Search Results - "Chiva, Sergio"

On the use of deep learning and computational fluid dynamics for the estimation of uniform momentum source components of propellers by Martínez-Cuenca, Raúl, Luis-Gómez, Jaume, Iserte, Sergio, Chiva, Sergio

“…This article proposes a novel method based on Deep Learning for the resolution of uniform momentum source terms in the Reynolds-Averaged Navier-Stokes…”
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Numerical investigation of the effect of viscosity in a multistage electric submersible pump by Ofuchi, Edgar Minoru, Stel, Henrique, Sirino, Thiago, Vieira, Tatiana Silva, Ponce, Francisco Javier, Chiva, Sergio, Morales, Rigoberto E. M.

“…Electric submersible pump (ESP) systems are commonly used as an artificial lift technique by the petroleum industry. Operations of ESPs in oil wells are…”
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Validation of NEPTUNE-CFD Two-Phase Flow Models Using Experimental Data by Böttcher, Michael, Chiva Vicent, Sergio, Sánchez Espinoza, Victor Hugo, Mañes, Jorge Pérez, Stieglitz, Robert

“…This paper deals with the validation of the two-phase flow models of the CFD code NEPTUNEC-CFD using experimental data provided by the OECD BWR BFBT and PSBT…”
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Hydrodynamic characterization of a needle sparger rectangular bubble column: Homogeneous flow, static bubble plume and oscillating bubble plume by Juliá, J. Enrique, Hernández, Leonor, Chiva, Sergio, Vela, Antonio

“…In this work a detailed experimental hydrodynamic characterization of a needle sparger rectangular bubble column has been performed. The liquid velocity…”
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A New Coupled CFD/Neutron Kinetics System for High Fidelity Simulations of LWR Core Phenomena: Proof of Concept by Stieglitz, Robert, Chiva Vicent, Sergio, Sánchez Espinoza, Victor Hugo, Mañes, Jorge Pérez

“…The Institute for Neutron Physics and Reactor Technology (INR) at the Karlsruhe Institute of Technology (KIT) is investigating the application of the meso- and…”
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Numerical simulation of gas-liquid flows in a centrifugal rotor by Stel, Henrique, Ofuchi, Edgar M., Chiva, Sergio, Morales, Rigoberto E.M.

“…•A numerical study of the gas-liquid flow in a centrifugal rotor is conducted.•A polydispersed Euler-Euler model is adopted with many gas-liquid…”
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Evaluation of hydraulic mixing performance in a full-scale anaerobic digester with an external liquid recirculation system using CFD and experimental validation by Arnau, Rosario, Climent, Javier, Martínez-Cuenca, Raúl, Rodríguez, Jorge, Chiva, Sergio

“…[Display omitted] •CFD anaerobic digesters models were validated by means of complete RTD curve.•Design mixing parameters in anaerobic digestion should be…”
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Hindered and compression solid settling functions – Sensor data collection, practical model identification and validation by Plósz, Benedek G., Climent, Javier, Griffin, Christopher T., Chiva, Sergio, Mukherjee, Rani, Penkarski-Rodon, Elena, Clarke, Matthew, Valverde-Pérez, Borja

“…Secondary settling tanks (SSTs) are the most hydraulically sensitive unit operations in activated sludge water resource recovery facilities (WRRF)…”
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Design and optimization of a semi‐industrial cavitation device for a pretreatment of an anaerobic digestion treatment of excess sludge and pig slurry by Vilarroig, Jose, Martínez, Raúl, Zuriaga‐Agustí, Elena, Torró, Salvador, Galián, Manuel, Chiva, Sergio

“…The use of hydrodynamic cavitation (HC) as a wastewater treatment and anaerobic digestion pretreatment is a well‐known process. However, most of the…”
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Numerical investigation of models for drag, lift, wall lubrication and turbulent dispersion forces for the simulation of gas–liquid two-phase flow by Yamoah, Stephen, Martínez-Cuenca, Raúl, Monrós, Guillem, Chiva, Sergio, Macián-Juan, Rafael

