In the last decade, different advanced combustion concepts based on generating totally or partially
premixed conditions have been investigated in CI (compression ignition) engines with the aim of
achieving lower NOx ...
Mónico Muñoz, Luisa Fernanda(Universitat Politècnica de València, 2011-07-26)
Evaluación de las repercusiones acústicas del concepto de combustión PCCI desarrollado para reducir emisiones; y del uso de biocombustibles como un sustituto de combustibles derivados del petroleo. Los resultados muestran ...
[EN] Over recent decades, direct injection diesel engines have become the propulsion systems most commonly used in automotive vehicles in Europe. Their leading position in the European market is due to improvements in ...
[EN] Research efforts in the automotive sector focus on developing new combustion concepts for mitigating the emissions of nitrous oxides and soot of conventional Diesel combustion. One of the most promising concept is the ...
[EN] In this paper, a numerical Computational Fluid Dynamics (CFD) study is carried out with the purpose of understanding how the injector design may impact on the in-cylinder processes, which cause noise emission. This ...
[EN] Combustion noise in gas turbine engines has recently become a relevant source of noise in the aircraft due to the appearance of new burner architectures that are intrinsically more unstable, and the optimization of ...
Torregrosa, A. J.; Broatch, A.; Gil, A.; Gómez-Soriano, Josep(Elsevier, 2018-06)
[EN] Diesel combustion noise has become a crucial aspect for the engine manufacturers due to its impact on human health and influence on the customer purchasing decision. The interaction of the pressure waves after mixture ...
[EN] It is challenging to develop highly efficient and clean engines while meeting user expectations in terms of performance, comfort and drivability. One of the critical aspects in this regard is combustion noise control. ...
[EN] As the focus of research and development is put into innovative combustion concepts with the goal of reducing harmful chemical pollutants while keeping or even improving the efficiency of conventional Diesel combustion, ...
[EN] This paper evaluates the potential advantages of introducing a new injector concept with a dual set of orifices in a 2-stroke engine operating with gasoline partially premixed combustion (PPC gasoline), specially in ...
Torregrosa, A. J.; Broatch Jacobi, Jaime Alberto; García Martínez, Antonio; Mónico Muñoz, Luisa Fernanda(Elsevier, 2013-04)
Diesel engines are the most commonly used internal combustion engines nowadays, especially in European transportation. This
preference is due to their low consumption and acceptable driveability and comfort. However, the ...
[EN] During the last years, the preservation of the atmospheric environment has played an increasingly important role in society. The Diesel engine can be considered an environmentally friendly engine because of its low ...
[EN] In this article, a numerical methodology for assessing combustion noise in compression ignition engines is described with the specific purpose of analysing the unsteady pressure field inside the combustion chamber. ...