Experimental investigations on high octane number gasoline formulations for internal combustion engines

T Cerri, G D'Errico, A Onorati - Fuel, 2013 - Elsevier
The attempt to achieve higher and higher levels of specific power output and efficiency has
increased the complexity of the design process of both the engine and its management …

Development of a non-reflecting boundary condition for multidimensional nonlinear duct acoustic computation

F Piscaglia, A Montorfano, A Onorati - Journal of Sound and Vibration, 2013 - Elsevier
The quality of any time-domain nonlinear CFD simulation of silencers is determined by the
modeling procedure used for the anechoic termination at the boundary end of the …

Modeling wave action effects in internal combustion engine air path systems: comparison of numerical and system dynamics approaches

S Stockar, M Canova, Y Guezennec… - … Journal of Engine …, 2013 - journals.sagepub.com
The challenge of continuously improving engine fuel economy and emissions has pushed
the automotive industry to adopt more efficient procedures for modeling, system simulation …

A Nonlinear Quasi‐3D Approach for the Modeling of Mufflers with Perforated Elements and Sound‐Absorbing Material

G Montenegro, A Della Torre, A Onorati… - … in Acoustics and …, 2013 - Wiley Online Library
Increasing demands on the capabilities of engine thermo‐fluid dynamic simulation and the
ability to accurately predict both performance and acoustics have led to the development of …

On the Applicability of Cold Acoustic Measurements to High-Amplitude Hot Pulsating Flows

AJ Torregrosa, P Piqueras, EJ Sanchis, Á Redondo - Acoustics Australia, 2023 - Springer
The experimental characterization of the acoustic characteristics of engine exhaust devices
is usually carried out through measurements in cold conditions, due to the intrinsic …

Estimation of engine gas temperatures during pressure transients

M Wallson - 2018 - diva-portal.org
Coming stringent regulatory emissions requirements with Real Driving Emissions testing
amplifies the need for efficient engine control at all driving scenarios. This thesis has …

[PDF][PDF] Modelling and testing of advanced intake and exhaust system components for race car engines

BA Mohamad - 2021 - 193.6.1.94
PhD candidate Barhm Mohamad Abdullah was under my supervison for the past 3 years.
From September 2016 till August 2020 he was a full-time PhD student in the framework of …

A lumped-parameter modeling methodology for one-dimensional hyperbolic partial differential equations describing nonlinear wave propagation in fluids

S Stockar, M Canova… - Journal of …, 2015 - asmedigitalcollection.asme.org
Modeling the transient response of compressible fluid systems using dynamic systems
theory is relevant to various engineering fields, such as gas pipelines, compressors, or …

Phenomenological methodology for assessing the influence of flow conditions on the acoustic response of exhaust aftertreatment systems

AJ Torregrosa, FJ Arnau, P Piqueras… - Journal of Sound and …, 2017 - Elsevier
The increasing limits of standards on aerosol and gaseous emissions from internal
combustion engines have led to the progressive inclusion of different exhaust aftertreatment …

Acoustic Characterization of Automotive Mufflers-Part II: Validation of the Numerical Models by Means of Experimental Data

G Ferrara, G Vichi, G Lenzi, D Biliotti - 2012 - sae.org
Increasing interest is being paid to noise pollution of internal combustion engines and as a
result, recent international standards imposed more severe limitations to acoustic emissions …