• BS 4485-2:1988

    Current The latest, up-to-date edition.

    Water cooling towers Methods for performance testing

    Available format(s):  Hardcopy, PDF

    Language(s):  English

    Published date:  30-09-1988

    Publisher:  British Standards Institution

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    Table of Contents - (Show below) - (Hide below)

    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

    Abstract - (Show below) - (Hide below)

    Determination of the performance of industrial mechanical draught and natural draught towers.

    Scope - (Show below) - (Hide below)

    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.

    General Product Information - (Show below) - (Hide below)

    Committee B/525
    Development Note 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)
    Document Type Standard
    Publisher British Standards Institution
    Status Current
    Supersedes

    Standards Referencing This Book - (Show below) - (Hide below)

    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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