In situ Measurement of Fuel Concentration of Hydrocarbon near Spark Plug in an Engine Cylinder by 3.392 μm Infrared Laser Absorption Method (Application to Actual Engine)

Eiji Tomita; Nobuyuki Kawahara; Atsushi Nishiyama; Masahiro Shigenaga

doi:10.1299/kikaib.70.518

In situ Measurement of Fuel Concentration of Hydrocarbon near Spark Plug in an Engine Cylinder by 3.392 μm Infrared Laser Absorption Method (Application to Actual Engine)

Eiji Tomita, Nobuyuki Kawahara, Atsushi Nishiyama, Masahiro Shigenaga

Research output: Contribution to journal › Article › peer-review

2 Citations (Scopus)

Abstract

An infrared absorption method was used to determine the fuel concentration with a 3.392 μm He-Ne laser. The effects of pressure and temperature on the molar absorption coefficients of hydrocarbon fuels were clarified, so that it increased with increasing temperature and decreased with increasing pressure. Molar absorption coefficient of multi-component fuel like gasoline can be estimated using molar absorption coefficient of each component and considering mass balance. By exchanging an ordinary spark-plug for & spark-plug with a developed sensor in which light can pass through mixture in the combustion chamber, successive measurement of fuel concentration was performed in a spark-ignition engine. The effects of liquid droplets, mechanical vibration, and other gas like H₂O on measurement accuracy were discussed.

Original language	English
Pages (from-to)	518-524
Number of pages	7
Journal	Nippon Kikai Gakkai Ronbunshu, B Hen/Transactions of the Japan Society of Mechanical Engineers, Part B
Volume	70
Issue number	690
DOIs	https://doi.org/10.1299/kikaib.70.518
Publication status	Published - Feb 2004
Externally published	Yes

Keywords

Air Fuel Ratio
Fiber-Optic Sensor
Infrared Absorption Method
Internal Combustion Engine
Laser Diagnostics
Liquid Fuel
Molar Absorption Coefficient

ASJC Scopus subject areas

Condensed Matter Physics
Mechanical Engineering

Access to Document

10.1299/kikaib.70.518

Cite this

Tomita, E., Kawahara, N., Nishiyama, A., & Shigenaga, M. (2004). In situ Measurement of Fuel Concentration of Hydrocarbon near Spark Plug in an Engine Cylinder by 3.392 μm Infrared Laser Absorption Method (Application to Actual Engine). Nippon Kikai Gakkai Ronbunshu, B Hen/Transactions of the Japan Society of Mechanical Engineers, Part B, 70(690), 518-524. https://doi.org/10.1299/kikaib.70.518

In situ Measurement of Fuel Concentration of Hydrocarbon near Spark Plug in an Engine Cylinder by 3.392 μm Infrared Laser Absorption Method (Application to Actual Engine). / Tomita, Eiji; Kawahara, Nobuyuki; Nishiyama, Atsushi et al.
In: Nippon Kikai Gakkai Ronbunshu, B Hen/Transactions of the Japan Society of Mechanical Engineers, Part B, Vol. 70, No. 690, 02.2004, p. 518-524.

Research output: Contribution to journal › Article › peer-review

Tomita, E, Kawahara, N, Nishiyama, A & Shigenaga, M 2004, 'In situ Measurement of Fuel Concentration of Hydrocarbon near Spark Plug in an Engine Cylinder by 3.392 μm Infrared Laser Absorption Method (Application to Actual Engine)', Nippon Kikai Gakkai Ronbunshu, B Hen/Transactions of the Japan Society of Mechanical Engineers, Part B, vol. 70, no. 690, pp. 518-524. https://doi.org/10.1299/kikaib.70.518

Tomita E, Kawahara N, Nishiyama A, Shigenaga M. In situ Measurement of Fuel Concentration of Hydrocarbon near Spark Plug in an Engine Cylinder by 3.392 μm Infrared Laser Absorption Method (Application to Actual Engine). Nippon Kikai Gakkai Ronbunshu, B Hen/Transactions of the Japan Society of Mechanical Engineers, Part B. 2004 Feb;70(690):518-524. doi: 10.1299/kikaib.70.518

Tomita, Eiji ; Kawahara, Nobuyuki ; Nishiyama, Atsushi et al. / In situ Measurement of Fuel Concentration of Hydrocarbon near Spark Plug in an Engine Cylinder by 3.392 μm Infrared Laser Absorption Method (Application to Actual Engine). In: Nippon Kikai Gakkai Ronbunshu, B Hen/Transactions of the Japan Society of Mechanical Engineers, Part B. 2004 ; Vol. 70, No. 690. pp. 518-524.

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keywords = "Air Fuel Ratio, Fiber-Optic Sensor, Infrared Absorption Method, Internal Combustion Engine, Laser Diagnostics, Liquid Fuel, Molar Absorption Coefficient",

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In situ Measurement of Fuel Concentration of Hydrocarbon near Spark Plug in an Engine Cylinder by 3.392 μm Infrared Laser Absorption Method (Application to Actual Engine)

Abstract

Keywords

ASJC Scopus subject areas

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