Pulsation Accoustics

Accoustical & Mechanical Design Concepts – Understanding and Controlling Pulsation

Paper No. 66

J. D. Tison/K. E. Atkins, 8th Annual Reciprocating Machinery Conference, Denver, CO, September 1993.

A technique for displaying acoustic mode shapes of piping systems using a computer-based simulation system is described. Traveling and standing waves are demonstrated in simple acoustical systems, as well as more generalized acoustic mode shapes in actual gas compression systems, using the computer based graphics. These graphical techniques help illustrate the vibratory nature of fluid in piping to improve one’s understanding of piping acoustics. Various techniques for pulsation control are explained and compared, and the important relationships between the mechanical and acoustical characteristics of piping systems are demonstrated with a case study.


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