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Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.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
Hardcopy , PDF , PDF 3 Users , PDF 5 Users , PDF 9 Users
11-01-1999
English - French
09-19-1991
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
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