BS 893:1978
Withdrawn
A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.
Method for the measurement of the concentration of particulate material in ducts carrying gases
Hardcopy , PDF
15-10-2000
English
31-08-1978
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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Withdrawn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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