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Browsing by Subject "Computational fluid dynamics"

Now showing items 1-20 of 30

Acoustic characteristics of a ported shroud turbocompressor operating at design conditions

Sharma, Sidharath; Broatch, A.; GARCIA TISCAR, JORGE; Allport, John M.; Nickson, Ambrose K. (SAGE Publications, 2020-10)

[EN] In this article, the acoustic characterisation of a turbocharger compressor with ported shroud design is carried out through the numerical simulation of the system operating under design conditions of maximum isentropic ...
Analysis of the impact of the geometry on the performance of an automotive centrifugal compressor using CFD simulations

Galindo, José; Gil Megías, Antonio; Navarro, Roberto; Tarí, Daniel (Elsevier, 2019-02-05)

[EN] During the latest years, downsizing in internal combustion engines has moved the operating conditions of the compressor closer the surge limit. Surge onset depends on the geometry of the compressor inlet and is difficult ...
Analysis of the influence of geometric, modeling and environmental parameters on the fire response of steel bridges subjected to realistic fire scenarios

Peris-Sayol, Guillem; Paya-Zaforteza, Ignacio; Alós Moya, José; Hospitaler Pérez, Antonio (Elsevier, 2015-06)

This paper studies bridge fires by using numerical models to analyze the response of a typical girder bridge to tanker truck fires. It explains the influence of fire position, bridge configuration (vertical clearance, ...
Application of CFD methods to an anaerobic digester: The case of Ontinyent WWTP, Valencia, Spain

López Jiménez, Petra Amparo; Escudero-Gonzalez, Juan; Montoya Martinez, Tatiana; Fajardo Montanana, Vicente; Gualtieri, Carlo (Elsevier, 2015-09)

[EN] tIn recent years, Computational Fluid Dynamics (CFD) methods have increasingly been used to charac-terize hydrodynamics and mass-transport in wastewater treatment units. Despite being a well-knownand widely applied ...
Caracterización de Ventosas mediante técnicas CFD

García Mares, Francisco José (Universitat Politècnica de València, 2013-06-27)

[ES] El aire atrapado en las conducciones de agua a presión es el causante de muchos problemas, algunos de los cuales pueden tener consecuencias catastróficas para la integridad de la instalación en sí. Como solución más ...
Centrifugal compressor influence on condensation due to Long Route-Exhaust Gas Recirculation mixing

Galindo, José; Navarro, Roberto; Tarí, Daniel; García -Olivas, Guillermo (Elsevier, 2018-11-05)

[EN] State of the art techniques for reducing pollutant emission in internal combustion engines often require local flow assessment, specially in the air management field. This work addresses the interaction between a ...
CFD modeling of combustion and soot production in Diesel sprays

Pachano Prieto, Leonardo Manuel (Universitat Politècnica de València, 2020-05-04)

[ES] En los últimos años, las emisiones de hollín provenientes de los motores de combustión interna han recibido más atención debido al impacto negativo que éstas tienen no solo en el ambiente, sino también en la salud del ...
CFD Study of High-Lift Devices

Algora, Martin (Universitat Politècnica de València, 2015-03-31)

High lift devices are an essential part of the wing of an aircraft as they can provide a significant increase in lift and the stall angle of the wing, enabling planes to fly safely in situations like takeoff and landing. ...
CFD-modelling of free surface flows in closed conduits

Teuber, Katharina; Broecker, Tabea; Bayón, Arnau; Nutzmann, Gunnar; Hinkelmann, Reinhard (Inderscience Enterprises Ltd., 2019)

[EN] Computational fluid dynamics (CFD) is gaining an increasing importance in the field of hydraulic engineering. This publication presents different application examples of a two-phase approach as implemented in the ...
Computational methodology to determine fluid related parameters on non regular three-dimensional scaffolds

Acosta Santamaría, Víctor Andrés; Malvé, M.; Duizabo, A.; Mena Tobar, A.; Gallego Ferrer, Gloria; García Aznar, J.M.; Doblare Castellano, Manuel; Ochoa, I. (Springer Verlag (Germany), 2013-11)

The application of three-dimensional (3D) biomaterials to facilitate the adhesion, proliferation, and differentiation of cells has been widely studied for tissue engineering purposes. The fabrication methods used to ...
Computational morphogenesis using environmental simulation tools

