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Listar por Entidad UPV "Universitat Politècnica de València. Instituto Universitario CMT-Motores Térmicos - Institut Universitari CMT-Motors Tèrmics"

Mostrando ítems 21-40 de 219

An experimental investigation on the influence of piston bowl geometry on RCCI performance and emissions in a heavy-duty engine

Benajes Calvo, Jesus Vicente; Pastor Soriano, José Vicente; García Martínez, Antonio; Monsalve Serrano, Javier (Elsevier, 2015-10)

This experimental work investigates the effects of piston bowl geometry on RCCI performance and emissions at low, medium and high engine loads. For this purpose three different piston bowl geometries with compression ratio ...
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 ...
An Experimental Study on Diesel Spray Injection into a Non-Quiescent Chamber

Pastor, José V.; García-Oliver, José M; García Martínez, Antonio; Zhong, Wenjun; Micó Reche, Carlos; Xuan, Tiemin (SAE International, 2017)

[EN] Visualization of single-hole nozzles into quiescent ambient has been used extensively in the literature to characterize spray mixing and combustion. However in-cylinder flow may have some meaningful impact on the spray ...
An investigation on RCCI combustion in a heavy duty diesel engine using in-cylinder blending of diesel and gasoline fuels

Benajes Calvo, Jesus Vicente; Molina Alcaide, Santiago Alberto; García Martínez, Antonio; Belarte Mañes, Eduardo; Vanvolsem, Michel (Elsevier, 2014-02-05)

An experimental and numerical study has been carried out to understand mixing and auto-ignition processes in RCCI combustion conditions, using gasoline and diesel as low and high reactivity fuels, respectively. Three ...
Analysis and Methodology to Characterize Heat Transfer Phenomena in Automotive Turbochargers

Serrano Cruz, José Ramón; Olmeda González, Pablo Cesar; Arnau Martínez, Francisco José; Dombrovsky, A.; Smith, L. (American Society of Mechanical Engineers (ASME), 2015-02)

In the present work a comprehensive study of turbocharger heat transfer phenomena is discussed, showing their relevance compared to gas enthalpy variations through the turbomachinery. The study provides an experimental ...
Analysis of acoustic networks including cavities by means of a linear finite volume method

Torregrosa, A. J.; Broatch, A.; Gil, A.; Moreno Martínez, David (Elsevier, 2012-09-24)

[EN] A procedure allowing for the analysis of complex acoustic networks, including three-dimensional cavities described in terms of zero-dimensional equivalent elements, is presented and validated. The procedure is based ...
Analysis of combustion concepts in a newly designed two-stroke high-speed direct injection compression ignition engine

Benajes Calvo, Jesus Vicente; Novella Rosa, Ricardo; De Lima Moradell, Daniela Andreina; Tribotté, Pascal (SAGE Publications, 2015-01)

[EN] Two research paths are being followed to develop compression ignition engines, the extreme optimization of the conventional diesel combustion concept and the development of alternative combustion concepts. The ...
Analysis of diesel spray atomization by means of a near-nozzle field visualization technique

Payri Marín, Raúl; Salvador Rubio, Francisco Javier; Gimeno García, Jaime; De La Morena Borja, Joaquín (Begell House, 2011)

[EN] In this paper, a high-resolution visualization technique has been used in order to characterize Diesel spray structure in the near-nozzle field. For this purpose, three conical nozzles with different diameters have ...
Analysis of local extinction of a n-heptane spray flame using large-eddy simulation with tabulated chemistry

Benajes, Jesús; García-Oliver, José M; Pastor Enguídanos, José Manuel; Olmeda-Ramiro, Iván; Both, A.; Mira, D. (Elsevier, 2022-01)

[EN] This work is focused on the study of flame stabilization and local extinction of a spray flame in an atmospheric non-swirled test rig referred to as the CORIA Rouen Spray Burner. This burner shows a double reaction ...
Analysis of Passenger Car Turbocharged Diesel Engines Performance When Tested at Altitude and of the Altitude Simulator Device Used

Broatch, A.; Bermúdez, Vicente; Serrano, J.R.; Tabet, Roberto; Gómez, Javier; Bender, Stefan (ASME International, 2019-08)

[EN] According to current worldwide trends for homologation vehicles in real driving conditions is forced to test the engines in altitude and in highly dynamic driving cycles in order to approach nowadays and next future ...
Analysis of shock capturing methods for chemical species transport in unsteady compressible flow

