Search Results - "Ratkovich, Nicolás"

CFD study of the water production in mature heavy oil fields with horizontal wells by Pinilla, Andrés, Asuaje, Miguel, Pantoja, Camila, Ramirez, Luis, Gomez, Jessica, Ratkovich, Nicolás

“…Excessive water production in mature heavy oil fields causes incremental costs, energy consumption, and inefficiency. Understanding multiphase flows near the…”
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The Application of Computational Fluid Dynamics to the Multiscale Study of Oil-in-Water Emulsions by Gallo-Molina, Juan Pablo, Ratkovich, Nicolás, Alvarez, Oscar

“…Emulsions are widely used in different industries such as oil, food, pharmaceutics, and cosmetics. These systems, however, exhibit high degrees of complexity…”
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Experimental and computational advances on the study of Viscous Fingering: An umbrella review by Pinilla, Andrés, Asuaje, Miguel, Ratkovich, Nicolás

“…During the production of heavy oil reservoirs, the movement of the fluids, namely oil and water, significantly affects the production rates. This movement is…”
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Modelling of 3D viscous fingering: Influence of the mesh on coreflood experiments by Pinilla, Andrés, Ramirez, Luis, Asuaje, Miguel, Ratkovich, Nicolás

“…The modeling of Viscous Fingering (VF) is of interest to the study of multiphase flow in porous media, especially in the O&G industry, where this phenomenon is…”
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Multiscale Analysis of Water-in-Oil Emulsions: A Computational Fluid Dynamics Approach by Gallo-Molina, Juan Pablo, Ratkovich, Nicolás, Álvarez, Óscar

“…Emulsions are a type of metastable colloid composed of two or more immiscible liquids. These systems are widely used in a variety of applications, such as…”
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Study of an ESP's performance handling liquid-liquid flow and unstable O-W emulsions Part I: Experimental by Valdés, Juan Pablo, Asuaje, Miguel, Ratkovich, Nicolás

“…•Unstable emulsions are formed due to surface-active compounds and small drop sizes.•High water cuts lead to a loss of the emulsion's microscopic structure and…”
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CFD-DPM and experimental study of the dynamics of wheat starch powder/pyrolysis gases hybrid mixtures in the 20-L Sphere by Pico, Paula, Ratkovich, Nicolás, Muñoz, Felipe, Dufaud, Olivier

“…This study comprises an assessment of the behaviour of wheat starch/pyrolysis gases hybrid mixtures under different operating conditions of Ignition Delay Time…”
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Evaluation of drift-velocity closure relationships for highly viscous liquid-air slug flow in horizontal pipes through 3D CFD modelling by Valdés, Juan Pablo, Pico, Paula, Pereyra, Eduardo, Ratkovich, Nicolás

“…•A 3D-CFD model was developed to predict the drift velocity of highly-viscous fluids.•Seven drift velocity correlations were evaluated at different…”
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Analysis of the explosion behaviour of wheat starch/pyrolysis gases hybrid mixtures through experimentation and CFD-DPM simulations by Pico, Paula, Ratkovich, Nicolás, Muñoz, Felipe, Dufaud, Olivier

“…As a result of their intrinsic compl5exity and their severe consequences, the study of hybrid mixture explosions requires the consideration of several…”
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Membrane BioReactor (MBR) Activated Sludge Surrogate Alternatives Carboxymethyl Cellulose and Xanthan Gum: A Statistical Analysis and Review by Ratkovich, Nicolás, Amaya-Gómez, Rafael

“…Membrane Bioreactors (MBR) combine traditional biological treatments such as Activated Sludge (AS) with a membrane-based filtration process to extract…”
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Development of a Distilled Beverage Using Yacon Root (Smallanthus sonchifolius) by Marin Arévalo, Manuel José, Ratkovich, Nicolás

“…Yacon, known for its fructooligosaccharides, fructans, and inulin content, has shown potential for novel beverage production. This study explores the…”
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Comparison between eulerian and vof models for two-phase flow assessment in vertical pipes by Guerrero, Esteban, Muñoz, Felipe, Ratkovich, Nicolás

“…ABSTRACT The appropriate characterization of the two-phase flow has been recently considered as a topic of interest at industrial level. The Computational…”
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Study of liquid–gas two-phase flow in horizontal pipes using high speed filming and computational fluid dynamics by López, Jorge, Pineda, Hugo, Bello, David, Ratkovich, Nicolás

“…•Monitoring, measuring and analyzing multiphase flow significant characteristics (void fraction, flow pattern).•CFD methodology for different flow pattern in…”
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Assessing botanical compatibility in gin production: A mathematical model and network analysis approach by Ramirez, Javier, León, Juan Camilo, Amaya-Gómez, Rafael, Ratkovich, Nicolás

“…This study introduces a novel methodology for evaluating volatile-compound-based compatibility in 160 botanicals essential for gin production. It establishes a…”
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CFD study and experimental validation of low liquid-loading flow assurance in oil and gas transport: studying the effect of fluid properties and operating conditions on flow variables by Ballesteros Martínez, Miguel, Pereyra, Eduardo, Ratkovich, Nicolás

“…Low liquid-loading flow frequently occurs during the transport of gas products in various industries, such as in the Oil & Gas, the Food, and the…”
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CFD study of the water production in mature heavy oil fields with horizontal wells by Andrés Pinilla, Miguel Asuaje, Camila Pantoja, Luis Ramirez, Jessica Gomez, Nicolás Ratkovich

“…Excessive water production in mature heavy oil fields causes incremental costs, energy consumption, and inefficiency. Understanding multiphase flows near the…”
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Proposal of a new injection nozzle to improve the experimental reproducibility of dust explosion tests by Murillo, Carlos, Amín, Mariangel, Bardin-Monnier, Nathalie, Muñoz, Felipe, Pinilla, Andrés, Ratkovich, Nicolás, Torrado, David, Vizcaya, Daniel, Dufaud, Olivier

“…The influence of the injection nozzle on the dispersion process of a combustible dust in the 20 L sphere is established by developing a descriptive analysis…”
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Phase Inversion Correlations Analysis for Oil–Water Flow in Horizontal Pipes by Prieto, Laura, Pinilla, Andrés, Becerra, Deisy, Pico, Paula, Valdés, Juan P, Pereyra, Eduardo, Ratkovich, Nicolás

“…Several models and correlations have been developed to predict phase inversion. However, most of them are for specific and limited ranges of operation…”
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Critique – Comparison between P-HENS and Aspen Energy Analyzer for heat exchanger network synthesis by Burgos, Daniel, Valencia, Sebastian, Amaya-Gómez, Rafael, Ratkovich, Nicolás

“…This critique evaluates the use of the P-HENS software for developing recommended heat exchanger network designs compared to the commercial simulator Aspen…”
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Probabilistic approach of a flow pattern map for horizontal, vertical, and inclined pipes by Amaya-Gómez, Rafael, López, Jorge, Pineda, Hugo, Urbano-Caguasango, Diana, Pinilla, Jorge, Ratkovich, Nicolás, Muñoz, Felipe

“…A way to predict two-phase liquid-gas flow patterns is presented for horizontal, vertical and inclined pipes. A set of experimental data (7702 points,…”
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