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|Title:||Practical Issues Relating to Tank Volume Determination|
|Authors:||BINNER Robert; HOWELL John; JANSSENS-MAENHOUT GREET; SELLINSCHEGG Dieter; ZHAO Ke|
|Citation:||INDUSTRIAL & ENGINEERING CHEMISTRY RESEARCH vol. 47 no. 5 p. 1533-1545|
|Publisher:||AMER CHEMICAL SOC|
|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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