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Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
View Superseded by
Fans for general purposes Performance testing using standardized airways
Hardcopy , PDF
29-02-2008
English
15-09-1997
Important note : Users cannot be edited or removed once added to your Multi user PDF.
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
Concerned with determining the performance of industrial fans of all types, not including those intended solely for the circulation of air (such as ceiling and table fans). Provides estimates of uncertainty for speed changes, gas handled and size.
| Committee |
MCE/17
|
| DevelopmentNote |
Supersedes 93/703567 DC and BS 848-1(1980) (10/2005)
|
| DocumentType |
Standard
|
| Pages |
248
|
| PublisherName |
British Standards Institution
|
| Status |
Superseded
|
| SupersededBy |
| ISO 5168:2005 | Measurement of fluid flow — Procedures for the evaluation of uncertainties |
| IEC 60051-4:1984 | Direct acting indicating analogue electrical measuring instruments and their accessories. Part 4: Special requirements for frequency meters |
| NFX 10 200 : 1986 | REGLES D'ESSAIS AERAULIQUES EN PLATE-FORME DES VENTILATEURS A ENVELOPPE REFOULANTS ET ASPIRANTES-REFOULANTS - METHODE DU CAISSON REUIT AU REFOULEMENT |
| AMCA 210 : 2016 | LABORATORY METHODS OF TESTING FANS FOR CERTIFIED AERODYNAMIC PERFORMANCE RATING |
| IEC 60051-2:1984 | Direct acting indicating analogue electrical measuring instruments and their accessories. Part 2: Special requirements for ammeters and voltmeters |
| ISO 5167-1:2003 | Measurement of fluid flow by means of pressure differential devices inserted in circular cross-section conduits running full Part 1: General principles and requirements |
| IEC 60034-2:1972 | Rotating electrical machines. Part 2: Methods for determining losses and efficiency of rotating electrical machinery from tests (excluding machines for traction vehicles) |
| ISO 5221:1984 | Air distribution and air diffusion Rules to methods of measuring air flow rate in an air handling duct |
| ISO 3966:2008 | Measurement of fluid flow in closed conduits Velocity area method using Pitot static tubes |
| NFE 51 100 : 83 FD | INDUSTRIAL FANS - COMPRESSIBILITY EFFECT OF THE FLUID |
Access your standards online with a subscription
Features
-
Simple online access to standards, technical information and regulations.
-
Critical updates of standards and customisable alerts and notifications.
-
Multi-user online standards collection: secure, flexible and cost effective.