• There are no items in your cart

BS 848-1:1997

Superseded
Superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

View Superseded by
superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

Fans for general purposes Performance testing using standardized airways
Available format(s)

Hardcopy , PDF

Superseded date

02-29-2008

Language(s)

English

Published date

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

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

View more information
US$426.44
Excluding Tax where applicable

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.