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Listar por autor "Lago Sari, Rafael"

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An optical investigation of thermal runway phenomenon under thermal abuse conditions

García Martínez, Antonio; Monsalve-Serrano, Javier; Lago-Sari, Rafael; Martínez-Boggio, Santiago Daniel (Elsevier, 2021-10-15)

[EN] This work aims at studying the thermal runaway process caused by thermal abuse using different optical techniques. A commercial Samsung ICR 18,650 - 26 J cylindrical battery cell is exposed to different heating ramps ...
Assessment of a complete truck operating under dual-mode dual-fuel combustion in real life applications: Performance and emissions analysis

García Martínez, Antonio; Monsalve-Serrano, Javier; Lago-Sari, Rafael; Gaillard,Patrick (Elsevier, 2020-12-01)

[EN] The dual-mode dual-fuel (DMDF) strategy has been demonstrated to be a potential combustion mode to cover all the engine map with low-to-moderate NOx and soot emissions and high efficiency simultaneously. This can be ...
Clean and efficient dual-fuel combustion using OMEx as high reactivity fuel: comparison to diesel-gasoline calibration

Benajes, Jesús; García Martínez, Antonio; Monsalve-Serrano, Javier; Lago-Sari, Rafael (Elsevier, 2020-07-15)

[EN] From previous results in a single-cylinder engine platform, it can be concluded that the dual-mode dual-fuel (DMDF) concept can be a potential solution to overcome the major constraints found with other single-fuel ...
Combining in-cylinder pressure and 1D simulation tools to understand the combustion characteristics of natural gas in pre-chamber ignition systems for energy generation

García Martínez, Antonio; De La Morena, Joaquín; Monsalve-Serrano, Javier; Lago-Sari, Rafael; Tunestal, Per (Elsevier, 2021-07-15)

[EN] Recent outlooks suggest a long-term relevance of internal combustion engines for both power generation and transportation. Nonetheless, stringent pollutant reduction requirements combined with new CO2 mandates draws ...
Development of a fast-virtual CFR engine model and its use on autoignition studies

García Martínez, Antonio; Monsalve-Serrano, Javier; Lago-Sari, Rafael; Fogué-Robles, Álvaro; Alemahdi, Nika; Tunér, Martin; López Pintor, Darío (Elsevier, 2021-12-15)

[EN] Homogenous charge compression ignition engines have been studied as an alternative to the conventional diesel combustion to attain high efficiency with ultra-low NOx and soot emissions for a wide variety of fuels. ...
Dual Mode Dual Fuel Combustion: Implementation on a Real Medium Duty Engine Platform

Lago Sari, Rafael (Universitat Politècnica de València, 2021-03-22)

[ES] Históricamente, el sector del transporte de servicio mediano y pesado ha sido desafiado por las regulaciones de emisiones que se han impuesto a lo largo de los años, lo que requirió intensificar el esfuerzo de ...
Energy assessment of an electrically heated catalyst in a hybrid RCCI truck

García Martínez, Antonio; Monsalve-Serrano, Javier; Lago Sari, Rafael; Martínez-Boggio, Santiago Daniel (Elsevier, 2022-01-01)

[EN] Reactivity controlled compression ignition (RCCI) combustion showed great advantages in terms of engine-out NOx and soot emissions reduction. However, HC and CO emissions are larger than with conventional diesel ...
Energy sustainability in the transport sector using synthetic fuels in series hybrid trucks with RCCI dual-fuel engine

García Martínez, Antonio; Monsalve-Serrano, Javier; Lago Sari, Rafael; Martínez-Boggio, Santiago Daniel (Elsevier, 2022-01-15)

[EN] The green-deal carbon neutrality target set for 2050 and CLOVE consortium predictions of NOx reductions confirm the efforts of the European commission to achieve a clean and sustainable transportation. In this sense, ...
Evaluación numérica y experimental de la combustión RCCI: prestaciones en ciclo de conducción, transferencia de calor y post tratamiento

Lago Sari, Rafael (Universitat Politècnica de València, 2019-10-28)

[ES] Las regulaciones sobre emisiones son un factor determinante que obliga a la investigación de nuevas alternativas para cumplir con sus restricciones. Los requisitos recientes para tratar con los contaminantes regulados ...
Experimental investigation on RCCI heat transfer in a light-duty diesel engine with different fuels: Comparison versus conventional diesel combustion

Olmeda, P.; García Martínez, Antonio; Monsalve-Serrano, Javier; Lago-Sari, Rafael (Elsevier, 2018)

[EN] Reactivity controlled compression ignition (RCCI) combustion has demonstrated to be able to avoid the NOx-soot trade-off appearing during conventional diesel combustion (CDC), with similar or better thermal efficiency ...
Experimental investigation on the efficiency of a diesel oxidation catalyst in a medium-duty multi-cylinder RCCI engine

