UNI EN 12952-15 : 2005

Foreword
1 Scope and field of application
   1.1 Field of application
   1.2 Scope
   1.3 General information
2 Normative references
3 Terms and definitions
4 Symbols and abbreviations and coefficients
   4.1 Symbols and abbreviations
   4.2 Coefficients
5 Guaranteed parameters
   5.1 Basis for determining guaranteed parameters
   5.2 Parameters subject to guarantee
   5.3 Additional measurements
   5.4 Supply of steam generator components by several
       manufacturers
6 Basic test conditions
   6.1 Method of determining efficiency
   6.2 General conditions
   6.3 Preliminary test runs
   6.4 Conditions of steam generator
   6.5 Steady-state conditions
   6.6 Performance of test
   6.7 Other information
7 Instrumentation and methods of measurements
   7.1 General
   7.2 Pressure measurements
   7.3 Temperature measurements
   7.4 Mass and mass flow
   7.5 Calorific values
   7.6 Chemical composition
   7.7 Electric power
8 Heat balance and thermal efficiency
   8.1 Heat balance and envelope boundary
   8.2 Reference temperature
   8.3 Heat input, heat output and losses
   8.4 Thermal efficiency
9 Corrections to guarantee conditions
   9.1 General
   9.2 Correction for deviations of water/steam side inlet parameters
   9.3 Correction of efficiency by input-output method to guarantee
       conditions
   9.4 Correction of efficiency by heat loss method to guarantee
       conditions via heat balance
   9.5 Correction of efficiency by heat loss method to guarantee
       conditions with change in flue gas temperature
   9.6 Efficiency under guarantee conditions
10 Averaging and uncertainty of measurement
   10.1 General
   10.2 Averaging and corrections
   10.3 Fundamentals of calculating uncertainty
   10.4 Guide values for measurement uncertainties
   10.5 Calculation of uncertainty
Annex A (normative) Statistical Combustion Calculation
Bibliography

Describes direct-fired steam boilers and hot water generators, including the auxiliaries.