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Title: Numerical Simulation Of Flow Metering S Ystem For Liquefied Natural Gas
Author: J. Sluse R. Maury J. Gersl A. Strzelecki
Source: Flomeko 2016
Year Published: 2016
Abstract: Increasing usage of liquefied natural gas (LNG) hand in hand with the decreasing price makes this green fuel accessible. Higher c onsumption of LNG opened gate for development of new facility for measuring of flow rate with lower uncertainty. The new equipment for measuring the LNG flow rate developed at CESAME Exadebit uses a Laser Doppler Velocimetry technique. The principle of the equipment is based on the velocity measurement in one point behind convergence nozzle and then solving the flow rate. It is convenient to create nearly flat velocity profile behind the nozzle throat (like piston velocity profile) to reduce the shear region influence on the mass flow rate calculation. The a im of th is article is validation of numerical model s of LNG flow in the new flow metering system in OpenFOAM software by comparison with experimental data and analytic formulas. This is the first ste p for the nozzle shape optimisation. The numerical simulation study is divided into following parts: