BS 4773-1.1:1991
Withdrawn
A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.
Methods for testing and rating air terminal devices for air distribution systems. Aerodynamic testing Testing under laboratory conditions
Hardcopy , PDF
01-12-2003
English
28-02-1992
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Committees responsible
Foreword
Methods
1 Scope
2 Definitions
3 Symbols and suffixes
4 Instrumentation
5 Testing to determine pressure/flow rate
characteristics of a supply air terminal device
6 Testing to determine pressure/flow rate
characteristics of an exhaust air terminal device
7 Test to determine the area factor
8 Tests to measure the air discharge characteristics
of a supply air terminal device
9 Report format
Appendix
A Example of a suitable test report
Tables
1 Minimum accuracies for flow meters
2 Minimum accuracy and maximum scale intervals of
pressure-measuring instruments
3 Vertical traverse interval
Figures
1 Supply of air with a temperature equal to the room
air temperature
2 Supply of air with a temperature (a) colder or (b)
warmer than the room air temperature
3 Air supply from a ceiling-mounted air terminal
device, which may provide one, two or several air
jets
4 Air supply from an air terminal device where the
diffusion distribution is circular
5 Air supply from an air terminal device with vertical
direction of the air jet
6 Specimen meter scale
7 Test installation A
8 Pitot-static tube locations for the measurement of
total pressure in test installations A and C
9 Test installation B
10 Test installation C
11 Test installation D
12 Air terminal device positions for tests to measure
envelope characteristics
13 Determination of path maximum velocity in discharge
airstream
14 Determination of envelope
15 Typical plot for determination of envelope boundary
point
16 Typical plot for determination of throw
17 Typical plot for determination of spread
18 Typical plot for determination of rise and drop
Testing of devices and the assessment of their performance over a range of operating conditions.
| Committee |
RHE/2
|
| DocumentType |
Standard
|
| Pages |
34
|
| PublisherName |
British Standards Institution
|
| Status |
Withdrawn
|
| Supersedes |
| ISO 5219:1984 | Air distribution and air diffusion Laboratory aerodynamic testing and rating of air terminal devices |
| BS 1042-2.1:1983 | Measurement of fluid flow in closed conduits. Velocity area methods Method using Pitot static tubes |
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