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Listar por palabra clave "Fuel consumption"

Mostrando ítems 1-20 de 31

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Analysis of fluid-dynamic guidelines in diesel particulate filter sizing for fuel consumption reduction in post-turbo and pre-turbo placement

Serrano Cruz, José Ramón; Climent Puchades, Héctor; Piqueras Cabrera, Pedro; Angiolini, Emanuele (Elsevier, 2014-11-01)

Wall-flow particulate filters are in the present days a standard aftertreatment system widely used in diesel engines to reduce particle emissions and meet emission regulations. This paper deals with the analysis of the ...
Analysis of pollutant emissions and fuel consumption, during real driving cycles in different intake temperature scenarios

Luján, José M.; Climent, H.; Ruiz-Rosales, Santiago; Redondo-Puelles, Fernando (SAGE Publications, 2023-02)

[EN] Current European vehicle homologation regulations are increasingly restrictive. Recently, World-wide light-duty test cycle (WLTC) and Real driving emissions (RDE) cycles have been introduced as type approval tests for ...
Assessment of the effect of low viscosity oils usage on a light duty diesel engine fuel consumption in stationary and transient conditions

Macian Martinez, Vicente; Tormos Martínez, Bernardo Vicente; Bermúdez, Vicente; Ramírez Roa, Leonardo Andrés (Elsevier, 2014-11)

Regarding the global warming due CO2 emissions, the crude oil depletion and its corresponding rising prices, OEMs are exploring different solutions to increase the internal combustion engine efficiency, among which, the ...
Cálculo de perfiles verticales y consumo de combustible en rutas aéreas basado en BADA

Canet Navarro, Josep Miquel (Universitat Politècnica de València, 2023-10-17)

[ES] Los perfiles de ascenso y descenso de las aeronaves necesitan calcularse en función de parámetros específicos de cada aeronave y las limitaciones de las cartas. Este TFG propone realizar una herramienta para realizar ...
Comparative study of regulated and unregulated gaseous emissions during NEDC in a light-duty diesel engine fuelled with Fischer Tropsch and biodiesel fuels

Bermúdez, Vicente; Luján, José M.; Plá Moreno, Benjamín; Linares Rodríguez, Waldemar Gregorio (Elsevier, 2011-02)

In this study, regulated and unregulated gaseous emissions and fuel consumption with five different fuels were tested in a 4-cylinder, light-duty diesel EURO IV typically used for the automotive vehicles in Europe. Three ...
Comparison of fuel consumption based on fligth data

Oliver del Pozo, Antonio (Universitat Politècnica de València, 2015-11-05)

When approaching to an airport, there are different situations that may affect an aircraft’s performance and increase fuel burn, flight time and cost, such as bottlenecks on arrival or hub closures. Airlines must be aware ...
Definición de metodologías para el estudio y evaluación de aceites de baja viscosidad como método efectivo para reducir elconsumo de combustible en motores de combustión

Ramírez Roa, Leonardo Andrés (Universitat Politècnica de València, 2014-10-23)

[EN] The study sets a method based on design of experiments theory to assess variations of less than 5% in fuel consumption when a fleets test is performed. The method will be used in a real test involving an urban transport ...
Development of Integrated Models for Thermal Management in Hybrid Vehicles

Dreif Bennany, Amin (Universitat Politècnica de València, 2023-06-12)

[ES] En los últimos años, la industria de la automoción ha hecho un gran esfuerzo para producir sistemas de propulsión más eficientes y menos contaminantes sin menguar su rendimiento. Las nuevas regulaciones impuestas por ...
Diseño conceptual de un turbofan híbrido bifuel mediante GSP

Wahi Abdeselam, Nizar (Universitat Politècnica de València, 2024-11-04)

[ES] En este trabajo se realiza el diseño conceptual de un aeropropulsor tipo turbofan capaz de operar simultáneamente con queroseno e hidrógeno. Este enfoque es de gran interés tanto para profundizar en la comprensión ...
DrivingStyles: A Mobile Platform for Driving Styles and Fuel Consumption Characterization

Meseguer Anastasio, Javier Enrique; Toh, Chai Keong; Tavares de Araujo Cesariny Calafate, Carlos Miguel; Cano, Juan-Carlos; Manzoni, Pietro (Institute of Electrical and Electronics Engineers, 2017)

[EN] Intelligent transportation systems (ITS) rely on connected vehicle applications to address real-world problems. Research is currently being conducted to support safety, mobility and environmental applications. This ...
Effects of low pressure exhaust gas recirculation on regulated and unregulated gaseous emissions during NEDC in a light-duty diesel engine

