• IEC 60995:1991

    Superseded A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

    Determination of the prototype performance from model acceptance tests of hydraulic machines with consideration of scale effects

    Available format(s):  Hardcopy, PDF, PDF 3 Users, PDF 5 Users, PDF 9 Users

    Superseded date:  01-11-1999

    Language(s):  English - French

    Published date:  19-09-1991

    Publisher:  International Electrotechnical Committee

    Add To Cart

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

    Cooperating organizations
    National foreword
    Foreword
    Section One - General
    1. Introduction
    1.1 General remarks
    1.2 Basic statements and assumptions
    2. Object and scope
    Section Two - Terms, symbols and definitions
    3. General
    4. List of terms
    Section Three - Scale formula, procedure for its
    application and loss distribution coefficients
    5. General scale formula
    6. Procedure of application
    6.1 General
    6.2 Determination of the basic model data: eta h opt M,
         Reu opt M and delta ref
    6.3 Determination of triangle eta h
    6.4 Application of the general formula for special
         testing conditions
    7. Values for loss distribution coefficients Vref
    Section Four - Prototype performance
    8. Calculation of prototype performance
    8.1 Conversion formulae
    Appendix A - Additional comments
    A.1 Explanations
    A.2 Derivation of the general scale formula
    A.3 Relation to the existing IEC Publications 193 and 497
    Appendix B - Physical data
    B.1 Acceleration due to gravity
    B.2 Density of water
    B.3 Kinematic viscosity of water
    Appendix C - References
    Annex ZA - (normative) Other international publications
    quoted in this standard with the references of
    the relevant European publications
    National annex NA (informative) Committees responsible

    Abstract - (Show below) - (Hide below)

    Supplements IEC 60193, 60193A and 60497, which are concerned with testing homologous models of hydraulic turbomachines.

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

    Development Note Also numbered as BS EN 60995. (12/2005)
    Document Type Standard
    Publisher International Electrotechnical Committee
    Status Superseded
    Superseded By

    Standards Referenced By This Book - (Show below) - (Hide below)

    IEC TR 61366-3:1998 Hydraulic turbines, storage pumps and pump-turbines - Tendering documents - Part 3: Guidelines for technical specifications for Pelton turbines
    06/19982093 DC : DRAFT AUG 2006
    04/30126605 DC : DRAFT DEC 2004 IEC 62256 ED.1 - HYDRAULIC TURBINES, STORAGE PUMPS AND PUMP-TURBINES - GUIDE FOR REHABILITATION AND PERFORMANCE IMPROVEMENT
    BS IEC 61366-3:1998 Hydraulic turbines, storage pumps, and pump turbines. Tendering documents Guidelines for technical specifications for Pelton turbines
    • 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