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Natural gas properties and flow computation

Natural gas properties and flow computation501 Natural gas properties and flow computationIvan Mari and Ivan IvekX Natural gas properties and flow computation Ivan Mari and Ivan Ivek Ru er Bo kovi Institute Croatia 1. Introduction Precise measurement of fluid flow rate is essential in commercial and in process control applications. The flow rate can be measured using different principles and devices (Baker, 2000, Miller, 1996): Orifice, Turbine, Venturi, Nozzle, Target, V-cone, Pitot, Multiport averaging, Elbow, Wedge, Laminar flow, Gilfo, Positive displacement, Thermal mass, Ultrasonic-time of flight, Variable area, Vortex, Coriolis. The measurement accuracy varies from 5% of rate (Pitot) down to of rate (Coriolis). The Coriolis mass flowmeters are generally used to measure the mass flow of liquids but have been also used for the measurement of flow of high density gases. The turbine meters are widely used for the measurement of the volumetric flow rate of clean gases ( of rate) and liquids ( 1% of rate).

Natural gas properties and flow computation 501 Natural gas properties and flow computation ... measurement of flow of high density gases. The turbine meters are widely used for the ... the orifice plate is used for the calculation of the flow rate but the fluid temperature is

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