#Orifice flow meter calculation iso#
The latest ISO formulations for expansibility are used with the Miller This function should be called by an outer loop when solving for a Specified conditions, expansibility floatĮxpansibility factor (1 for incompressible fluids, less than 1 for If specified, the correlation for the meter type is not used - thisĬoefficient of discharge of the specified flow meter type at the Taps are near the bore C_specified float, optional
‘90 degree’ for the case where, normally for operational reasons, the Normal case where the taps are opposite the orifice bore, and Where the pressure profile is are not symmetric ‘180 degree’ for the The rotation of the taps, used only for the eccentric orifice case The orientation of the taps one of ‘corner’, ‘flange’, ‘D’, or ‘D/2’ Īpplies for orifice meters only, tap_position str, optional Mass flow rate of fluid through the flow meter, meter_type str Static pressure of fluid downstream of differential pressure meter orĪt the prescribed location (varies by type of meter) m float, optional Static pressure of fluid upstream of differential pressure meter at theĬross-section of the pressure tap, P2 float, optional Or cone meter end diameter, or wedge meter fluid flow height, P1 float, optional Isentropic exponent of fluid, D2 float, optionalĭiameter of orifice, or venturi meter orifice, or flow tube orifice, Upstream internal pipe diameter, rho floatĭensity of fluid at P1, mu float
This solves an equation iteratively to obtain the correct flow rate. Orifice Plate Calculator - Find Pressure Drop in function of Flow Rate. Of the meter, and the density, viscosity, and isentropic exponent of theįluid. Orifice plates are still the most widely used type of flowmeter in the world today. Pressure flow meter based on the geometry of the meter, measured pressures Pressure value, or the orifice diameter for a differential differential_pressure_meter_solver ( D, rho, mu, k, D2 = None, P1 = None, P2 = None, m = None, meter_type = 'ISO 5167 orifice', taps = None, tap_position = None, C_specified = None ) ¶Ĭalculates either the mass flow rate, the upstream pressure, the second
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