• NF EN 14705 : 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): 

    Language(s): 

    Published date:  12-01-2013

    Publisher:  Association Francaise de Normalisation

    Sorry this product is not available in your region.

    Add To Cart

    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 Indice de classement: E38-423. PR NF EN 14705 January 2004. (01/2004) Supersedes NFE 38 422 and NFE 38 423. (12/2005)
    Document Type Standard
    Publisher Association Francaise de Normalisation
    Status Current
    Supersedes
    • Access your standards online with a subscription

      Features

      • Simple online access to standards, technical information and regulations
      • Critical updates of standards and customisable alerts and notifications
      • Multi - user online standards collection: secure, flexibile and cost effective