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Title: Calibration Facility For Liquefied Natural Gas Flow-Meters - CFD Modeling
Author: Jan Gerl,Peter Lucas,Oswin Kerkhof
Source: 2012 International Symposium on Fluid Flow Measurement
Year Published: 2012
Abstract: A new calibration facility for liquefied natural gas (LNG) flow-meters is being developed at VSL for flow-rates up to 300 m3/h. The facility is based on comparing a meter under test to a set of Coriolis meters which are calibrated by a bootstrap technique using a meter traceable to an already existing laboratory-scale gravimetric LNG standard. A behavior of the LNG flow in the developed facility is predicted also by a CFD modeling using an OpenFOAM software. The modeling is focused especially to quality of LNG flow in front of the Coriolis standards including a possibility of cavitation and calculation of flow profiles. In the presentation we will show some results of this investigation - flow behavior at pipe to pipe junctions of various shapes and its impact on the flow quality downstream from the junctions. This work is done within a Metrology for LNG project which is a part of European Metrology Research Programme and is based on a cooperation of several European national metrology institutes

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