针对大型LNG储罐舱容精确计量难度大的问题,根据VLCC船体结构特点和储罐特性,合理选择C型燃料储罐;分析舱容计量特殊性和计量设备的特点,考虑C型储罐结构和营运过程中船舶横倾、纵倾情况建立舱容计量的数学模型;根据数学模型进行舱容计量软件的设计与开发.%It is very difficult to measure the capacity of large LNG tank accurately.The characteristics of VLCC vessels' structure and storage tanks were analyzed to selecte the type of LNG fuel storage tanks reasonably,as well as the particularities of the tank capacity measurement and metering equipment.The mathematical model of the tank capacity measurement was estab-lished according to the structure of C type tank,considering the heel and trim of the vessel during the course of operation.Ac-cording to the mathematical model,the tank capacity measurement software was developed.
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