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Listar por autor "Galindo Lucas, José"

Mostrando ítems 1-20 de 120

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A methodology to study the interaction between variable valve actuation and exhaust gas recirculation systems for spark-ignition engines from combustion perspective

Galindo, José; Climent, H.; De La Morena, Joaquín; Pitarch-Berná, Rafael; Guilain, Stephane; Besançon, Thomas (Elsevier, 2021-12-15)

[EN] Several technologies are being put in place to improve the efficiency of spark-ignition engines. Two of these technologies are variable valve actuation and exhaust gas recirculation, both of which can have an impact ...
A New Model for Matching Advanced Boosting Systems to Automotive Diesel Engines

Galindo, José; Luján, José M.; Climent, H.; Guardiola, Carlos; Varnier, Olivier (SAE International, 2014)

[EN] Boosting technologies have been key enablers for automotive engines development through downsizing and downspeeding. In this situation, numerous multistage boosting systems have appeared in the last decade. The ...
A numerical approach for predicting flow-induced acoustics at near-stall conditions in an automotive turbocharger compressor

Navarro García, Roberto (Universitat Politècnica de València, 2014-11-13)

Se realiza un modelo CFD-3D de un compresor centrífugo. Se determina la configuración numérica adecuada para simular puntos de funcionamiento cercanos a bombeo. Se validan los resultados frente a ensayos experimentales ...
A study on the high pressure EGR transport and application to the dispersion among cylinders in automotive engines

Galindo, José; Climent, H.; Navarro, Roberto; Miguel-García, Julián; Chalet, David; Pretot, Pierre-Emmanuel (SAGE Publications, 2021-10)

[EN] The objective of this study is to explore the limits of a one-dimensional model to predict the movement and mixing of the air and exhaust gases recirculation (EGR) flows in compact intake manifolds of recent automotive ...
A zonal approach for estimating pressure ratio at compressor extreme off-design conditions

Galindo, José; Navarro, Roberto; García-Cuevas González, Luis Miguel; Tarí, Daniel; Tartoussi, H.; Guilain, S. (SAGE Publications, 2019-04)

[EN] Zero-dimensional/one-dimensional computational fluid dynamics codes are used to simulate the performance of complete internal combustion engines. In such codes, the operation of a turbocharger compressor is usually ...
Advanced exergy analysis for a bottoming organic rankine cycle coupled to an internal combustion engine

Galindo, José; Ruiz Rosales, Santiago; Dolz Ruiz, Vicente; Royo-Pascual, Lucía (Elsevier, 2016-10-15)

This paper deals with the evaluation and analysis of a bottoming ORC cycle coupled to an IC engine by means of conventional and advanced exergy analysis. Using experimental data of an ORC coupled to a 2 l turbocharged ...
Advanced exergy analysis of a jet ejector refrigeration cycle used to cool down the intake air in an internal combustion engine

Galindo, José; Dolz, Vicente; Pla Moreno, Benjamín; Ponce-Mora, Alberto (Inderscience Enterprises Ltd., 2020)

[EN] This paper describes a jet ejection cycle coupled to a 1.5 L diesel engine to reduce the intake air temperature using the waste heat of the exhaust gases. This cycle is evaluated by means of conventional and advanced ...
Advantages of using a cooler bypass in the low-pressure exhaust gas recirculation line of a compression ignition diesel engine operating at cold conditions

Galindo, José; Dolz, Vicente; Monsalve-Serrano, Javier; Bernal-Maldonado, Miguel Angel; Odillard, Laurent (SAGE Publications, 2021-05)

[EN] The low efficiency of the after-treatment systems during the cold start period of the internal combustion engines leads to excessive pollutant emissions levels. To reduce the nitrogen oxide emissions at these conditions, ...
An on-engine method for dynamic characterisation of NOx concentration sensors

Galindo, José; Serrano Cruz, José Ramón; Guardiola, Carlos; Blanco-Rodriguez, David; Cuadrado, I.G. (Elsevier, 2011-04)

An on-engine method for dynamic characterisation of automotive NOx concentration sensors is presented. Steps in start of injection on a diesel engine are employed to achieve step-like NOx concentration variations on exhaust ...
Analysis of condensation and secondary flows at three-way junctions using optical visualization techniques and computational fluid dynamics

Galindo, José; Navarro, Roberto; Tarí, D.; Moya-Torres, Francisco (Elsevier, 2021-08)

[EN] Three-way junctions are employed in almost all piping systems, whenever two streams need to be merged into one duct. In some applications, the mixing between streams plays an important role for determining the performance ...
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 different real flow effects on computational fluid dynamics boundary conditions based on the method of characteristics

Galindo, José; Tiseira Izaguirre, Andrés Omar; Fajardo, Pablo; Navarro García, Roberto (Elsevier, 2013-04)

Nowadays, turbocharged internal combustion engines (ICEs) are very common in automotive powerplants, monopolizing the Diesel sector and having a steadily increasing percentage in the gasoline one. In this frame, the interest ...
Análisis CFD de la influencia de la voluta en el flujo de un compresor centrífugo

García Felis, Daniel (Universitat Politècnica de València, 2017-09-28)

[EN] The present final work has as a main objective the creation of a three dimensional volute¿s model, from a real model obtained by a three dimensional scanner. The objective is to create a model that can be edited easily ...
Análisis de un intercambiador por el método de la eficiencia

Galindo Lucas, José (Universitat Politècnica de València, 2010-04-27)

En este objeto de aprendizaje se muestra cómo realizar el análisis térmico de un intercambiador. Se recuerdan en primer lugar las ecuaciones de diseño térmico de un intercambiador. Se introduce el concepto de potencia ...
Análisis de una turbina centrípeta con fluet

Lopez Florenciano, Alberto (Universitat Politècnica de València, 2013-07-24)

Proyecto Confidencial
Análisis del ruido generado por un compresor centrífugo trabajando cerca de bombeo mediante CFD

Díaz Picó, Carles (Universitat Politècnica de València, 2013-11-14)

Consulta en la Biblioteca ETSI Industriales (Riunet)
Análisis exergo-económico para un ciclo rankine orgánico acoplado a un motor de combustión interna alternativo

Ferrer Arnau, María (Universitat Politècnica de València, 2017-10-05)

Consulta en la Biblioteca ETSI Industriales (Riunet)
Análisis termo-fluido-dinámico del flujo en una turbina radial de sobrealimentación mediante simulaciones CFD

Fajardo Peña, Pablo (Universitat Politècnica de València, 2011-09-06)

En este trabajo se ha realizado un estudio termo-fluido-dinámico de una turbina radial mediante el uso de mecánica de fluidos computacional. Ha sido necesario desarrollar nuevas condiciones de contorno para el código ...
Assessment of air management strategies to improve the transient response of advanced gasoline engines operating under high EGR conditions

Galindo, José; Climent, H.; De La Morena, Joaquín; González-Domínguez, David; Guilain, Stéphane (Elsevier, 2023-01-01)

[EN] Advanced gasoline engines may lead the medium-term future of the passenger vehicle market, working in conventional and hybrid powertrains. Downsizing with turbocharging is the most extended way to improve fuel economy ...
Assessment of the numerical and experimental methodology to predict EGR cylinder-to-cylinder dispersion and pollutant emissions

Galindo, José; Climent, H.; Navarro, Roberto; García-Olivas, Guillermo (SAGE Publications, 2021-10)

[EN] EGR cylinder-to-cylinder dispersion poses an important issue for piston engines, since it increases NOx and particulate matter (PM) emissions. In this work, the EGR distribution on a 6-cylinder intake manifold is ...