BS EN 62097:2009 - Hydraulic machines, radial and axial. Performance conversion method from model to prototype – BSI British Standards

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BS EN 62097:2009

Hydraulic machines, radial and axial. Performance conversion method from model to prototype

Status : Withdrawn, Superseded   Published : July 2009 Replaced By : BS EN IEC 62097:2019

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BS EN 62097:2009 Hydraulic machines, radial and axial. Performance conversion method from model to prototype

BS EN 62097 establishes the prototype hydraulic machine efficiency from model test results, with consideration of scale effect including the effect of surface roughness. Advances in the technology of hydraulic turbo-machines used for hydroelectric power plants indicate the necessity of revising the scale effect formula given BS EN IEC 60193.

BS EN 62097 applies to the assessment of the efficiency and performance of prototype hydraulic machine from model test results, with consideration of scale effect including the effect of surface roughness. This standard is intended to be used for the assessment of the results of contractual model tests of hydraulic machines.

Contents of BS EN 62097:

  • Introduction
  • Scope
  • Normative references
  • Terms, definitions, symbols and units
  • System of units
  • List of terms
  • Subscripts’ list
  • Terms, definitions, symbols and units
  • Scale-effect formula
  • General
  • Scalable losses
  • Basic formulae of the scale effect on hydrodynamic friction losses
  • Specific hydraulic energy efficiency
  • Step-up formula
  • Roughness of model and prototype
  • Direct step-up for a whole turbine
  • Power efficiency (disc friction)
  • Step-up formula
  • Roughness of model and prototype
  • Volumetric efficiency
  • Standardized values of scalable losses and pertinent parameters
  • General
  • Specific speed
  • Parameters for specific hydraulic energy efficiency step-up
  • Parameters for power efficiency (disc friction) step-up
  • Calculation of prototype performance
  • General
  • Hydraulic efficiency
  • Specific hydraulic energy
  • Discharge
  • Torque
  • Power
  • Required input data
  • Calculation procedure
  • Basic formulae and their approximation
  • Scale effect on specific hydraulic energy losses of radial flow machines
  • Scale effect on specific hydraulic energy losses of axial flow machines [10]
  • Scale effect on disc friction loss
  • Leakage loss evaluation for non homologous seals
  • Bibliography



Standard NumberBS EN 62097:2009
TitleHydraulic machines, radial and axial. Performance conversion method from model to prototype
StatusWithdrawn, Superseded
Publication Date31 July 2009
Withdrawn Date09 May 2019
Cross ReferencesIEC 60193:1999, EN 60193:1999
Replaced ByBS EN IEC 62097:2019
International RelationshipsEN 60793-1-34:2002,EN 62097:2009,IEC 60793-1-34:2001,IEC 62097:2009,IEC 62541-8:2015
Draft Superseded By07/30125841 DC
DescriptorsHydraulic motors, Performance, Roughness (surface), Pumps, Power losses, Testing conditions, Mathematical calculations, Scale models, Water turbines, Conversion, Efficiency, Test models, Turbines, Performance testing, Hydraulic equipment, Rotary engines
ICS27.140
Title in FrenchMachines hydrauliques, radiales et axiales. Méthode de conversion des performances du modèle au prototype
Title in GermanHydraulische Maschinen, radial und axial. Leistungsumrechnung vom Modell zum Prototyp
CommitteeMCE/15
ISBN978 0 580 54832 1
PublisherBSI
FormatA4
DeliveryYes
Pages88
File Size1.112 MB
Price£264.00


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