• DIN EN 14705 E : 2005

    Current The latest, up-to-date edition.

    HEAT EXCHANGERS - METHOD OF MEASUREMENT AND EVALUATION OF THERMAL PERFORMANCES OF WET COOLING TOWERS

    Available format(s):  Hardcopy, PDF

    Language(s):  English

    Published date:  01-01-2005

    Publisher:  German Institute for Standardisation (Deutsches Institut für Normung)

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

    Foreword
    1 Scope
    2 Normative references
    3 Terms, definitions and symbols
       3.1 Terms and definitions
       3.2 Symbols
    4 Performance tests - General
    5 Guarantee
       5.1 General
       5.2 Guarantee documents
       5.3 Validity conditions for measurements
    6 Test procedure
       6.1 Test parameters
       6.2 Quantities to be measured
       6.3 Quantities to be determined
       6.4 Measurements and calculation of the
            mean quantities
       6.5 Arrangement of measuring devices
       6.6 Measuring apparatus
    7 Conducting the performance tests
       7.1 Definition of a test
       7.2 Duration of the test
    8 Calculation methods
       8.1 General
       8.2 Methods
    9 Evaluation of thermal performances
       9.1 General
       9.2 Basic thermal performance test evaluation
       9.3 Extended thermal performance test evaluation
    10 Test tolerance
       10.1 General
       10.2 Error created by non-measurable systematic
            deviations of operating parameters
    Annex A (informative) Performance curves
    Annex B (normative) Requirements concerning the measuring
                          apparatus used for the tests
    Annex C (normative) Calculation of the evaporated water
                          flow rate
    Annex D (normative) Reminders on error calculations
    Annex E (normative) Cold water temperature correction for
                          heat added by pump
    Bibliography

    Abstract - (Show below) - (Hide below)

    Defines requirements, test methods and acceptance tests for thermal performances pumping head verification of wet cooling towers and plume abatement for wet/dry cooling towers.

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

    Development Note Supersedes DIN 1947 E. (01/2006)
    Document Type Standard
    Publisher German Institute for Standardisation (Deutsches Institut für Normung)
    Status Current

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

    EN 13741:2003 Thermal performance acceptance testing of mechanical draught series wet cooling towers
    ISO 2975-3:1976 Measurement of water flow in closed conduits — Tracer methods — Part 3: Constant rate injection method using radioactive tracers
    EN 872:2005 Water quality - Determination of suspended solids - Method by filtration through glass fibre filters
    EN 306:1997 Heat exchangers - Methods of measuring the parameters necessary for establishing the performance
    EN 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 (ISO 5167-1:2003)
    EN 60751:2008 INDUSTRIAL PLATINUM RESISTANCE THERMOMETERS AND PLATINUM TEMPERATURE SENSORS
    ISO/TR 3313:1998 Measurement of fluid flow in closed conduits Guidelines on the effects of flow pulsations on flow-measurement instruments
    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 60751:2008 Industrial platinum resistance thermometers and platinum temperature sensors
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