Dr. Kunal Dutta-Roy

Fundamentals and Analysis of Liquid Pipeline Hydraulics- Calculation of Pressure and Friction Gradient in Pipelines

Pressure Drop in Liquid Pipelines: A Case Study

Here we explore the calculation of pressure drop in a 100-mile long, 15.5-inch diameter oil pipeline transporting 90,000 barrels per day. By leveraging the Darcy-Weisbach equation, we demonstrate how to compute the friction gradient and determine the friction pressure drop. Additionally, we account for elevation changes, converting API gravity to specific gravity, and applying the transmission factor to accurately predict the outlet pressure. This example provides valuable insights into the complexities of fluid dynamics, making it an essential resource for pipeline engineers focused on optimizing liquid pipeline transmission systems.
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