METHOD FOR CALIBRATION OF BALL (SPHERICAL) RESERVOIR FOR DETECTION OF CAPACITY COMPLYING WITH HEIGHT OF ITS FILLING

FIELD: measurement equipment.SUBSTANCE: invention relates to measurement equipment and may be used for detection of capacity and calibration of ball (spherical) reservoirs. The method for calibration of a ball (spherical) reservoir to detect capacity complying with height of its filling is carried out by means of detection of areas of horizontal sections of a ball (spherical) reservoir. Using calculation methods, the ball (spherical) reservoir capacity is identified, for this purpose scanning is carried out with the help of a ground laser scanner with linear discrecity of scanning pitch within 2 - 5 mm, at least from two scanner stations and in accordance with operating documents (ED) for a device, scans are combined. At the same time quality of combination of the produced data is controlled by completion of one of the following conditions: mean square error of a unit of GLS combination weight shall not exceed ±3 mm, - deviation of coordinates of special marks location shall not exceed ±5 mm, - mean square error for detection of elements of external orientation for linear values shall not exceed ±2 mm, and for angular values -±15". A 3D model is built for an inner space of a ball (spherical) reservoir, perpendicularly to a vertical line, using software RapidForm, a 3D model of the reservoir is cut by horizontal planes with the distance of 1 cm between them into g number of layers. The area of sections of layers in the 3D model of the reservoir S, m, is calculated, as well as the area of sections of inner structures of the reservoir S?, m. The volume of the ball layer is calculated, complying with a one-centimetre level of reservoir filling, using the formulas.EFFECT: higher validity and accuracy of calibration of a ball (spherical) reservoir to detect capacity complying with height of its filling.1 dwg Изобретение относится к измерительной технике и может быть использовано для определения вместимости и градуировки резервуаров шаровых (сферических). Способ градуировки резервуара шарового (сферического) для определения вместимости, соответствующей высоте его наполнения, выполняют путем определения площадей горизонтальных сечений резервуара шарового (сферического). Посредством расчетных методов определяют вместимость резервуара шарового (сферического), для чего выполняют сканирование при помощи наземного лазерного сканера с линейной дискретностью шага сканирования в пределах от 2 до 5 мм не менее чем с двух сканерных станций и в соответствии с эксплуатационно