Title: Practical Issues Relating to Tank Volume Determination
Authors: BINNER RobertHOWELL JohnJANSSENS-MAENHOUT GREETSELLINSCHEGG DieterZHAO Ke
Citation: INDUSTRIAL & ENGINEERING CHEMISTRY RESEARCH vol. 47 no. 5 p. 1533-1545
Publisher: AMER CHEMICAL SOC
Publication Year: 2008
JRC N°: JRC43943
ISSN: 0888-5885
URI: http://dx.doi.org/10.1021/ie0712636
http://publications.jrc.ec.europa.eu/repository/handle/JRC43943
DOI: 10.1021/ie0712636
Type: Articles in periodicals and books
Abstract: Issues relating to each element in the determination of a tank¿s contents are examined: level/density measurement, calibration, and its reverification. Systematic errors associated with dip tube pressures that are measured to derive level/density are investigated, experimentally. The conversion from these pressures to level/density is then addressed, and the simplest form is found to be adequate. A revised regression model is proposed to obtain a calibration from biased calibration data from one or more calibration runs. Severely biased calibration data can be eliminated, reducing the calibration error due to biases to a minimum. It is shown that a more accurate representation can be obtained using cubic splines. Finally, reverification issues are addressed by proposing a new continuous fill approach.
JRC Directorate:Sustainable Resources

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