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Title: Flow Range Extension And Uncertainty Estimation Of Light Oil Flow Standard System With A Build-Up Technique
Author: Ki Won Lim
Source: 2006 International Symposium on Fluid Flow Measurement
Year Published: 2006
Abstract: The Light Oil Flow Standard System (LOFSS) in KRISS was designed as a national hydrocarbon flow standard system. In order to extend the flow capacity from 120 to 200, a build-up technique was applied with two positive displacement(PD) flowmeters. For an uncertainty analysis, the repeatability of the master flowmeters, the variation of the fluid density, and the pipe volume due to temperature change were scrutinized. A turbine flowmeter as a transfer package was tested with LOFSS and two master flowmeters for the feasibility of the uncertainty analysis. Both of the results showed good agreement, which means the build-up technique was carried out successfully.




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