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Title: Gas Accounting - Operation Of Orifice Meter Chart Integrators
Author: E. S. Messer
Source: 1968 Southwestern Gas Measurement Short Course (Now called ISHM)
Year Published: 1968
Abstract: The volume of gas passing through the meter run during the recorded time on the chart varies directly with the sum of the instantaneous square root of the product of the static and differential pressure. The mathematical relationship between differential pressure and flow depends on the construction of the orifice, related pipe characteristics and static pressure of the gas. The first two variables are physical and determine the orifice characteristics. Published tables list the orifice flow factors for every orifice and pipe size generally used in the gas industry.




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