TEUFFEL, Patrick; PLOMP, Huib; HEINZELMANN, Florian; GEURTS, Chris (Editorial Universitat Politècnica de València, 2009-12-01)

A lot of research has been carried out in the relation of structural optimisation and form finding processes of architectural and engineering building projects and only recently the consideration of other performance ...
Desarrollo de equipos para el ensayo de ventosas mediante la aplicación de la semejanza hidrodinámica

García Mares, Francisco José (Universitat Politècnica de València, 2016-10-20)

[ES] En la operación de las redes hidráulicas a presión uno de los mayores causantes de problemas es el aire atrapado en las mismas. Problemas que pueden tener en ocasiones consecuencias fatales para la integridad de la ...
Desarrollo de modelo numérico para la detección de cavitación en tubos Venturi mediante técnicas CFD

Ruiz Garrido, María (Universitat Politècnica de València, 2020-07-13)

[ES] El objeto del presente trabajo de final de grado de Ingeniería en Tecnologías Industriales es desarrollar un modelo numérico basado en técnicas de dinámicas de fluidos computacional (CFD) que permita la caracterización ...
Development and validation of a two-phase computational model for an alternative fire suppression agent

Shaparia, Nishit Rajeshkumar (Universitat Politècnica de València, 2020-12-19)

[ES] Halon1301 se ha utilizado como agente de extinción de incendios en sistemas activos de extinción de incendios en motores de aviones, APU (Unidad de potencia auxiliar) y protección contra incendios de carga durante más ...
Development and verification of an in-flow water condensation model for 3D-CFD simulations of humid air streams mixing

Serrano, J.R.; Piqueras, P.; Navarro, Roberto; Tarí, Daniel; Meano, Cesare Maria (Elsevier, 2018-05-15)

[EN] Bulk flow condensation caused by the mixing of air streams at different temperatures and humidities is a thermodynamic process that requires strong assumptions to be calculated with low computational effort. The ...
Development of a Virtual CFR Engine Model for Knocking Combustion Analysis

Pal, Pinaki; Kolodziej, Christopher; Choi, Seungmok; Som, Sibendu; Broatch, A.; Gómez-Soriano, Josep; Wu, Yunchao; Lu, Tianfeng; See, Yee Chee (SAE International, 2018)

[EN] Knock is a major bottleneck to achieving higher thermal efficiency in spark-ignited (SI) engines. The overall tendency to knock is highly dependent on fuel anti-knock quality as well as engine operating conditions. ...
Effects of ported shroud casing treatment on the acoustic and flow behaviour of a centrifugal compressor

Sharma, Sidharath; GARCIA TISCAR, JORGE; Allport, John M.; Barrans, Simon; Nickson, Ambrose K. (SAGE Publications, 2020-08)

[EN] Centrifugal turbomachines of smaller sizes operating at higher speeds have become pervasive due to the increased specific power and reliability achieved by improvements in manufacturing, materials and computational ...
El diseño de las instalaciones de pollos de carne y su influencia en las condiciones de confort de los animales

Guerra Galdo, Eva Hilda; Calvet, S.; López Jiménez, Petra Amparo; Estellés, F. (2016)

[EN] Broiler chicken performance is highly affected by environmental conditions inside the barn. The main parameters that must be considered in terms of thermic confort are temperature, relative humidity and air velocity. ...
Estudio computacional del flujo no reactivo en cámaras de combustión

Belmar Gil, Mario (Universitat Politècnica de València, 2018-10-17)

El presente Trabajo Fin de Master trata la resolución numérica mediante códigos CFD de una novedosa estrategia de inyección/combustión, conocida como Lean Direct Injection, aplicada a los motores de flujo continuo. Este ...
Fluid Dynamic Modeling of Oxygen Permeation through Mixed Ionic-Electronic Conducting Membranes

Gozálvez-Zafrilla, José M.; Santafé Moros, María Asunción; Escolástico Rozalén, Sonia; Serra Alfaro, José Manuel (ELSEVIER SCIENCE BV, 2011-08-15)

[EN] The oxygen transport in a lab-scale experimental set-up for permeation testing of oxygen transport membranes has been modeled using computational fluid dynamics using Finite Element Analysis. The modeling considered ...