Abstract
Vertical Cylinder Tank is used as a storage area or as a measuring tool. Liquids are used in the form of Fuel oil, Liquid Natural Gas, vegetable liquids, and other chemical liquids. The tank calibration results are in the form of a volume per height table that is used as a reference by Automatic Tank Gauging. There are two tank calibration methods, namely: the strapping method and the optical method. The process of measuring the inside or outside diameter of the tank becomes very important in the tank calibration process—the measurement of tank diameter by the strapping method using steel meters manually. At the same time, the optical method uses theodolite or total station. For tank diameters ≤ 5 m, the strapping method has smaller diameter measurement results with a difference of 0.7% compared to the optical method. In further research, a prototype can be developed that can accelerate the calibration process using the strapping method (for example, a vertical track measuring robot) or a low-cost prototype theodolite
Highlights
The vertical cylinder tank is a cylindrical measuring tool. It is generally used as a storage or as a measurement tool at the time of delivery—liquids used in the form of fuel oil, LNG, vegetable liquids, and other chemical liquids
The final results of the calibration of vertical cylindrical are the table volume per altitude, where the table is used as a reference for other tank volume monitoring devices[1]
The volumetric method is used for vertical cylindrical tank volumes of less than 50 kl, with the standard being a standard measuring vessel and a flow meter [2] that is calibrated by the volumetric method [3]
Summary
The vertical cylinder tank is a cylindrical measuring tool. It is generally used as a storage or as a measurement tool at the time of delivery—liquids used in the form of fuel oil, LNG, vegetable liquids, and other chemical liquids. Strapping method testing requires more time and more personnel compared to the optical method. The latest developments on vertical cylindrical tank testing methods are using 3D scanning [13], which provides many advantages: saving time on testing, not using water fluid to calculate swamps, can be used at low temperatures, and only requires one person. The results of the vertical cylindrical tank testing method with 3D scanning are around ± 0.2% (for the middle to the top) [14] and enlarged with a limit of ± 0.5% (for the middle to the bottom). The results of this study provide an option to make a prototype that can shorten the calibration time using the strapping method—for example, making a wall-climbing robot [15,16,17] equipped with a distance gauge. Make a prototype that has a working system such as theodolite at a low cost
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