Liquid turbine meter design has emerged and changed from the original straight blade Potter design developed in the 1960's.Although originally designed for low-accuracy water flow measurement,its application into the aerospace industry called for higher accuracy and reliability as well as simplicity in design.In 1953,the helical bladed turbine meter was designed and primarily used in the aeronautical industry for measurement of fuel consumption and fuel transfer within an aircraft.In the mid-sixties,the technology was introduced to the oil and gas industry in the European marketplace and quickly found acceptance in crude oil application,being capable of accurately measure products of varying viscosities In March 1970 with the publication of API Standard 2534"Measurement of Liquid Hydrocarbons by Turbine Meter Systems"turbine meters gained custody transfer acceptance in oil and gas industry of liquids such as light crude oils,LPG's,and light distillates.Nearly 50 years later,turbine meter technology continues to be used globally for a variety of applications:custody transfer,allocation,leak detection,and other loss gain control applications.New developments in liquid turbine technology have not only expanded the range of installation applications but have also improved the reliability and accuracy of the method of interpreting the produced data.This paper will examine the fundamentals of liquid turbine meter design,selection and operation referencing industry best practices and regulatory requirements.
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