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根据管道和泵站能量平衡和质量平衡原则的数学物理模型，模拟了长输管道顺序输送不同油品的水力变化情况，并对不同油品的混油界面进行了离线跟踪。编制的应用软件，能给出计算结果，可用于同实际管道运行结果进行对比。编制的应用软件能够自动优化用户输入的油品数据；能够在分油和不分油两种情况下，计算输送单一油品的输量及各站的进出站压力，得出全线输量随时间的变化关系。如用该软件可以对管道顺序输送中输送状态及混油界面进行离线监控。该软件可应用于实际工程。
According to the mathematical and physical models of energy balance and mass balance of pipeline and pump station, the hydraulic changes of different oil products transported by long-distance pipeline are simulated and the oil-contaminated interfaces of different oil products are tracked offline. The software is compiled to give the result of the calculation and can be used to compare the results of actual pipe runs. The prepared application software can automatically optimize the oil data input by the user; it can calculate the output of single oil product and the pressure of the station in and out of the station in both oil-dispensing and oil-dispensing, The relationship between the changes. Such as the use of the software can be sent to the pipeline in the order delivery status and mixed oil interface for offline monitoring. The software can be applied to the actual project.