[EN] To comply with the very strict emissions regulation the automotive industry is succeeding in developing ever more efficient engines, and there is scope for more improvements. In this regard, some investigations have ...
Margot , Xandra; Escalona-Cornejo, Johan Enrique; Bianco, Andrea(SAE International, 2021-04-15)
[EN] In recent years, the automotive industry has been increasingly committed to developing new solutions for better and more efficient engines. One of them is the use of new insulating materials (thermal conductivity < ...
Margot, Xandra; Quintero-Igeño, Pedro-Manuel; Gómez-Soriano, Josep; Escalona-Cornejo, Johan Enrique(Elsevier, 2021-07-25)
[EN] The need to improve the thermal efficiency of gasoline engines used in hybrid vehicles, has led to explore new solutions for reducing engine heat losses. Hence, it is important for the car manufacturers to be able to ...
Escalona Cornejo, Johan Enrique(Universitat Politècnica de València, 2021-04-13)
[ES] Actualmente, los vehículos propulsados por motores de combustión interna alternativos (MCIA) constituyen uno de los mayores agentes contaminantes para el medio ambiente. En este sentido, ha existido una importante ...
Broatch, A.; Olmeda, P.; Margot, Xandra; Escalona-Cornejo, Johan Enrique(Elsevier, 2019)
[EN] The stringent environmental constraints have led the industry to look for new technologies that improve the design of internal combustion engines (ICE), mainly focused on achieving higher thermal efficiency and reducing ...
Escalona Cornejo, Johan Enrique(Universitat Politècnica de València, 2019-01-16)
En este trabajo se presenta el estudio de la transferencia de calor a través de las paredes de la cámara de combustión de un MCIA, utilizando para ello cálculos conjugados de transferencia de calor (CHT) mediante la ...
[EN] The 3D Conjugate Heat transfer (CHT) calculation of the heat transfer from the gas to the walls of a combustion chamber requires very fine meshing, particularly so when the walls are coated with a very thin insulation ...
Olmeda, P.; Margot, Xandra; Quintero-Igeño, Pedro-Manuel; Escalona-Cornejo, Johan Enrique(Elsevier, 2021-06)
[EN] In the recent paper "Surface temperature of a multi-layer thermal barrier coated wall subject to an unsteady heat flux" by G. Koutsakis, G. F. Nellis, J. B. Ghandhi, Int. J. Heat Mass Transfer 155(2020), 119645 the ...
[EN] New technologies are required to improve engine thermal efficiency.
For this it is necessary to use all the tools available nowadays, in
particular computational tools, which allow testing the viability of
different ...