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Title: Pulsation Effects Of Gas Measurement
Author: David E. Pulley
Source: 1981 Gulf Coast Measurement Short Course (Now called ASGMT)
Year Published: 1981
Abstract: The American Gas Association Committee Report No.3 says the following about pulsation: Pulsations in a pipeline originating from a reciprocating system, or some other similar source, consist of sudden changes in both the velocity and pressure of the flowing fluid. The pressure changes are the more apparent and resemble low frequency sound waves, traveling in the flowing medium, with a velocity independent of the velocity of the fluid flowing. Reliable measurements of a gas flow with an orifice meter cannot be obtained when appreciable pulsations, from any source whatsoever, are present at the point of measurement. No way has been found to predict correction factors to compensate for such errors.

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