Research on the internal flow and macroscopic characteristics of a diesel fuel injection process.

The internal flow and macroscopic spray behaviors of a fuel injection process were studied with schlieren spray techniques and simulations. The injection pressures(Pin)and ambient pressures(Pout)were applied in a wide range. The results showed that increasing the Pin is likely to decrease the flow p...

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Autor principal:	Hua Xia
Formato:	article
Lenguaje:	EN
Publicado:	Public Library of Science (PLoS) 2021
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/f3528214e4f845b3944c73cd507cd724
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spelling	oai:doaj.org-article:f3528214e4f845b3944c73cd507cd7242021-12-02T20:07:59ZResearch on the internal flow and macroscopic characteristics of a diesel fuel injection process.1932-620310.1371/journal.pone.0255874https://doaj.org/article/f3528214e4f845b3944c73cd507cd7242021-01-01T00:00:00Zhttps://doi.org/10.1371/journal.pone.0255874https://doaj.org/toc/1932-6203The internal flow and macroscopic spray behaviors of a fuel injection process were studied with schlieren spray techniques and simulations. The injection pressures(Pin)and ambient pressures(Pout)were applied in a wide range. The results showed that increasing the Pin is likely to decrease the flow performance of the nozzle. Furthermore, increasing the Pin can increase the spray tip penetration. However, the effect of Pin on the spray cone angle was not evident. The spray cone angle at an injection pressure of 160MPa was 21.7% greater than at a pressure of 100MPa during the initial spraying stage. Additionally, the discharge coefficient increased under high Pout, and the decrease in Pout can promote the formation of cavitation. Finally, increasing the Pout can decrease the penetration, while the spray angle becomes wider, especially at the initial spray stage, and high Pout will enhance the interaction of the spray and the air, which can enhance the spray quality.Hua XiaPublic Library of Science (PLoS)articleMedicineRScienceQENPLoS ONE, Vol 16, Iss 9, p e0255874 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q Hua Xia Research on the internal flow and macroscopic characteristics of a diesel fuel injection process.
description	The internal flow and macroscopic spray behaviors of a fuel injection process were studied with schlieren spray techniques and simulations. The injection pressures(Pin)and ambient pressures(Pout)were applied in a wide range. The results showed that increasing the Pin is likely to decrease the flow performance of the nozzle. Furthermore, increasing the Pin can increase the spray tip penetration. However, the effect of Pin on the spray cone angle was not evident. The spray cone angle at an injection pressure of 160MPa was 21.7% greater than at a pressure of 100MPa during the initial spraying stage. Additionally, the discharge coefficient increased under high Pout, and the decrease in Pout can promote the formation of cavitation. Finally, increasing the Pout can decrease the penetration, while the spray angle becomes wider, especially at the initial spray stage, and high Pout will enhance the interaction of the spray and the air, which can enhance the spray quality.
format	article
author	Hua Xia
author_facet	Hua Xia
author_sort	Hua Xia
title	Research on the internal flow and macroscopic characteristics of a diesel fuel injection process.
title_short	Research on the internal flow and macroscopic characteristics of a diesel fuel injection process.
title_full	Research on the internal flow and macroscopic characteristics of a diesel fuel injection process.
title_fullStr	Research on the internal flow and macroscopic characteristics of a diesel fuel injection process.
title_full_unstemmed	Research on the internal flow and macroscopic characteristics of a diesel fuel injection process.
title_sort	research on the internal flow and macroscopic characteristics of a diesel fuel injection process.
publisher	Public Library of Science (PLoS)
publishDate	2021
url	https://doaj.org/article/f3528214e4f845b3944c73cd507cd724
work_keys_str_mv	AT huaxia researchontheinternalflowandmacroscopiccharacteristicsofadieselfuelinjectionprocess
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Research on the internal flow and macroscopic characteristics of a diesel fuel injection process.

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