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| Content Provider | The American Society of Mechanical Engineers (ASME) Digital Collection |
|---|---|
| Author | Sánchez, Salvador Ascanio, Gabriel Juan, P. Aguayo Sánchez-Minero, Felipe |
| Copyright Year | 2018 |
| Abstract | In the present work, thermal effects induced in the hydrodynamics of heavy oil transport in pipelines are analyzed. Here, the thermal dependence of the dynamic viscosity and the mechanical heating caused by viscous dissipation are taking into account; therefore, the mathematical models that represent the study are solved in a coupled manner, evaluating at the same time both, the flow field inside of the pipeline, as well as, its corresponding heat transfer processes with respect to the environment. In order to conduct the analysis properly, numerical solutions are obtained in dimensionless way, and three main dimensionless parameters are defined; namely, β, Λ and Br, which represent the ratio of the internal radius to the length of the pipeline, the thermal conductivity for the diffusive heat transfer process in the conjugated system pipeline-thermal insulation (soil), and the Brinkman number associated to the mechanical heating, respectively. The main results reveal that, when heavy oils (extra-viscous fluids) are transported in pipelines, until a small reduction in their temperature generate substantial increment in the dynamic viscosity, and consequently, the flow rate is reduced in comparison with predictions considering a full thermal insulation condition (adiabatic process). Hence, we can conclude that during the transport of heavy oil the heat transfer and its effects over the flow field have to be estimated and controlled, this with the aim of having an efficient transport. |
| Sponsorship | Fluids Engineering Division |
| File Format | |
| ISBN | 9780791851562 |
| DOI | 10.1115/FEDSM2018-83061 |
| Volume Number | Volume 2: Development and Applications in Computational Fluid Dynamics; Industrial and Environmental Applications of Fluid Mechanics; Fluid Measurement and Instrumentation; Cavitation and Phase Change |
| Conference Proceedings | ASME 2018 5th Joint US-European Fluids Engineering Division Summer Meeting |
| Language | English |
| Publisher Date | 2018-07-15 |
| Publisher Place | Montreal, Quebec, Canada |
| Access Restriction | Subscribed |
| Subject Keyword | Viscosity Insulation Temperature Oils Pipelines Thermal insulation Hydrodynamics Flow (dynamics) Petroleum Fluids Numerical analysis Temperature effects Heating Energy dissipation Soil Thermal conductivity Adiabatic processes (thermodynamics) Heat transfer |
| Content Type | Text |
| Resource Type | Article |
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