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NBN EN 12953-11 : 2003

Current

Current

The latest, up-to-date edition.

SHELL BOILERS - PART 11: ACCEPTANCE TESTS

Published date

12-01-2013

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Foreword
1 Scope
2 Normative references
3 Terms and definitions
4 Symbols and abbreviations
  4.1 Symbols and units
  4.2 Coefficients
5 General
6 Basic test conditions
  6.1 General conditions
  6.2 Steady-state conditions
  6.3 Test procedure
  6.4 Requirements during test
  6.5 Duration of tests
  6.6 Procedure for the determination of exhaust gas temperature and
      CO, CO[2] and O[2] content
  6.7 Undetermined losses
7 Instrumentation and methods of measurements
  7.1 Instruments
  7.2 Pressure measurements
  7.3 Temperature measurements
  7.4 Mass and mass flow
  7.5 Calorific values
  7.6 Chemical composition
8 Heat balance and thermal efficiency
  8.1 General
  8.2 Envelope boundary
  8.3 Reference temperature
  8.4 Heat input
  8.5 Losses
  8.6 Determination of efficiency by indirect method
  8.7 Useful heat output
9 Accuracy
Annex A (informative) Calculation of combustion air/flue gas mass to
        fuel mass ratios and specific heat
        A.1 Combustion air/flue gas mass to fuel mass ratios
        A.2 Ultimate analysis
        A.3 Statistical analysis
        A.4 Specific heat of flue gas and combustion air
Annex B (normative) Waste heat boilers
        B.1 General
        B.2 Useful heat output
        B.3 Heat from waste gases
        B.4 Heat input
        B.5 Thermal efficiency
        B.6 Methods of measurement
Bibliography

Describes a concise procedure for conducting thermal performance tests, using the indirect (losses) procedure for boilers for steam or hot water.

DevelopmentNote
Supersedes NBN 731, NBN 732, NBN 733, NBN 734, NBN 735, NBN 736, NBN 737, NBN 738, NBN 739, NBN 740, NBN 741, NBN 743, NBN I 01 003, NBN I 01 004, NBN I 01 005, NBN I 01 022 and NBN I 01 002. (04/2011)
DocumentType
Standard
PublisherName
Belgian Standards
Status
Current
Supersedes

Standards Relationship
UNE-EN 12953-11:2004 Identical
UNI EN 12953-11 : 2005 Identical
DIN EN 12953-11:2003-12 Identical
BS EN 12953-11:2003 Identical
EN 12953-11:2003 Identical

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