DOI: 10.4995/thesis/10251/94626
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Optical investigations on Diesel spray dynamics and in-flame soot formation

Abstract: En lasúltimas décadas ha avanzado mucho la comprensión científica sobre el proceso de combustión de los chorros diesel de inyección directa gracias al desarrollo de todo tipo de técnicas e instalacionesópticas. Además, se han desarrollado y mejorado una gran cantidad de modelos de Dinámica de Fluidos Computacional (CFD), los cuales se usan para el desarrollo de motores altamente eficientes y con bajas emisiones. Sin embargo, debido a la complejidad de los procesos físicos y químicos involucrados en este proces… Show more

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Cited by 2 publications
(2 citation statements)
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(18 reference statements)
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“…The fuel spray contour is determined by processing the images taken during the tests. Once the fuel spray contour is detected, the fuel spray area, penetration and cone angle are determined [ 26 , 27 , 28 , 29 ]. With these data, it is possible to estimate the fuel spray volume, the fuel spray surface with the surrounding air, and the injection and ignition delay.…”
Section: Methodsmentioning
confidence: 99%
“…The fuel spray contour is determined by processing the images taken during the tests. Once the fuel spray contour is detected, the fuel spray area, penetration and cone angle are determined [ 26 , 27 , 28 , 29 ]. With these data, it is possible to estimate the fuel spray volume, the fuel spray surface with the surrounding air, and the injection and ignition delay.…”
Section: Methodsmentioning
confidence: 99%
“…This kind of study allows investigators to compare the performance of different techniques for measuring soot. From such studies, it can be concluded that despite certain uncertainties under high soot conditions, the two-color pyrometry technique offers the advantages of high time and spatial resolution, as well as the possibility of developing maps of soot concentration and flame temperature, unlike other methods [43][44][45][46]. Moreover, of the techniques mentioned above, only two-color pyrometry can be applied using only one optical access.…”
Section: Introductionmentioning
confidence: 99%