NEN EN 1151-2 : 2006 C1 2007

Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Test rig
  4.1 General
  4.2 Main components of test rig
  4.3 Specification of test rig components
  4.4 Assembly
  4.5 Foundation
  4.6 Qualifications
  4.7 Instrumentation
      4.7.1 Measurement of pressure fluctuations
      4.7.2 Measurement of vibration
  4.8 Calibration
      4.8.1 Accelerometers
      4.8.2 Pressure trans
      4.8.3 Calibration of accelerometers and
            pressure transducers
  4.9 Propagation factors
5 Installation and operation of the tested pump
  5.1 Installation of the pump
  5.2 Operating parameters
  5.3 Initial operation
6 Factors influencing measurements
  6.1 Electromagnetic surroundings
  6.2 Earth loops
  6.3 Vibration surroundings
7 Determination of fluid- and structure-borne powers
  7.1 Frequency range
  7.2 Measurement parameters
      7.2.1 Pressure fluctuation measurement parameters
      7.2.2 Vibration measurement parameters
  7.3 Sense of power propagation
  7.4 Fluid-borne power determination
      7.4.1 General
      7.4.2 Fluid-borne intensity
      7.4.3 Fluid-borne power
  7.5 Structure-borne power determination
      7.5.1 General
      7.5.2 Structure-borne intensity
      7.5.3 Structure-borne power
  7.6 Overall values of power
  7.7 Coefficients of energy propagation and power levels
      7.7.1 Coefficient of fluid-borne energy propagation
      7.7.2 Coefficient of structure-borne energy propagation
      7.7.3 Fluid-borne power level
      7.7.4 Structure-borne power level
8 Information to be reported
Annex A (informative) Bending wavenumber and intensity
                      dimensional constant
Bibliography

Defines a test code for the vibro-acoustic characterisation of circulation pumps as defined in EN 1151-1.