Search Results - "Merola, Simona"

Influence of Engine Speed and Injection Phasing on Lean Combustion for Different Dilution Rates in an Optically Accessible Wall-Guided Spark Ignition Engine by Irimescu, Adrian, Merola, Simona Silvia, Martinez, Santiago

“…Alternative combustion control in the form of lean operation offers significant advantages such as high efficiency and “clean” fuel oxidation. Maximum dilution…”
Get full text

In-cylinder spectroscopic measurements of knocking combustion in a SI engine fuelled with butanol–gasoline blend by Merola, Simona Silvia, Valentino, Gerardo, Tornatore, Cinzia, Marchitto, Luca

“…Recent studies have shown that biobutanol can play a significant role in a sustainable, non-petroleum-based, industrial system. About the use in spark-ignition…”
Get full text

Flame Front Propagation in an Optical GDI Engine under Stoichiometric and Lean Burn Conditions by Martinez, Santiago, Irimescu, Adrian, Merola, Simona, Lacava, Pedro, Curto-Riso, Pedro

“…Lean fueling of spark ignited (SI) engines is a valid method for increasing efficiency and reducing nitric oxide (NOx) emissions. Gasoline direct injection…”
Get full text

Compression ratio and blow-by rates estimation based on motored pressure trace analysis for an optical spark ignition engine by Irimescu, Adrian, Tornatore, Cinzia, Marchitto, Luca, Merola, Simona Silvia

“…Using the geometric compression ratio, calculated without considering crevices, usually ensures good accuracy when performing heat release analysis and other…”
Get full text

Effect of Fuel Injection Strategy on the Carbonaceous Structure Formation and Nanoparticle Emission in a DISI Engine Fuelled with Butanol by Merola, Simona, Irimescu, Adrian, Di Iorio, Silvana, Vaglieco, Bianca

“…Within the context of ever wider expansion of direct injection in spark ignition engines, this investigation was aimed at improved understanding of the…”
Get full text

Mild Hybrid Powertrain for Mitigating Loss of Volumetric Efficiency and Improving Fuel Economy of Gasoline Vehicles Converted to Hydrogen Fueling by Bibiloni, Sebastian, Irimescu, Adrian, Martinez-Boggio, Santiago, Merola, Simona, Curto-Risso, Pedro

“…The pursuit of sustainable and environmentally friendly transportation has led to the exploration of alternative fuel sources, among which hydrogen stands out…”
Get full text

Flame Front and Burned Gas Characteristics for Different Split Injection Ratios and Phasing in an Optical GDI Engine by Martinez, Santiago, Merola, Simona, Irimescu, Adrian

“…Direct-injection in spark-ignition engines has long been recognized as a valid option for improving fuel economy, reducing CO2 emissions and avoiding knock…”
Get full text

Knock investigation by flame and radical species detection in spark ignition engine for different fuels by Merola, Simona S., Vaglieco, Bianca M.

“…The present paper aims to evaluate the phenomena of normal combustion and knocking in a single cylinder, ported fuel injection, four-stroke spark-ignition…”
Get full text

Spark Timing Optimization through Co-Simulation Analysis in a Spark Ignition Engine by Arsie, Ivan, Frasci, Emmanuele, Irimescu, Adrian, Merola, Simona Silvia

“…The automotive industry is experiencing radical changes under the pressure of institutions that are increasingly reducing the limits on CO2 and pollutant…”
Get full text

Online Monitoring Solutions of Efficiency for Automotive EGR Heat Exchangers by Maria Vaglieco, Bianca, Silvia Merola, Simona, Irimescu, Adrian, Zollo, Vasco, De Marinis, Raffaele

“…Internal combustion engines are the dominating technology in the automotive transport sector. Within this context, even incremental improvements in efficiency…”
Get full text

Effect of the fuel injection strategy on the combustion process in a PFI boosted spark-ignition engine by Merola, Simona S., Sementa, Paolo, Tornatore, Cinzia, Vaglieco, Bianca M.

“…In this paper, the effect of different fuel injection strategies on the combustion process was investigated in a boosted port fuel injection spark-ignition…”
Get full text

Algorithm for Cycle-To-Cycle Firing TDC Identification Based on Wasted Spark Duration Measurements in Small Engines by Irimescu, Adrian, Merola, Simona Silvia, Vaglieco, Bianca Maria

“…Spark ignition (SI) engines are often used as distributed power generation applications. They ensure quick deployment, cost effective electricity, and are a…”
Get full text

System Design and Stress–Strain Analysis for Cranking and Motoring Small-Size Engines by Cecere, Giovanni, Irimescu, Adrian, Merola, Simona Silvia

“…The characterization of small-size engines requires dedicated rigs that are usually used for loading the power unit. Adding the possibility of motoring the…”
Get full text

Conversion of a Small-Size Passenger Car to Hydrogen Fueling: Evaluating the Risk of Backfire and the Correlation to Fuel System Requirements through 0D/1D Simulation by Irimescu, Adrian, Vaglieco, Bianca Maria, Merola, Simona Silvia, Zollo, Vasco, De Marinis, Raffaele

“…Hydrogen is an effective route for achieving zero carbon dioxide emissions, with a contained cost compared to electric powertrains. When considering the…”
Get full text

Optical investigations of fuel deposition burning in ported fuel injection (PFI) spark-ignition (SI) engine by Merola, Simona S., Vaglieco, Bianca M.

“…The present paper discusses the results obtained by experimental investigations of the diffusion-controlled flame near the valves due to fuel film deposition…”
Get full text

Lean Burn Flame Kernel Characterization for Different Spark Plug Designs and Orientations in an Optical GDI Engine by Cecere, Giovanni, Irimescu, Adrian, Merola, Simona Silvia, Rolando, Luciano, Millo, Federico

“…Lean burn spark ignition (SI) engines represent an effective solution for improving fuel economy and reducing exhaust emissions and can be implemented both in…”
Get full text

Design of an Optically Accessible Intake Manifold for Characterization of Liquid and Gaseous Jets in PFI Operating Conditions by Cecere, Giovanni, Irimescu, Adrian, Merola, Simona Silvia

“…The intake manifold and its components play a key role in the proper formation of air–fuel mixtures suitable for correct engine operation. In this article,…”
Get full text

Conversion of a Small-Size Passenger Car to Hydrogen Fueling: 0D/1D Simulation of EGR and Related Flow Limitations by Irimescu, Adrian, Vaglieco, Bianca Maria, Merola, Simona Silvia, Zollo, Vasco, De Marinis, Raffaele

“…Hydrogen is seen as a prime choice for complete replacement of gasoline so as to achieve zero-emissions energy and mobility. Combining the use of this…”
Get full text

Conversion of a Small-Size Passenger Car to Hydrogen Fueling: Simulation of CCV and Evaluation of Cylinder Imbalance by Irimescu, Adrian, Vaglieco, Bianca Maria, Merola, Simona Silvia, Zollo, Vasco, De Marinis, Raffaele

“…In the efforts to achieve zero-emission transportation, hydrogen offers a valid choice as a complete replacement of gasoline. Adapting spark ignition (SI)…”
Get full text

Assessment of a Second Life City Vehicle Refurbished to Include Hybrid Powertrain Technology by Martinez-Boggio, Santiago, Irimescu, Adrian, Curto-Risso, Pedro, Merola, Simona Silvia

“…Due to increased powertrain efficiency, electrified propulsion has seen significant diffusion in the automotive sector in recent years. Despite the possible…”
Get full text