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View article: Development and validation of a reduced-order control-oriented model for hydrogen proton-exchange membrane fuel cells
Development and validation of a reduced-order control-oriented model for hydrogen proton-exchange membrane fuel cells Open
View article: An Analysis of the Altitude Impact on Roots Compressor Operation for a Fuel Cell System
An Analysis of the Altitude Impact on Roots Compressor Operation for a Fuel Cell System Open
Hydrogen fuel cell vehicles are one of the most promising alternatives to achieve transport decarbonization targets, thanks to their moderately high efficiency and low refueling time, combined with their zero-exhaust-emission operation. In…
View article: Analysis of Altitude Impact on Roots Compressor Operation for a Fuel Cell System
Analysis of Altitude Impact on Roots Compressor Operation for a Fuel Cell System Open
Hydrogen fuel cell vehicles are one of the most promising alternatives to achieve transport decarbonization targets thanks to their moderately high efficiency and low refueling time combined with zero exhaust emissions operation. In order …
View article: Exploring the potential of copper-based catalysts for use IN CO OXIDATION reactions IN OXY-FUEL combustion engines
Exploring the potential of copper-based catalysts for use IN CO OXIDATION reactions IN OXY-FUEL combustion engines Open
View article: Role of H2 in CO and HC conversion by automotive oxidation catalysts under real-world driving conditions
Role of H2 in CO and HC conversion by automotive oxidation catalysts under real-world driving conditions Open
[EN] As hydrogen (H2) gains attention as a clean alternative to conventional fuels, understanding its effect on engine processes becomes necessary. This is especially challenging in dual-fuel applications combining H2 and carbon- based fue…
View article: Impact of Hydrogen Combustion Exhaust Cditions on No Removal and N2o Formation Over Pt/Pd Oxidation Catalysts
Impact of Hydrogen Combustion Exhaust Cditions on No Removal and N2o Formation Over Pt/Pd Oxidation Catalysts Open
View article: Comparative Life Cycle Assessment of Oxy-Fuel Combustion Utilization Across Various Fuels in the Maritime Sector
Comparative Life Cycle Assessment of Oxy-Fuel Combustion Utilization Across Various Fuels in the Maritime Sector Open
View article: Development and validation of a reduced-order control-oriented model for hydrogen proton-exchange membrane fuel cells
Development and validation of a reduced-order control-oriented model for hydrogen proton-exchange membrane fuel cells Open
View article: Analysis of Particle Number Emissions in a Retrofitted Heavy-Duty Spark Ignition Engine Powered by LPG
Analysis of Particle Number Emissions in a Retrofitted Heavy-Duty Spark Ignition Engine Powered by LPG Open
This study aims to examine the particle number (PN) emissions of a retrofitted heavy-duty spark ignition (HD-SI) engine powered by liquefied petroleum gas (LPG) under both steady-state and transient conditions. The engine was tested under …
View article: Analysis of Altitude and Ambient Temperature Effects on the Reactivity of Oxidation Catalysts in the Presence of H2
Analysis of Altitude and Ambient Temperature Effects on the Reactivity of Oxidation Catalysts in the Presence of H2 Open
Worldwide emission standards are now required to cover engine operation under extreme ambient conditions, which affect the raw emissions and the efficiency of the exhaust aftertreatment systems. These regulations also target new combustion…
View article: Analysis of Altitude and Ambient Temperature Effects on the Reactivity of Oxidation Catalysts in the Presence of H2
Analysis of Altitude and Ambient Temperature Effects on the Reactivity of Oxidation Catalysts in the Presence of H2 Open
Worldwide emission standards are now required to cover engine operation under extreme ambient conditions, which affect the raw emissions and the efficiency of the exhaust aftertreatment systems. These regulations also target new combustion…
View article: Analysis of Particle Number Emissions in a Retrofitted Heavy Duty-Spark Ignition Engine Powered by LPG
Analysis of Particle Number Emissions in a Retrofitted Heavy Duty-Spark Ignition Engine Powered by LPG Open
This study aims to examine the non-volatile Particle Number (PN) emissions of a retrofitted Heavy-Duty Spark-Ignition (HD-SI) engine powered by liquefied petroleum gas (LPG) under both steady-state and transient conditions. The engine was …
View article: Potential of Proton-Exchange Membrane Fuel-Cell System with On-Board O2-Enriched Air Generation
Potential of Proton-Exchange Membrane Fuel-Cell System with On-Board O2-Enriched Air Generation Open
Hydrogen fuel-cell systems are one of the alternatives for the decarbonization of the transportation sector. In such systems, the usage of O2-enriched air has the potential to improve fuel cell performance as well as to reduce degradation …
View article: Impact of Cylinder-to-Cylinder Dispersion of Exhaust Gas Recirculation on the Three-Way Catalyst Performance and Tailpipe Emissions of Spark-Ignition Engines
Impact of Cylinder-to-Cylinder Dispersion of Exhaust Gas Recirculation on the Three-Way Catalyst Performance and Tailpipe Emissions of Spark-Ignition Engines Open
New generations of spark-ignition engines include exhaust gas recirculation (EGR) to improve the engine efficiency. Depending on the design of the EGR routing, some differences in the total amount of recirculated gases that reach each cyli…
View article: Design of a carbon capture system for oxy-fuel combustion in compression ignition engines with exhaust water recirculation
Design of a carbon capture system for oxy-fuel combustion in compression ignition engines with exhaust water recirculation Open
[EN] The oxy-fuel combustion engine concept with onboard oxygen generation and carbon capture (CC) is studied using as a starting point a baseline oxy-fuel combustion layout coupled to a mixed ionic-electronic conducting membranes for prod…
View article: Model-based simultaneous diagnosis of ammonia injection failure and catalyst ageing in <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" altimg="si5.svg" display="inline" id="d1e1075"><mml:msub><mml:mrow><mml:mi mathvariant="normal">deNO</mml:mi></mml:mrow><mml:mrow><mml:mi mathvariant="normal">x</mml:mi></mml:mrow></mml:msub></mml:math> engine after-treatment systems
Model-based simultaneous diagnosis of ammonia injection failure and catalyst ageing in engine after-treatment systems Open
View article: Special Issue on Emission Control and Characterization in Hybrid Vehicles
Special Issue on Emission Control and Characterization in Hybrid Vehicles Open
Electrified powertrains have appeared in recent years as part of the solution to achieve the aggressive targets established for a reduction in greenhouse gas emissions, particularly CO2 [...]