“…•Complete study on monodisperse simulation of two-phase bubbly flows.•Extensive comparison between existing models for interfacial forces.•Results compared to…”
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Long‐term performance and activity study of a two‐stage anaerobic EGSB reactors system treating complex and toxic industrial wastewater by Garcia‐Tirado, Ruben, Fernandez‐Crespo, Emma, Font, Xavier, Vicent, Teresa, Peralta, Juan, Trifi, Delia, Martinez‐Cuenca, Raul, Chiva, Sergio

“…Anaerobic treatment of industrial wastewater using upflow anaerobic reactors is an extended trend due to its high efficiency and biogas production potential,…”
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Single droplet drying of detergents: Experimentation and modelling by Hernandez, Borja, Mondragon, Rosa, Pinto, Mark A., Hernandez, Leonor, Julia, J. Enrique, Jarque, Juan Carlos, Chiva, Sergio, Martin, Mariano

“…[Display omitted] •Three stages are observed: free diffusion, diffusion governed by crust and boiling.•A multi-stage first principles-based model has been…”
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Modeling of wastewater treatment processes with hydrosludge by Iserte, Sergio, Carratalà, Pablo, Arnau, Rosario, Martínez‐Cuenca, Raúl, Barreda, Paloma, Basiero, Luís, Climent, Javier, Chiva, Sergio

“…The pressure for Water Resource Recovery Facilities (WRRF) operators to efficiently treat wastewater is greater than ever because of the water crisis, produced…”
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Accelerating urban scale simulations leveraging local spatial 3D structure by Iserte, Sergio, Macías, Aina, Martínez-Cuenca, Raúl, Chiva, Sergio, Paredes, Roberto, Quintana-Ortí, Enrique S.

“…This paper presents a hybrid methodology for accelerating Computational Fluid Dynamics (CFD) simulations intertwining inferences from deep neural networks…”
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Experimental and CFD evaluation of ozone efficacy against coronavirus and enteric virus contamination on public transport surfaces by Falcó, Irene, Randazzo, Walter, Sánchez, Gloria, Vilarroig, Jose, Climent, Javier, Chiva, Sergio, Chica, A., Navarro-Laboulais, J.

“…The limited information about the routes of the transmission of SARS-CoV-2 within the ongoing pandemic scenario mobilized the administration, industry and…”
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Development of Conductivity Sensors for Multi-Phase Flow Local Measurements at the Polytechnic University of Valencia (UPV) and University Jaume I of Castellon (UJI) by Muñoz-Cobo, José Luis, Chiva, Sergio, Méndez, Santos, Monrós, Guillem, Escrivá, Alberto, Cuadros, José Luis

“…This paper describes all the procedures and methods currently used at UPV (Universitat Politécnica de Valencia) and UJI (University Jaume I) for the…”
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CFD modeling of a fixed-bed biofilm reactor coupling hydrodynamics and biokinetics by Prades, L., Dorado, A.D., Climent, J., Guimerà, X., Chiva, S., Gamisans, X.

“…[Display omitted] •Different tools for modeling fixed-bed biofilm reactors were evaluated.•Models performance was validated with experimental measurements…”
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Study of the drying behavior of high load multiphase droplets in an acoustic levitator at high temperature conditions by Mondragon, Rosa, Hernandez, Leonor, Enrique Julia, J., Carlos Jarque, Juan, Chiva, Sergio, Zaitone, Belal, Tropea, Cameron

“…Experimental data on the drying behavior of suspension droplets is limited, despite its importance in industrial applications for material processing, chemical…”
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Simulation of bubbly flow in vertical pipes by coupling Lagrangian and Eulerian models with 3D random walks models: Validation with experimental data using multi-sensor conductivity probes and Laser Doppler Anemometry by Muñoz-Cobo, José L., Chiva, Sergio, Essa, Mohamed Ali Abd El Aziz, Mendes, Santos

“…► We have simulated bubbly flow in vertical pipes by coupling a Lagrangian model to an Eulerian one, and to a 3D random walk model. ► A set of experiments in a…”
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On the One-Dimensional Modeling of Vertical Upward Bubbly Flow by Verdú, G., Miró, Rafael, Chiva Vicent, Sergio, Gómez-Zarzuela, C., Peña-Monferrer, C., Muñoz-Cobo, J. L.

“…The one-dimensional two-fluid model approach has been traditionally used in thermal-hydraulics codes for the analysis of transients and accidents in…”
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