion of the entire load; in order to estimate this load, it is necessary to correctly grasp the air flow rate of ventilation and air-conditioning systems. This International Standard stipulates the methods for measuring the rate of air flow through the ducts in a steadily operating ventilation and air-conditioning system and in the air control ports including air diffuser, suction opening, and exhaust opening.
| Standards | Relationship |
| ISO 16956:2015 | Identical |
| ISO 5168:2005 | Measurement of fluid flow — Procedures for the evaluation of uncertainties |
| ISO 5801:2017 | Fans — Performance testing using standardized airways |
| ISO 3966:2008 | Measurement of fluid flow in closed conduits — Velocity area method using Pitot static tubes |
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