View article: Effect of natural and forced charge air humidity on the performance and emissions of a compression-ignition engine operating at high warm altitude
Effect of natural and forced charge air humidity on the performance and emissions of a compression-ignition engine operating at high warm altitude Open
View article: On the Applicability of Cold Acoustic Measurements to High-Amplitude Hot Pulsating Flows
On the Applicability of Cold Acoustic Measurements to High-Amplitude Hot Pulsating Flows Open
View article: Energy recovery potential by replacing the exhaust gases recirculation valve with an additional turbocharger in a heavy-duty engine
Energy recovery potential by replacing the exhaust gases recirculation valve with an additional turbocharger in a heavy-duty engine Open
View article: Fuel efficiency optimisation based on boosting control of the particulate filter active regeneration at high driving altitude
Fuel efficiency optimisation based on boosting control of the particulate filter active regeneration at high driving altitude Open
View article: Experimental Characterization of Real Driving Cycles in a Light-Duty Diesel Engine under Different Dynamic Conditions
Experimental Characterization of Real Driving Cycles in a Light-Duty Diesel Engine under Different Dynamic Conditions Open
This paper studies the behavior of a Euro 6 diesel engine tested under dynamic conditions corresponding to different real driving emissions (RDE) scenarios. RDE cycles have been performed in an engine test bench by simulating its operation…
View article: Ammonia Slip Estimation Based on ASC Control-Oriented Modelling And OBD NOx Sensor Cross-Sensitivity Analysis
Ammonia Slip Estimation Based on ASC Control-Oriented Modelling And OBD NOx Sensor Cross-Sensitivity Analysis Open
The incoming emission regulations for internal combustion engines are gradually introducing new pollutant species, which requires greater complexity of the exhaust gas aftertreatment systems concerning layout, control and diagnostics. This…
View article: Fuel consumption and aftertreatment thermal management synergy in compression ignition engines at variable altitude and ambient temperature
Fuel consumption and aftertreatment thermal management synergy in compression ignition engines at variable altitude and ambient temperature Open
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 between regulated and…
View article: Experiencia sobre el empleo del estudio de caso y herramientas de simulación para mejorar la comprensión del ciclo termodinámico de motores a reacción
Experiencia sobre el empleo del estudio de caso y herramientas de simulación para mejorar la comprensión del ciclo termodinámico de motores a reacción Open
En este trabajo se describe una metodología enfocada a mejorar la comprensión del ciclo termodinámico de motores a reacción mediante la combinación de un estudio del caso y un entorno de simulación. La metodología se desarrolla para estudi…
View article: Case study‐based learning using a computational tool to improve the understanding of the jet engine cycle for aerospace engineering degree students
Case study‐based learning using a computational tool to improve the understanding of the jet engine cycle for aerospace engineering degree students Open
In the current paper, a methodology combining a case study with a computational tool for aerospace engineering students is presented and discussed. The aim of this methodology is to improve the understanding of jet engine's operation throu…
View article: Sensitivity of pollutants abatement in oxidation catalysts to the use of alternative fuels
Sensitivity of pollutants abatement in oxidation catalysts to the use of alternative fuels Open
View article: Simultaneous NOx and NH3 slip prediction in a SCR catalyst under real driving conditions including potential urea injection failures
Simultaneous NOx and NH3 slip prediction in a SCR catalyst under real driving conditions including potential urea injection failures Open
To reach the emission limits imposed by governments and reduce the negative impact on the environment, the use of aftertreatment systems has become essential for internal combustion engine (ICE) based powertrains. In particular, the select…
View article: Influence of the cell geometry on the conversion efficiency of oxidation catalysts under real driving conditions
Influence of the cell geometry on the conversion efficiency of oxidation catalysts under real driving conditions Open
View article: Analysis of the Driving Altitude and Ambient Temperature Impact on the Conversion Efficiency of Oxidation Catalysts
Analysis of the Driving Altitude and Ambient Temperature Impact on the Conversion Efficiency of Oxidation Catalysts Open
Worldwide emission standards are extending their requirements to cover engine operation under extreme ambient conditions and fill the gap between the type-approval and real driving conditions. The new ambient boundaries affect the engine p…