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Title: FUNDAMENTALS OF GAS TURBINE METERS
Author: Brian Shomper
Source: 2023 Appalachian Gas Measurement Short Course
Year Published: 2023
Abstract: The majority of all gas measurement used in the world today is performed by two basic types of meters, posi- tive displacement and inferential. Positive displacement meters, consisting mainly of diaphragm and rotary style devices, generally account for lower volume measure- ment. Orifice, ultrasonic and turbine meters are the three main inferential class meters used for large volume measurement today. Turbines are typically considered to be a repeatable device used for accurate measurement over large and varying pressures and flow rates. They are found in a wide array of elevated pressure applica- tions ranging from atmospheric conditions to 1440 psig. Turbine meters have also become established as master or reference meters used in secondary calibration sys- tems such as transfer provers. A significant number of both mechanical and electrical outputs and configura- tions have become available over the past 50 years of production.

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