Study on premixed combustion of diesel spray with high pressure fuel injection and a micro-hole nozzle using a rapid compression machine (2nd report, improvement of combustion using low cetane number fuel)

Jinha Lee, Hideyuki Akiyama, Norimasa Iida

Research output: Contribution to journalArticle

Abstract

This study was aimed at reducing Soot and NOx by uniform and lean distribution of fuel in diesel spray using high-pressure fuel injection and a micro-hole nozzle. But this injection system made ignition delay shorter. So that, it couldn't completely make uniform and lean distribution of fuel in diesel spray. Then, in addition to this injection system, using low cetane number of fuel, which can not easily ignited, we made ignition delay longer, and attempted to make complete uniform and lean distribution of fuel in diesel spray. The combustion event was observed by high-speed direct photography, ignition and combustion was analyzed by the combustion chamber pressure history, and KL values and flame temperatures was analyzed by the two-color method from the two dimensional flame image.

Original languageEnglish
Pages (from-to)3502-3508
Number of pages7
JournalNihon Kikai Gakkai Ronbunshu, B Hen/Transactions of the Japan Society of Mechanical Engineers, Part B
Volume65
Issue number638
Publication statusPublished - 1999 Oct

Fingerprint

cetane
fuel injection
Antiknock rating
Fuel injection
nozzles
sprayers
Nozzles
Ignition
ignition
ignition systems
injection
flame temperature
photography
Photography
soot
combustion chambers
Soot
Combustion chambers
flames
high speed

Keywords

  • Cetane number
  • Diesel engine
  • High-pressure fuel injection
  • Ignition delay
  • Micro-hole nozzle
  • Rapid compression machine
  • Two-color method

ASJC Scopus subject areas

  • Mechanical Engineering
  • Condensed Matter Physics

Cite this

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title = "Study on premixed combustion of diesel spray with high pressure fuel injection and a micro-hole nozzle using a rapid compression machine (2nd report, improvement of combustion using low cetane number fuel)",
abstract = "This study was aimed at reducing Soot and NOx by uniform and lean distribution of fuel in diesel spray using high-pressure fuel injection and a micro-hole nozzle. But this injection system made ignition delay shorter. So that, it couldn't completely make uniform and lean distribution of fuel in diesel spray. Then, in addition to this injection system, using low cetane number of fuel, which can not easily ignited, we made ignition delay longer, and attempted to make complete uniform and lean distribution of fuel in diesel spray. The combustion event was observed by high-speed direct photography, ignition and combustion was analyzed by the combustion chamber pressure history, and KL values and flame temperatures was analyzed by the two-color method from the two dimensional flame image.",
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AU - Iida, Norimasa

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AB - This study was aimed at reducing Soot and NOx by uniform and lean distribution of fuel in diesel spray using high-pressure fuel injection and a micro-hole nozzle. But this injection system made ignition delay shorter. So that, it couldn't completely make uniform and lean distribution of fuel in diesel spray. Then, in addition to this injection system, using low cetane number of fuel, which can not easily ignited, we made ignition delay longer, and attempted to make complete uniform and lean distribution of fuel in diesel spray. The combustion event was observed by high-speed direct photography, ignition and combustion was analyzed by the combustion chamber pressure history, and KL values and flame temperatures was analyzed by the two-color method from the two dimensional flame image.

KW - Cetane number

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KW - Ignition delay

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KW - Two-color method

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