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Finds gas flow rate, orifice
diameter and differential pressure in accordance with this standard.
The volume flow rate at line conditions and standard conditions are
found along with the energy and mass flow rates using line density,
standard density and calorific value (heating value).
References
International Standard ISO5167-1 First Edition:1991, Measurement of
fluid flow by means of pressure differential devices – Part 1. Orifice
plates inserted in circular cross-section conduits running full.
British Standard BS1042: Section 1.1:1992, Measurement of fluid in
closed conduits – Part 1. Pressure differential devices – Section 1.1
Specification for Venturi tubes inserted in circular cross-section
conduits running full.
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