A parametric study of the hydrodynamic roughness produced by a wall coating layer of heavy oil
In water-lubricated pipeline transportation of heavy oil and bitumen, a thin oil film typically coats the pipe wall. A detailed study of the hydrodynamic effects of this fouling layer is critical to the design and operation of oil-water pipelines, as it can increase the pipeline pressure loss （and p...
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| Veröffentlicht in: | Petroleum science 2017, Vol.14 (1), p.155-166 |
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| creator | Rushd, S. Sanders, R. S. |
| description | In water-lubricated pipeline transportation of heavy oil and bitumen, a thin oil film typically coats the pipe wall. A detailed study of the hydrodynamic effects of this fouling layer is critical to the design and operation of oil-water pipelines, as it can increase the pipeline pressure loss （and pumping power requirements） by 15 times or more. In this study, a parametric investigation of the hydrodynamic effects caused by the wall coating of viscous oil was conducted. A custom-built rectangular flow cell was used. A validated CFD-based procedure was used to determine the hydrodynamic roughness from the measured pressure losses. A similar procedure was followed for a set of pipe loop tests. The effects of the thickness of the oil coating layer, the oil viscosity, and water flow rate on the hydrodynamic roughness were evaluated. Oil viscosities from 3 to 21300 Pa s were tested. The results show that the equivalent hydrodynamic roughness produced by a wall coating layer of viscous oil is dependent on the coating thickness but essentially independent of oil viscosity. A new correlation was developed using these data to predict the hydrodynamic roughness for flow conditions in which a viscous oil coating is produced on the pipe wall. |
| doi_str_mv | 10.1007/s12182-016-0144-z |
| format | Article |
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The results show that the equivalent hydrodynamic roughness produced by a wall coating layer of viscous oil is dependent on the coating thickness but essentially independent of oil viscosity. 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S.</creatorcontrib><title>A parametric study of the hydrodynamic roughness produced by a wall coating layer of heavy oil</title><title>Petroleum science</title><addtitle>Pet. Sci</addtitle><addtitle>Petroleum Science</addtitle><description>In water-lubricated pipeline transportation of heavy oil and bitumen, a thin oil film typically coats the pipe wall. A detailed study of the hydrodynamic effects of this fouling layer is critical to the design and operation of oil-water pipelines, as it can increase the pipeline pressure loss （and pumping power requirements） by 15 times or more. In this study, a parametric investigation of the hydrodynamic effects caused by the wall coating of viscous oil was conducted. A custom-built rectangular flow cell was used. A validated CFD-based procedure was used to determine the hydrodynamic roughness from the measured pressure losses. A similar procedure was followed for a set of pipe loop tests. The effects of the thickness of the oil coating layer, the oil viscosity, and water flow rate on the hydrodynamic roughness were evaluated. Oil viscosities from 3 to 21300 Pa s were tested. The results show that the equivalent hydrodynamic roughness produced by a wall coating layer of viscous oil is dependent on the coating thickness but essentially independent of oil viscosity. A new correlation was developed using these data to predict the hydrodynamic roughness for flow conditions in which a viscous oil coating is produced on the pipe wall.</description><subject>Earth and Environmental Science</subject><subject>Earth Sciences</subject><subject>Economics and Management</subject><subject>Energy Policy</subject><subject>Flow rates</subject><subject>Hydrodynamics</subject><subject>Industrial and Production Engineering</subject><subject>Industrial Chemistry/Chemical Engineering</subject><subject>Mineral Resources</subject><subject>Oil</subject><subject>Original Paper</subject><subject>Parameterization</subject><subject>Parametric statistics</subject><subject>Pipelines</subject><subject>Roughness</subject><subject>Submarine pipelines</subject><subject>Transportation</subject><subject>Viscosity</subject><subject>Water flow</subject><subject>压力损失</subject><subject>回路测试</subject><subject>壁面</subject><subject>流体动力学</subject><subject>涂层厚度</subject><subject>稠油</subject><subject>管道输送</subject><subject>粗糙度</subject><issn>1672-5107</issn><issn>1995-8226</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2017</creationdate><recordtype>article</recordtype><sourceid>C6C</sourceid><recordid>eNp9UUuP1SAYJUbjjKM_wI0hunFT5QMK7cZkMvGVTOJGt5KvhT4mLdyBdkzn18vNvd6MLlwQCOfB-TiEvAT2DhjT7xNwqHjBQOUlZXH_iJxDXZdFxbl6nM9K86IEps_Is5RuGJOgFX9KzkTG67KGc_Lzku4w4uyWOLY0LavdaOjoMjg6bDYGu3mcMxLD2g_epUR3-XJtnaXNRpH-wmmibcBl9D2dcHNxLx8c3mWfcXpOnnQ4JffiuF-QH58-fr_6Ulx_-_z16vK6aGWtl8IK6RrVVgBC16KsasSmU9YxVFLpBhsB3JbgsIRSSnSWWQSmmJZcWuyYuCAfDr67tZmdbZ1fIk5mF8cZ42YCjuZvxI-D6cOd0QA5QZ0N3h4NYrhdXVrMPKbWTRN6F9ZkuKiq_H-6qjL1zT_Um7BGn8czkEm6EpqJzIIDq40hpei6UxhgZt-eObRncntm3565z5pXD6c4Kf7UlQn8QEgZ8r2LD57-j-vrY5Ih-P42607GSoMqa6GF-A2pELIw</recordid><startdate>2017</startdate><enddate>2017</enddate><creator>Rushd, S.</creator><creator>Sanders, R. 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| issn | 1672-5107 1995-8226 |
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| source | DOAJ Directory of Open Access Journals; Springer Nature OA Free Journals; EZB-FREE-00999 freely available EZB journals; Alma/SFX Local Collection |
| subjects | Earth and Environmental Science Earth Sciences Economics and Management Energy Policy Flow rates Hydrodynamics Industrial and Production Engineering Industrial Chemistry/Chemical Engineering Mineral Resources Oil Original Paper Parameterization Parametric statistics Pipelines Roughness Submarine pipelines Transportation Viscosity Water flow 压力损失 回路测试 壁面 流体动力学 涂层厚度 稠油 管道输送 粗糙度 |
| title | A parametric study of the hydrodynamic roughness produced by a wall coating layer of heavy oil |
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