A Model Library for Oil/Water Emulsion Separation and Transport Processes
Doctoral thesis
Permanent lenke
https://hdl.handle.net/11250/3112053Utgivelsesdato
2023Metadata
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Sammendrag
In the petroleum industry, the separation and transportation of multiphase fluids, especially crude-oil and water emulsions, hold immense economic and environmental significance. Thus, development of fundamentally advanced, yet simply implemented, models for these processes would be invaluable for engineers engaged in designing and optimizing transport and separation processes.
To develop models for multiphase separation and transport processes, accounting for factors like dispersed phase droplet size distribution, a population balance model is indispensable. These models offer a theoretical foundation to simulate processes involving droplet interactions, sedimentation, and creaming, which collectively influence the evolution of droplet size distributions over time, and this understanding is crucial for predicting physical properties as well as separation equipment efficiencies.
This project's central objective involves incorporating fundamental droplet coalescence and breakage modeling into a population balance model framework. We have developed a C++ class library for dynamic drop size evolution in 0, 1, and 2 spatial dimensions, specifically tailored for modeling crude oil/water emulsion processes. Leveraging C++'s class inheritance structure, we've enabled a modular approach to develop transport and separation models of varying complexity. Coupled with C++'s memory handling capabilities and existing parallel computational libraries for solving differential equations, this ensures rapid calculations on modern computational platforms.
Furthermore, we have addressed various challenges associated with these models during this project.
Består av
Paper 1: Assar, Moein; Grimes, Brian Arthur. A new approach to analyze the equilibrium and transient behaviors of particulate systems and the subsequent application to multiphase fluid systems. Chemical engineering research & design 2022 ;Volum 188. s. 1083-1096 https://doi.org/10.1016/j.cherd.2022.10.044 This is an open access article under the CC BY license (http://creativecommons.org/licenses/by/4.0/).Paper 2: Assar, Moein; Simon, Sebastien Charles Roger; Sørland, Geir; Grimes, Brian Arthur. A theoretical and experimental investigation of batch oil-water gravity separation. Chemical engineering research & design 2023 ;Volum 194. s. 136-150 https://doi.org/10.1016/j.cherd.2023.04.029 This is an open access article under the CC BY license (http://creativecommons.org/licenses/by/4.0/).
Paper 3: Assar, Moein; Asaadian,Hamidreza; Stanko,Milan; Grimes, Brian Arthur. A theoretical and experimental investigation of continuous oil-water gravity seperation.
Paper 4: Assar, Moein; Grimes, Brian Arthur. Geometrically transformed spectral methods to solve partial differential equations in circular geometries, application for multi-phase flow. Mathematics and Computers in Simulation 2024 ;Volum 215. s. 456-475 https://doi.org/10.1016/j.matcom.2023.08.019 This is an open access article under the CC BY-NC-ND license (http://creativecommons.org/licenses/by-nc-nd/4.0/).