Benajes, Jesús; García Martínez, Antonio; Monsalve-Serrano, Javier; Lago-Sari, Rafael (Elsevier, 2018)

[EN] Reactivity controlled compression ignition (RCCI) combustion is one of the most promising low temperature combustion (LTC) techniques, as it is able to provide ultra-low NOx and soot emissions together with higher ...
Fuel consumption and engine-out emissions estimations of a light-duty engine running in dual-mode RCCI/CDC with different fuels and driving cycles

Benajes, Jesús; García Martínez, Antonio; Monsalve-Serrano, Javier; Lago-Sari, Rafael (Elsevier, 2018)

[EN] This work compares the performance and emissions of two dual-mode combustion concepts over different driving cycles by means of vehicle systems simulations. The dual-mode concept relies on switching between the dual-fuel ...
Fuel sensitivity effects on dual-mode dual-fuel combustion operation for different octane numbers

García Martínez, Antonio; Monsalve-Serrano, Javier; Villalta-Lara, David; Lago-Sari, Rafael (Elsevier, 2019-12-01)

[EN] The dual-mode dual-fuel combustion is a promising combustion concept to achieve the required emissions and carbon dioxide reductions imposed by the next emissions standards. Nonetheless, since the combustion concept ...
Influence of environmental conditions in the battery thermal runaway process of different chemistries: Thermodynamic and optical assessment

García Martínez, Antonio; Monsalve-Serrano, Javier; Lago-Sari, Rafael; Martínez-Boggio, Santiago Daniel (Elsevier, 2022-03)

[EN] Thermal runaway is one of the main concerns of battery electric vehicles due to the hazard level that represents for the user and the surroundings. Several works studied different type of abuse in lithiumion cells and ...
Life cycle CO2 footprint reduction comparison of hybrid and electric buses for bus transit networks

García Martínez, Antonio; Monsalve-Serrano, Javier; Lago-Sari, Rafael; Tripathi, Shashwat (Elsevier, 2022-02-15)

[EN] To control the global warming by ensuring the greenhouse gas emissions reduction of the automotive sector, the standards or norms are getting ever stricter globally, specifically in the past few years. In view of this, ...
Numerical analysis of kinetic mechanisms for battery thermal runaway prediction in lithium-ion batteries

García Martínez, Antonio; Monsalve-Serrano, Javier; Lago-Sari, Rafael; Fogué Robles, Álvaro (SAGE Publications, 2022-10)

[EN] The urgent need for reducing the carbon dioxide emissions has led to the powertrain electrification at different levels such as hybridization or pure electric vehicles. Despite the benefits in terms of local pollution ...
Octane number influence on combustion and performance parameters in a Dual-Mode Dual-Fuel engine

García Martínez, Antonio; Monsalve-Serrano, Javier; Villalta-Lara, David; Lago-Sari, Rafael (Elsevier, 2019-12-15)

[EN] Low temperature combustion stands as a promising alternative to realize low soot and NOx emissions while achieving fuel consumption benefits compared to the conventional diesel combustion. Nonetheless, its applicability ...
OMEx-diesel blends as high reactivity fuel for ultra-low NOx and soot emissions in the dual-mode dual-fuel combustion strategy

García Martínez, Antonio; Gil Megías, Antonio; Monsalve-Serrano, Javier; Lago-Sari, Rafael (Elsevier, 2020-09-01)

[EN] Previous works demonstrated that the use of Oxymethylene ether (OMEx) in advanced combustion modes, as the dual-mode dual-fuel combustion, leads to a notable reduction of the lifecycle CO2 emissions while promoting ...
Pathways to achieve future CO2 emission reduction targets for bus transit networks

García Martínez, Antonio; Monsalve-Serrano, Javier; Lago Sari, Rafael; Tripathi, Shashwat (Elsevier, 2022-04-01)

[EN] Apart from electric vehicles, emissions targets for 2025 and 2030 in the heavy-duty transportation sector could be achieved with hybrid powertrains. Moreover, alternatives such as the use of synthetic or e-fuels may ...
Performance and emissions of a series hybrid vehicle powered by a gasoline partially premixed combustion engine

García Martínez, Antonio; Monsalve-Serrano, Javier; Lago-Sari, Rafael; Dimitrakopoulos, Nikolaos; Turnér, Martin; Tunestål, Per (Elsevier, 2019-03-05)

[EN] This work evaluates the performance and emissions of the series hybrid vehicle concept powered by a gasoline partially premixed internal combustion engine. To do so, experimental data was collected from a Volvo VED-D4 ...