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CEI EN 62364 : 2014

Superseded

Superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

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superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

HYDRAULIC MACHINES - GUIDE FOR DEALING WITH HYDRO-ABRASIVE EROSION IN KAPLAN, FRANCIS AND PELTON TURBINES

Available format(s)

Hardcopy , PDF

Superseded date

07-12-2019

Language(s)

English

Published date

01-01-2014

FOREWORD
INTRODUCTION
1 Scope
2 Terms, definitions and symbols
3 Abrasion rate
4 Design
5 Abrasion resistant materials
6 Guidelines on insertions into specifications
Annex A (informative) - PL calculation example
Annex B (informative) - Measuring and recording
        abrasion damages
Annex C (informative) - Water sampling procedure
Annex D (informative) - Procedures for analysis of particle
        concentration, size, hardness and shape
Annex E (informative) - Tests of abrasion resistant materials
Annex F (informative) - Typical criteria to determine overhaul
        time due to abrasion erosion
Annex G (informative) - Example to calculate the amount
        of erosion in the full model
Annex H (informative) - Examples to calculate the
        TBO in the reference model
Bibliography

Provides to: a) present data on particle abrasion rates on several combinations of water quality, operating conditions, component materials, and component properties collected from a variety of hydro sites; b) develop guidelines for the methods of minimizing particle abrasion by modifications to hydraulic design for clean water. These guidelines do not include details such as hydraulic profile shapes which should be determined by the hydraulic design experts for a given site; c) develop guidelines based on 'experience data' concerning the relative resistance of materials faced with particle abrasion problems; d) develop guidelines concerning the maintainability of abrasion resistant materials and hard facing coatings; e) develop guidelines on a recommended approach, which owners could and should take to ensure that specifications communicate the need for particular attention to this aspect of hydraulic design at their sites without establishing criteria which cannot be satisfied because the means are beyond the control of the manufacturers; f) develop guidelines concerning operation mode of the hydro turbines in water with particle materials to increase the operation life.

Committee
CT 4/5
DevelopmentNote
Classificazione CEI 4-14. (05/2014)
DocumentType
Standard
Pages
78
PublisherName
Comitato Elettrotecnico Italiano
Status
Superseded
SupersededBy

Standards Relationship
EN 62364:2013 Identical
IEC 62364:2013 Identical

ISO 4365:2005 Liquid flow in open channels Sediment in streams and canals Determination of concentration, particle size distribution and relative density
IEC TR 61364:1999 Nomenclature for hydroelectric powerplant machinery
IEC 60193:1999 Hydraulic turbines, storage pumps and pump-turbines - Model acceptance tests
ASTM G 76 : 2013-07 TEST METHOD FOR CONDUCTING EROSION TESTS BY SOLID PARTICLE IMPINGEMENT USING GAS JETS
IEC 60609-2:1997 Cavitation pitting evaluation in hydraulic turbines, storage pumps and pump-turbines - Part 2: Evaluation in Pelton turbines

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