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Problem Types
Vibration Analysis
Pressure Pulsation
Speed Sweep
Operating Deflection Shape
Modal Analysis
Finite Element Analysis
Strain Gauge Testing
Torsional Vibration Analysis
Hammer Vibration



Pressure Pulsation AnalysisDynamic Techniques Applied to Fluid Flow

Dynamic problems are not limited to structural vibration, but also arise from process fluid flows and in hydraulic systems.

Pressure pulsations can directly affect process stability. An example of this is in the formation of paper. Pulp slurry is pumped to the paper machine and exits the headbox as a jet. This jet must have uniform velocity to ensure a uniform final sheet of paper. Pressure pulsations in this jet directly affect the final product uniformity, hence the pressure pulsation must be within specification to ensure the required uniformity.

Pressure pulsation can arise from the pump, turbulence, or other equipment. Acoustical resonance can exacerbate problems  within a piping system.

In any of these cases, the dynamic pressure must be measured to determine the level of pressure pulsation. This is done with similar equipment as vibration analysis, but the accelerometer is replaced with a dynamic pressure transducer. Only when the pressure pulsations are know can the problem be identified and solutions determined.


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