Acoustical (Pulsation) Analyses


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Eugene "Buddy" Broerman, III
Principal Engineer
Fluid Machinery Systems
(210) 522-2555
ebroerman@swri.org

Bottle Assembly.

Design services include validating designs before construction and correcting problems of existing field installations. View Video

Simulation analyses of the effects of pressure pulsations from a compressor or pump can assess the likelihood of system component or piping vibration. Predicted system responses can be used to identify and eliminate operationally undesirable or structurally damaging pulsations.

To avoid poor system performance or excessive dynamic loads on the compressor and piping system, acoustical design recommendations typically detail:

  • Piping sizes and lengths
  • Compressor cylinder pulsation filter bottle size and length
  • Compressor cylinder pulsation filter bottle internal dimensions
  • Pulsation filter structural details
  • Acoustical analyses provide data for:
    • Pulsation (pressure, flow) variations
    • Acoustical shaking forces
    • Compressor cylinder performance
    • System pressure drop

The acoustic design tool used and developed at Southwest Research Institute (SwRI) is known as the Transient Analysis Pulsation Solver (TAPS) design tool.

Three-dimensional finite element modeling can be used for the prediction of complex high-frequency acoustic cross modes associated with large pulsation filter bottle diameters on high-speed compressors. This 3-D method of acoustic modeling is typically unnecessary; however, SwRI is capable of performing this analysis when needed.

Contact us for more information about our compressor piping system design capabilities or acoustical (pulsation) analyses. We can offer you the best approach for solving your compressor system or pump system analysis problem.

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Southwest Research Institute® (SwRI®), headquartered in San Antonio, Texas, is a multidisciplinary, independent, nonprofit, applied engineering and physical sciences research and development organization with 10 technical divisions.
02/08/16