Measurement on fuel spray characteristics with evaporating (2nd report, analysis of vapor concentration)

Byeongil An, Yasuhiro Daisho

Research output: Contribution to journalArticle

Abstract

In this paper the characteristics of evaporating fuel sprays injected into a high pressure and temperature cylindrical vessel arc investigated by means of an electronically controlled common rail injection system. A laser induced fluorescence method was used to separate vapor and liquid phases of the spray. Two methods were conducted to investigate the qualitative and quantitative applicability of the technique in a high pressure and temperature atmosphere during the fuel injection period. Firstly, we calibrated the relationship between fluorescence intensity and vapor concentration of dopants at different temperatures. Secondly, we calculated the spray evaporation processes using the KIVA-3 code, which is commonly used in engine combustion simulations. Then, the distributions of fuel vapor concentration in diesel sprays were analyzed.

Original languageEnglish
Pages (from-to)3169-3174
Number of pages6
JournalNihon Kikai Gakkai Ronbunshu, B Hen/Transactions of the Japan Society of Mechanical Engineers, Part B
Volume67
Issue number664
Publication statusPublished - 2001 Dec

Fingerprint

spray characteristics
fuel sprays
sprayers
Vapors
vapors
Fluorescence
fuel injection
Fuel injection
rails
laser induced fluorescence
Temperature
vessels
Rails
engines
Evaporation
liquid phases
arcs
Doping (additives)
evaporation
injection

Keywords

  • CFD
  • Common rail Injection
  • Exciplex method
  • Spray
  • Vapor concentration

ASJC Scopus subject areas

  • Mechanical Engineering
  • Condensed Matter Physics

Cite this

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abstract = "In this paper the characteristics of evaporating fuel sprays injected into a high pressure and temperature cylindrical vessel arc investigated by means of an electronically controlled common rail injection system. A laser induced fluorescence method was used to separate vapor and liquid phases of the spray. Two methods were conducted to investigate the qualitative and quantitative applicability of the technique in a high pressure and temperature atmosphere during the fuel injection period. Firstly, we calibrated the relationship between fluorescence intensity and vapor concentration of dopants at different temperatures. Secondly, we calculated the spray evaporation processes using the KIVA-3 code, which is commonly used in engine combustion simulations. Then, the distributions of fuel vapor concentration in diesel sprays were analyzed.",
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AB - In this paper the characteristics of evaporating fuel sprays injected into a high pressure and temperature cylindrical vessel arc investigated by means of an electronically controlled common rail injection system. A laser induced fluorescence method was used to separate vapor and liquid phases of the spray. Two methods were conducted to investigate the qualitative and quantitative applicability of the technique in a high pressure and temperature atmosphere during the fuel injection period. Firstly, we calibrated the relationship between fluorescence intensity and vapor concentration of dopants at different temperatures. Secondly, we calculated the spray evaporation processes using the KIVA-3 code, which is commonly used in engine combustion simulations. Then, the distributions of fuel vapor concentration in diesel sprays were analyzed.

KW - CFD

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KW - Exciplex method

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KW - Vapor concentration

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