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Listar por palabra clave "Gasoline"

Mostrando ítems 1-14 de 14

A study on the relationship between internal nozzle geometry and injected mass distribution of eight ECN Spray G nozzles

Matusik, Katarzyna; Duke, Daniel; Sovis, Nicholas; Swantek, Andrew; Powell, Christopher; Payri, Raul; Vaquerizo, Daniel; Giraldo Valderrama, Jhoan Sebastián; Kastengren, Alan (Editorial Universitat Politècnica de València, 2017-07-28)

[EN] Gasoline direct injection (GDI) nozzles are manufactured to meet geometric specifications with length scales on the order of a few hundred microns. The machining tolerances of these nominal dimensions are not always ...
An experimental study of gasoline effects on injection rate, momentum flux and spray characteristics using a common rail diesel injection system

Payri, Raul; García Martínez, Antonio; Domenech Llopis, Vicente; Durrett, Russell; Plazas, Alejandro H. (Elsevier, 2012-07)

A comparative study using diesel fuel and gasoline has been conducted focusing on the injection process. In this paper an experimental study has been carried out comparing the effects of the different fuels on the mass ...
Bioprospección en depósitos de combustible e identificación de especies microbianas con posible capacidad degradadora de hidrocarburos

Gómez Martínez, Daniela (Universitat Politècnica de València, 2019-07-16)

[ES] Debido a la creciente preocupación por la gestión y eliminación de residuos procedentes del uso de hidrocarburos como combustibles, cada vez más estudios se centran en la búsqueda de procedimientos eficaces con el ...
Dual-fuel compression ignition: towards clean, highly efficient combustion

Monsalve Serrano, Javier (Universitat Politècnica de València, 2016-12-12)

The more and more stringent emissions regulations, together with the greater fuel economy demanded by vehicle users, impose a clear objective to researchers and engine manufacturers: look for the maximum efficiency with ...
Estudio de estrategias de combustión para la mejora de la eficiencia en los motores de encendido por compresión

Monsalve Serrano, Javier (Universitat Politècnica de València, 2015-07-10)

[EN] The Master Thesis presented here deals with the drawbacks concerning the low combustion efficiency associated to the gasoline PPC and RCCI combustion modes at some engine operating conditions. Despite the fact that ...
Estudio de un sistema de combustión por pre-cámara en una máquina de compresión-expansión

Fogué Robles, Álvaro (Universitat Politècnica de València, 2018-10-31)

[ES] Ante la creciente necesidad de reducir la emisión de contaminantes producidos durante la combustión en los motores de combustión interna que se encuentran de forma masi cada en las calles, existen numerosas vías de ...
Evaluation of GDI spray structures under flash boiling and strong collapse conditions with diverse fuels

Payri, Raul; Marti-Aldaravi, Pedro; Mendoza Alvarez, Victor; Bautista, Abian (Elsevier, 2023-11-05)

[EN] GDI (Gasoline Direct Injection) sprays are a matter of continuous research due to their potential for higher thermal efficiency and power output. Injections in GDI engines tend to happen at relatively high temperatures, ...
Impact of Spark Assistance and Multiple Injections on Gasoline PPC Light Load

Benajes Calvo, Jesus Vicente; Tormos Martínez, Bernardo Vicente; García Martínez, Antonio; Monsalve Serrano, Javier (SAE International, 2014-10)

Along the last years, engine researchers are more and more focusing their efforts on the advanced low temperature combustion (LTC) concepts with the aim of achieving the stringent limits of the current emission legislations. ...
Investigation on Multiple Injection Strategies for Gasoline PPC Operation in a Newly Designed 2-Stroke HSDI Compression Ignition Engine

Benajes Calvo, Jesus Vicente; Novella Rosa, Ricardo; De Lima Moradell, Daniela Andreina; Tribotte, Pascal (SAE International, 2015-04)

Partially Premixed Combustion (PPC) of fuels in the gasoline octane range has proven its potential to achieve simultaneous reduction in soot and NOX emissions, combined with high indicated efficiencies; while still retaining ...
Medidas de flujo másico y determinación de geometría de un inyector GDI VCO multiorificio guiado por spray

Vaquerizo Sánchez, Daniel (Universitat Politècnica de València, 2016-01-12)

[EN] The master thesis lies in the measurement of mass flow rate and the geometry determination of a GDI injector. This is presented in an article draft and a presentation made for the investigation group "Engine Combustion ...
Models for automotive fuel droplets heating and evaporation

al Qubeissi, Mansour; Sazhin, Sergei; Al-Esawi, Nawar (Editorial Universitat Politècnica de València, 2017-07-28)

[EN] The paper presents recent approaches to the modelling of heating and evaporation of automotive fuel droplets with application to biodiesel, diesel, gasoline, and blended fuels in conditions representative of internal ...
Rate of injection modelling for gasoline direct injectors

Payri, Raul; Bracho Leon, Gabriela; Gimeno, Jaime; Bautista-Rodríguez, Abián (Elsevier, 2018)

[EN] Awareness of climate change, fossil fuel availability, and pollutants has been growing which have pushed forward the effort in cleaner engines. In this aspect, the gasoline engines have more improving margin than ...
Simulations and experimental study to compare the behavior of a genset running on gasoline or syngas for small scale power generation

Vargas-Salgado, Carlos; Águila-León, Jesús; Alfonso-Solar, David; Malmquist, Anders (Elsevier, 2022-04-01)

[EN] Syngas produced from small-scale biomass gasification plants (tens of kW) can generate power from biomass resources. However, due to the syngas gensets demand is marginal, compared to gasoline gensets, it is not easy ...
Transient behaviour of a turbocharged, direct injection, spark ignited engine with low pressure exhaust gas recirculation

Pitarch Berná, Rafael (Universitat Politècnica de València, 2020-12-21)

[ES] La adición de EGR en motores de gasolina puede ser beneficiosa desde el punto de vista de la eficiencia. Esto se debe a la reducción de las pérdidas de calor asociadas al incremento de los calores específicos en ...