Search Results - "Ratkovich, Nicolas"

Compatibility Model between Encapsulant Compounds and Antioxidants by the Implementation of Machine Learning by Quintana-Rojas, Juliana, Amaya-Gómez, Rafael, Ratkovich, Nicolas

“…The compatibility between antioxidant compounds (ACs) and wall materials (WMs) is one of the most crucial aspects of the encapsulation process, as the…”
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Study of Ultrasound-Assisted Technology for Accelerating the Aging Process in a Sugar Cane Honey Spirit by Caicedo-Narváez, Santiago, Aldana-Heredia, Juan Felipe, Ratkovich, Nicolas

“…This study aims to obtain an alternative aging method using toasted white oak chips and ultrasound technology that yields a final product of similar quality to…”
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Synthetic jets as a flow control device for performance enhancement of vertical axis hydrokinetic turbines: A 3D computational study by Botero, Nicolas, Ratkovich, Nicolas, Lain, Santiago, Lopez Mejia, Omar D.

“…In the present work, a vertical axis turbine with straight blades was analyzed through a numerical simulation in three dimensions, the performance of the…”
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Data driven methodology for model selection in flow pattern prediction by Hernandez, Juan Sebastian, Valencia, Carlos, Ratkovich, Nicolas, Torres, Carlos F., Muñoz, Felipe

“…The determination of multiphase flow parameters such as flow pattern, pressure drop and liquid holdup, is a very challenging and valuable problem in chemical,…”
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SMP Production in an Anaerobic Submerged Membrane Bioreactor (AnMBR) at Different Organic Loading Rates by Medina, Sandra C, Zamora-Vacca, Nataly, Luna, Hector J, Ratkovich, Nicolas, Rodríguez Susa, Manuel

“…Anaerobic membrane bioreactors (AnMBRs) have demonstrated an excellent capability to treat domestic wastewater. However, biofouling reduces membrane…”
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The Spirit of Cachaça Production: An Umbrella Review of Processes, Flavour, Contaminants and Quality Improvement by Ratkovich, Nicolas, Esser, Christian, de Resende Machado, Ana Maria, Mendes, Benjamim de Almeida, Cardoso, Maria das Graças

“…This review provides a comprehensive analysis of the production, classification, and quality control of cachaça, a traditional Brazilian sugarcane spirit with…”
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CFD to Improve the Repeatability and Accuracy of Dust Explosion Tests in the 20-liters Sphere by Murillo, Carlos, Bardin-Monnier, Nathalie, Blanchard, Christian, Funfschilling, Denis, Muñoz-Giraldo, Felipe, Ratkovich, Nicolás, Vizcaya, Daniel, Dufaud, Olivier

“…The experimental characterization of combustible dusts is usually associated to several uncertainty factors that rely on the physical properties of the powder…”
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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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