DIN EN 1151-2 E : 2006

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