Serrano Cruz, José Ramón; Climent, H.; Piqueras, P.; García Afonso, Óscar (Elsevier, 2013-04)

This paper presents a chemical species transport model to account for variable composition and gas properties along the flow path in internal combustion engines. The numerical solution to adapt the gas dynamic model to ...
Analysis of the combined effect of hydrogrinding process and inclination angle on hydraulic performance of diesel injection nozzles

Salvador Rubio, Francisco Javier; Carreres Talens, Marcos; Jaramillo Císcar, David; Martínez López, Jorge (Elsevier, 2015-11-15)

A computational study to investigate the influence of the orifices inclination and the rounding radius at the orifice inlet (consequence of the hydro-erosive grinding process applied after the orifices machining) over the ...
Analysis of the influence of pre-DPF water injection technique on pollutants emission

Bermúdez, Vicente; Serrano Cruz, José Ramón; Piqueras, P.; Campos, Daniel (Elsevier, 2015-09)

The pressure drop across DPFs directly affects the exhaust back-pressure and fuel economy of compression ignition engines. Pressure drop is related to the soot trapped inside the DPF, increasing exhaust back-pressure as ...
Analysis of the integration of Sustainable Development Goals in the Industrial Engineering Degree

Bracho, Gabriela; Pedrosa, Ana M.; Klyatskina, Elizaveta; Maheut, Julien; Bernal-Perez, Soledad; Giner-Navarro, Juan (Universitat Politècnica de València, 2023-04-04)

[EN] Universities play a key role in transforming society, which necessarily leads them to promote the Sustainable Development Goals (SDG) laid down in the UN s 2030 Agenda. The Escuela Técnica Superior de Ingeniería ...
Analysis of the role of altitude on diesel engine performance and emissions using an atmosphere simulator

Bermúdez, Vicente; Serrano, J.R.; Piqueras, P.; Gómez-Gil, Javier; Bender, Stefan (SAGE Publications, 2017)

[EN] Forthcoming directives from European Commission will force homologation in altitude to approach standards to actual driving conditions in order to reduce the gap between regulated and real-life emissions. This work ...
Anàlisi i adequació de l'edifici d'educació ambiental del Parc Natural de la Font Roja a la nova legislació d'eficiència i cIassificació energètica

Samper Sánchez, Carlos (Universitat Politècnica de València, 2012-12-03)

L'objectiu es analitzar les característiques de l'edifici Font Roja Natura, conèixer el seu ús, les condicions ambientals amb les que es treballa, discernir els consums energètics i els equips de climatització amb els que ...
Análisis del funcionamiento del motor y de la eficiencia de conducción mediante el uso de sistemas GPS y OBD

Guardiola García, Carlos; Dolz Ruiz, Vicente; Plá Moreno, Benjamín; Reig Bernad, Alberto (Universitat Politècnica de València, 2016-01-27)

[EN] The widespread use of smartphones and the availability of On Board Diagnosis (OBD) tools is profited to improve the way automotive engines operate in real conditions are learnt by engineering students. Particularly, ...
Análisis del potencial de la ubicación del filtro de partículas aguas arriba de la turbina en motores diesel de gran cilindrada

Torregrosa Gómez, Ángel Ramón (Universitat Politècnica de València, 2012-12-10)

El objetivo de este proyecto es el desarrollo de la ubicación de un submodelo de filtro de partículas en el colector de escape para conseguir mejoras en las prestaciones de un motor Diesel de gran cilindrada de la marca ...
Aplicación del método "Role-Playing" en prácticas de mantenimiento de aeronaves y su efecto en la motivación del alumno

García-Cuevas González, Luis Miguel; Carreres Talens, Marcos; Tiseira Izaguirre, Andrés Omar; Navarro García, Roberto (Editorial Universitat Politècnica de València, 2016-07-19)

[EN] The “Role-Playing” method has proved to be highly effective in the learning process, facilitating the understanding of theoretical contents and stimulating and motivating the students. In order to improve the student ...
Application of optical diagnostics to the quantification of soot in n-alkane flames under diesel conditions

Pastor Soriano, José Vicente; García Oliver, José María; García Martínez, Antonio; Micó Reche, Carlos; Möller, Sebastian (Elsevier, 2016-02)

The present work pursues a twofold objective. On the one hand, the effect of fuel properties on soot formation has been analysed, under different engine operating conditions. On the other hand, sensitivity and performance ...