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Listar por autor "Olcina Girona, Miguel"

Mostrando ítems 1-10 de 10

Development and validation of a phenomenological model for hydrogen fueled PFI internal combustion engines considering Thermo-Diffusive effects on flame speed propagation

De Bellis, V.; Piras, M.; Bozza, F.; E. Malfi; Novella Rosa, Ricardo; Gómez-Soriano, Josep; Olcina-Girona, Miguel (Elsevier, 2024-05-15)

[EN] This paper proposes a 1D numerical/experimental study on a single -cylinder research ICE equipped with a hydrogen Port Fuel Injection (PFI) system. The experimental campaign covered tests at the fixed speed of 1500 ...
Evaluation of the environmental impact of HCNG light-duty vehicles in the 2020-2050 transition towards the hydrogen economy

Molina, Santiago; Gómez-Soriano, Josep; López-Juárez, Marcos; Olcina-Girona, Miguel (Elsevier, 2024-02-01)

[EN] As the world intensifies its efforts to reduce the adverse effects of global warming, the shift towards a fully developed hydrogen-based economy is emerging as a core strategy. This transition involves the strategic ...
Experimental Activities on a Hydrogen-Fueled Spark-Ignition Engine for Light-Duty Applications

Molina, Santiago; Novella Rosa, Ricardo; Gómez-Soriano, Josep; Olcina-Girona, Miguel (MDPI AG, 2023-11)

[EN] The increase in the overall global temperature and its subsequent impact on extreme weather events are the most critical consequences of human activity. In this scenario, transportation plays a significant role in ...
Hydrogen utilization as a fuel in internal combustion engine

Olcina Girona, Miguel (Universitat Politècnica de València, 2022-10-27)

[ES] Los objetivos principales de este trabajo están alineados con la hoja ruta de reducir las emisiones de gases de efecto invernadero para descarbonizar la economía, siendo esta una de las principales metas para los ...
Impact of hydrogen substitution for stable lean operation on spark ignition engines fueled by compressed natural gas

Molina, Santiago; Ruiz-Rosales, Santiago; Gómez-Soriano, Josep; Olcina-Girona, Miguel (Elsevier, 2023-03)

[EN] Compressed Natural Gas (CNG) appears as a midterm solution to conventional fuels, such as gasoline and diesel. The low carbon content and the possibility of being obtained from renewable sources (animal or agriculture ...
Impact of medium-pressure direct injection in a spark-ignition engine fueled by hydrogen

Molina, Santiago; Novella Rosa, Ricardo; Gómez-Soriano, Josep; Olcina-Girona, Miguel (Elsevier, 2024-03-15)

[EN] In the automotive sector, hydrogen is being increasingly explored as an alternative fuel to replace conventional carbon-based fuels. Its combustion characteristics make it well-suited for adaptation to internal ...
New Combustion Modelling Approach for Methane-Hydrogen Fueled Engines Using Machine Learning and Engine Virtualization

Molina, Santiago; Novella Rosa, Ricardo; Gómez-Soriano, Josep; Olcina-Girona, Miguel (MDPI AG, 2021-11)

[EN] The achievement of a carbon-free emissions economy is one of the main goals to reduce climate change and its negative effects. Scientists and technological improvements have followed this trend, improving efficiency, ...
Obtención de la funcion de transferencia acústica de turbinas radiales mediante un modelo unidimensional

Olcina Girona, Miguel (Universitat Politècnica de València, 2018-11-02)

[ES] Los modelos de valor medio para la simulación de motores son capaces de reproducir fielmente el comportamiento real para una resolución temporal baja con un coste computacional muy reducido. Estos modelos son muy ...
Study of the feasibility of ammonia as fuel in a flat burner

Olcina Girona, Miguel (Universitat Politècnica de València, 2020-11-03)

[ES] Estudio del uso del amoniaco como combustible en un quemador tipo Flat burner haciendo uso del hidrógeno para sostener la llama, se variarán diferentes parámetros como el dosado, la cantidad relativa de hidrógeno en ...
Study on hydrogen substitution in a compressed natural gas spark-ignition passenger car engine

Molina, Santiago; Novella Rosa, Ricardo; Gómez-Soriano, Josep; Olcina-Girona, Miguel (Elsevier, 2023-09-01)

[EN] Hydrogen substitution in applications fueled by compressed natural gas arises as a potential alternative to fossil fuels, and it may be the key to an effective hydrogen economy transition. The reduction of greenhouse ...