2016
DOI: 10.1016/j.enconman.2016.07.077
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Experimental study of the injection conditions influence over n-dodecane and diesel sprays with two ECN single-hole nozzles. Part I: Inert atmosphere

Abstract: a b s t r a c tIn this research, two Engine Combustion Network (ECN) mono-orifice nozzles, referred to as Spray C and Spray D respectively, were analyzed by performing visualization tests through Schlieren and Diffused Backlight Illumination (DBI) techniques under a wide range of ambient conditions in a non-reactive atmosphere. Spray C presents a straight nozzle designed with a sharp fillet in opposition to Spray D that has similar hydraulic properties, but with a convergent nozzle construction and a smoother … Show more

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Cited by 59 publications
(65 citation statements)
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References 30 publications
(54 reference statements)
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“…Furthermore, the chamber is able to reproduce the in-cylinder thermo-dynamic conditions present in a Diesel engine, up to a maximum pressure of 15 MPa and a maximum ambient temperature of 1000 K. Although there are several test rigs over the world capable of performing analogously [8], [16], nearly quiescent and steady thermodynamic conditions can be obtained within this particular chamber. A detailed description of the vessel can be found in [7], [9], [17]. In this test rig it is possible to study the spray development either in a standard air atmosphere or with O2/N2 mixtures with different proportions, enabling to simulate exhaust gas recirculation conditions by decreasing the oxygen concentration of the charge.…”
Section: Experimental Vesselmentioning
confidence: 99%
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“…Furthermore, the chamber is able to reproduce the in-cylinder thermo-dynamic conditions present in a Diesel engine, up to a maximum pressure of 15 MPa and a maximum ambient temperature of 1000 K. Although there are several test rigs over the world capable of performing analogously [8], [16], nearly quiescent and steady thermodynamic conditions can be obtained within this particular chamber. A detailed description of the vessel can be found in [7], [9], [17]. In this test rig it is possible to study the spray development either in a standard air atmosphere or with O2/N2 mixtures with different proportions, enabling to simulate exhaust gas recirculation conditions by decreasing the oxygen concentration of the charge.…”
Section: Experimental Vesselmentioning
confidence: 99%
“…Several 'free-jet' experiments have been carried out previously in the test rig [7]- [9], [19]. However, for this type of tests involving a wall obstructing the free path of the jet, it was necessary to design a system to reliably support the wall at determined angles and distances from the injector tip achieved with high accuracy.…”
Section: Wall Supporting Systemmentioning
confidence: 99%
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