Study improves control of slack line flow

Chen Yuanyuan Gong Jing Li Xiaoping Zhou Tong Zheng Lijun China University of Petroleum Beijing New research has improved control of slack line flow in steep slope liquids pipelines, whether during commissioning, steady operations, or in the wake of an accident. Factors such as pipeline terrain, wall thickness, diameter, and terminus control pressure influence slack line flow. Increasing WT, decreasing ID, and increasing pressure all play into proper slack line control Slack line flow is likely to emerge as soon as the line pressure of a liquids pipeline in hilly topography with steep slopes drops below saturated vapor pressure. Slack flow theory and computational analysis methods exist. ...

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