EVALUATING THE UNCERTAINTY IN THE MEASUREMENT OF CUMULATED VOLUME OF NATURAL GAS

Lilian A. Martins, Mauricio N. Frota, Ignacio Lira

Abstract

An equation to obtain the uncertainty in the measurement of cumulated volume of natural gas by orifice plate meters and gas chromatography is proposed. Results depend mainly on the sampling rate of chemical properties and on the expected variations in natural gas composition. The method may serve to perform a cost-benefit study of implementing on-line gas chromatography analysis.

Keywords

measurement uncertainty, orifice plate meters, gas chromatography

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PWC-2006-TC9-019u.pdf

DOI

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IMEKO TC

TC9 - Flow Measurement

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