BS 848-1:1997
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
Hardcopy , PDF
02-29-2008
English
09-15-1997
1 Scope
2 Normative references
3 Definitions
4 Symbols and units
5 General
6 Instrumentation for pressure measurement
7 Determination of average pressure in an airway
8 Measurement of temperature
10 Determination of power input
11 Measurement of dimensions and determination of areas
12 Determination of air density, humid gas constant and
viscosity
13 Determination of flowrate
14 Calculation of test results
15 Rules for conversion of test results
16 Fan characteristic curves
17 Uncertain analysis
18 Selection of test method
19 Installation of fan and test airways
20 Carrying out the test
21 Determination of flowrate
22 Determination of flowrate using ISO Venturi nozzle
23 Determination of flowrate using multiple nozzles or
Venturi nozzle
24 Determination of flowrate usoing a quadrant inlet nozzle
25 Determination of flowrate using a conical inlet
26 Determination of flowrate using an orifice plate
27 Determination of flowrate using a Pitot-state tube
traverse
28 Installation categories and setups
29 Component parts of standardized airways
30 Common airway segments for ducted fan installation
31 Standardized test chambers
32 Standard methods with test chambers - type A installations
33 Standard methods with outlet-side test ducts - type B
installations
34 Standard methods with inlet-side test ducts or chambers -
Type C installations
35 Standard methods with inlet- and outlet-side test
ducts - type D installations
Annexes
A Fan pressure and fan installation types
B Fan-powered roof exhaust ventilators
C Direct calculations of psan and pn at section n of the fan -
installation types B, C and D
D Fan outlet elbow in case of a non-horizontal discharge
axis
E Bibliography
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