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Title: Standardizing Pressure Tap Locations For Turbine Meters
Author: Walter H. Browning
Source: American Gas Association 1972
Year Published: 1972
Abstract: Use of the turbine type meter has now reached the stage where the growing pains have passed and some refinements in practices can be made to improve accuracy. Choosing the proper location of pressure taps for testing meters for accuracy and for correcting to base pressure conditions is a step in that direction. Since turbine meters are generally designed to limit capacity to flow rates which will only cause a 2-inch pressure drop on 0.6 gravity gas at low pressure, it is not likely that any design turbine meter could introduce more than one half to 1% error due to measuring the static pressure at the inlet, outlet or in the annular area. However, even errors of this magnitude should not be disregarded.




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