BS 4485-2:1988
Current
The latest, up-to-date edition.
Water cooling towers Methods for performance testing
Hardcopy , PDF
English
30-09-1988
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Foreword
Committees responsible
Methods
1 Scope
2 Definitions
3 Symbols and units
4 Conditions of validity of tests
5 Instruments and methods of measurement
6 Test checks and readings
7 Performance test procedure
8 Computation of results
9 Evaluation of thermal performance
Appendices
A - Matters to be agreed between purchaser and supplier
B - Guidance on precipitation rates and determination
of droplet size for the evaluation of drift
nuisance
C - Methods for evaluating test results
D - Computer program for calculating performance
capability
E - Determination of test value of L/G for natural
draught towers
F - Example of determination of cooling tower
capability from calculation of KaV/L value
Determination of the performance of industrial mechanical draught and natural draught towers.
| Committee |
B/525
|
| DevelopmentNote |
Partially supersedes BS 4485-1(1969) Supersedes BS 4485-2(1969) and 85/15355 DC. (08/2005) Reviewed and confirmed by BSI, December 2011. (11/2011)
|
| DocumentType |
Standard
|
| Pages |
36
|
| PublisherName |
British Standards Institution
|
| Status |
Current
|
| Supersedes |
This Part of BS 4485 describes methods for the determination of the performance of industrial mechanical draught and natural draught water cooling towers.
This Part of BS 4485 can also be applied to other forms of cooling towers.
NOTE 1. The matters to be agreed between purchaser and supplier are listed in appendix A.
NOTE 2. The titles of the publications referred to in this standard are listed on page 33.
| BS 2690-11:1971 | Methods of testing water used in industry Anionic, cationic and non-ionic detergents and oil |
| BS 2690-9:1970 | Methods of testing water used in industry Appearance (colour and turbidity), odour, suspended and dissolved solids, and electrical conductivity |
| BS 4485-4:1975 | Water cooling towers Structural design of cooling towers |
| BS 3680-3A:1980 | Measurement of liquid flow in open channels. Stream flow measurement Velocity-area methods |
| BS 1042-1.1(1981) : 1981 | MEASUREMENT OF FLUID FLOW IN CLOSED CONDUITS - SPECIFICATION FOR SQUARE-EDGED ORIFICE PLATES, NOZZLES AND VENTURI TUBES INSERTED IN CIRCULAR CROSS SECTION CONDUITS RUNNING FULL |
| BS 752:1974 | Test code for acceptance of steam turbines |
| BS 3680-8A:1973 | Measurement of liquid flow in open channels. Measuring instruments and equipment Current meters incorporating a rotating element |
| BS 3680-2C:1983 | Measurement of liquid flow in open channels. Dilution methods Methods of measurement using radioactive tracers |
| BS 1042-2.1:1983 | Measurement of fluid flow in closed conduits. Velocity area methods Method using Pitot static tubes |
| BS 1042-1.2(1984) : LATEST | SPEC. FOR SQUARE-EDGED ORIFICE PLATES, NOZZLES (WITH DRAIN HOLES, IN PIPES BELOW 50MM DIAMETER, AS INLET AND OUTLET DEVICES) AND OTHER ORIFICE PLATES AND BORDA INLETS |
| BS 3680-2A:1964 | Measurement of liquid flow in open channels. Dilution methods Constant rate injection |
| BS 1042-1.4(1984) : 1984 | MEASUREMENT OF FLUID FLOW IN CLOSED CONDUITS - GUIDE TO THE USE OF DEVICES SPECIFIED IN SECTIONS 1.1 AND 1.2 |
| BS 5969:1981 | Specification for sound level meters |
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