BS 893:1978
Withdrawn
Method for the measurement of the concentration of particulate material in ducts carrying gases
Hardcopy , PDF
English
08-31-1978
10-15-2000
Foreword
Cooperating organizations
Method
1 Scope
2 References
3 Definitions
4 Equipment
5 Basic conditions
6 Preparation for sampling
7 Test procedure
8 Influence of certain parameters on the method of
measurement
Appendices
A Symbols used in the calculations
B Methods and rules for determining the position of
sampling points in circular and rectangular ducts
C Accuracy
Tables
1 Determination of sampling points on each radius using
the tangential rule for circular ducts
2 Determination of sampling points for parallel sided
ducts
3 Values of ki in the expression li = kiD for the
tangential rule
Figures
1 Typical arrangement of measuring equipment
2 Section through typical entry nozzle
3 Section of nozzle wall having one inclined face
4 Section of nozzle wall having two inclined faces
5 Isokinetic sampling
6 Sampling positions in circular ducts - tangential
rule
7 Sampling positions in rectangular and square ducts
Specifies methods intended to be of a higher order of precision than in BS 3405.
| Committee |
EH/2
|
| DocumentType |
Standard
|
| Pages |
20
|
| PublisherName |
British Standards Institution
|
| Status |
Withdrawn
|
| Supersedes |
| EN 12952-15:2003 | Water-tube boilers and auxiliary installations - Part 15: Acceptance tests |
| BS EN 12952-15:2003 | Water-tube boilers and auxiliary installations Acceptance tests |
| BS 5309-2:1976 | Methods for sampling chemical products Sampling of gases |
| BS 3405:1983 | Method for measurement of particulate emission including grit and dust (simplified method) |
| BS 5243:1975 | General principles for sampling airborne radioactive materials |
| DIN EN 12952-15:2004-01 | Water tube boilers and auxiliary installations - Part 15: Acceptance tests; German version EN 12952-15:2003 |
| BS 845-2:1987 | Methods for assessing thermal performance of boilers for steam, hot water and high temperature heat transfer fluids. Comprehensive procedure |
| BS 1042-2.3:1984 | Measurement of fluid flow in closed conduits. Velocity area methods Methods of flow measurement in swirling or asymmetric flow conditions in circular ducts by means of current-meters or Pitot static tubes |
| BS 1042-2.2:1983 | Measurement of fluid flow in closed conduits. Velocity area methods Method of measurement of velocity at one point of a conduit of circular cross section |
| BS 1042-2.1:1983 | Measurement of fluid flow in closed conduits. Velocity area methods Method using Pitot static tubes |
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