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Study on the volume correction method of vertical metal tank after tank bottom deformation
Pages: 38-41
Year: Issue:  5
Journal: Practical Measurement Technology

Keyword:  vertical metal tankbottom deformationvolume metrologycorrection methodtest analysis;
Abstract: The paper explores a volume correction method for bottom deformation of vertical metal tanks. A tank bottom elevation correction method and an accessory correction method were respectively proposed through the establishment of a finite element model for tank bottom to reduce the influence of tank bottom deformation on volume metrology resulted from oil loading,thus enhancing the accuracy of custody transfer. A vertical metal tank with a capacity of 5,000m3 was tested by volume comparison and geometric measurement and the analytical results were modified with the elevation correction method and the accessory correction method described above. Then,the modified results were compared with the results of volume comparison to verify that reliability of the two correction methods.
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