Bermúdez, Vicente; Luján, José M.; Plá Moreno, Benjamín; Linares Rodríguez, Waldemar Gregorio (Elsevier, 2011-09)

Regulated and unregulated gaseous emissions with high pressure and low pressure EGR (exhaust gas recirculation) system were tested in a 4-cylinder, light-duty diesel EURO IV engine typically used in European vehicles. Four ...
Evaluación de alternativas de propulsión descarbonizada para vehículos de transporte terrestre de mercancías. Proyecto de una metodología para empresas del sector

Lloret Llinares, Miguel (Universitat Politècnica de València, 2024-02-19)

[ES] Con el objetivo de mejorar la sostenibilidad en el transporte terrestre de mercancías, en el presente trabajo se analizan y comparan las diferentes alternativas para sistemas de propulsión que contribuyen a la ...
Evaluación de alternativas de propulsión descarbonizada para vehículos de transporte urbano de pasajeros

Catalá Andrés, Javier (Universitat Politècnica de València, 2024-07-03)

[ES] El CO2 es el mayor responsable del efecto invernadero, aunque no único. Este gas es producido en la mayoría de las actividades humanas, asociado al consumo de combustibles fósiles y otras actividades. Con el objetivo ...
Evaluación del Impacto Energético y Medio Ambiental de la Moderación de Tráfico en Travesías

Silvestre Martínez, Ramón; García García, Alfredo (Asociación Técnica de Carreteras, 2012)

[EN] Traffic calming reduces traffic speed and traffic flow in crosstown roads and urban streets to improve road safety. However, its design does not consider energy and environmental impact criteria in urban areas. In ...
Exhaust gas recirculation dispersion analysis using in-cylinder pressure measurements in automotive diesel engines

Luján, José M.; Climent, H.; Plá Moreno, Benjamín; Rivas Perea, Manuel Eduardo; Francois, Nicolas-Yoan; Borges Alejo, José; Soukeur, Zoulikha (Elsevier, 2015-10-05)

Current diesel engines are struggling to achieve exhaust emissions regulations margins, in certain cases penalizing the fuel consumption. The exhaust gas recirculation (EGR) continues to be employed as a technique to reduce ...
Experimental assessment of a pre-turbo aftertreatment configuration in a single stage turbocharged diesel engine. Part 2: Transient operation

Lujan Martinez, José Manuel; Serrano Cruz, José Ramón; Piqueras Cabrera, Pedro; García Afonso, Óscar (Elsevier, 2015-02-01)

This paper corresponds to the second part of a work devoted to analyse the impact of the pre-turbo aftertreatment configuration on the performance of a single stage turbocharged Diesel engine. This second part focuses on ...
Experimental assessment of pre-turbo aftertreatment configurations in a single stage turbocharged diesel engine. Part 1: Steady-state operation

Luján, José M.; Bermúdez, Vicente; Piqueras, P.; García Afonso, Óscar (Elsevier, 2015-02-01)

Diesel oxidation catalysts and diesel particulate filters are standard aftertreatment systems in Diesel engines which are traditionally placed downstream of the turbine. However, pre-turbo aftertreatment configurations are ...
Experimental study of sustainable fuels in traditional diesel engines

Civera Bayarri, Alicia (Universitat Politècnica de València, 2022-11-08)

[ES] Conociendo la creciente demanda de combustibles sostenibles y métodos alternativos de transporte debido a legislación de emisiones, siendo esta cada vez más restrictiva, este proyecto presenta un estudio sobre los ...
Fuel consumption and aftertreatment thermal management synergy in compression ignition engines at variable altitude and ambient temperature

Bermúdez, Vicente; Serrano, J.R.; Piqueras, P.; Diesel, Bárbara (SAGE Publications, 2022-11)

[EN] New regulations applied to the transportation sector are widening the operation range where the pollutant emissions are evaluated. Besides ambient temperature, the driving altitude is also considered to reduce the gap ...
Impact of Exhaust Gas Recirculation on Gaseous Emissions of Turbocharged Spark-Ignition Engines

Piqueras, P.; De La Morena, Joaquín; Sanchis-Pacheco, Enrique José; Pitarch-Berná, Rafael (MDPI AG, 2020-11)

[EN] Exhaust gas recirculation is one of the technologies that can be used to improve the efficiency of spark-ignition engines. However, apart from fuel consumption reduction, this technology has a significant impact on ...