Effects of Oxygenated Fuel on Soot Particle Formation in a Diesel Spray Flame

Effects of Oxygenated Fuel on Soot Particle Formation in a Diesel Spray Flame

Oxygenated fuels with different oxygen content and molecular structure were used, and effects of oxygenated fuel on soot volume fraction and soot particle sizes were investigated by Time-Resolved LII (Laser induced incandescence) in a diesel spray flame. Soot particle formation was measured in a con...

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Veröffentlicht in:Nihon Kikai Gakkai rombunshuu. B hen 2006/10/25, Vol.72(722), pp.2578-2584
Hauptverfasser: KOMEMUSHI, Yusuke, KUGE, Takahiro, SENDA, Jiro, FUJIMOTO, Hajime
Format: Artikel
Sprache:eng ; jpn
Schlagworte:
Combustion
Diesel Engine
Flame
Laser-Induced Icandescence
Oxygenated Fuel
Soot Formation
Soot Particle Diameter
Soot Volume Fraction
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container_issue 722
container_start_page 2578
container_title Nihon Kikai Gakkai rombunshuu. B hen
container_volume 72
creator KOMEMUSHI, Yusuke
KUGE, Takahiro
SENDA, Jiro
FUJIMOTO, Hajime
description Oxygenated fuels with different oxygen content and molecular structure were used, and effects of oxygenated fuel on soot volume fraction and soot particle sizes were investigated by Time-Resolved LII (Laser induced incandescence) in a diesel spray flame. Soot particle formation was measured in a constant volume combustion vessel that was able to simulate the diesel engine conditions. Fuels used in this study were n-heptane, four ethers that contain (-O-) bond in molecular structure ; Dibuthyl ether (DBE), Diethylene glycol dibuthyl ether (DGB), Diethylene glycol diethyl ether (DGE), Diethylene glycol dimethyl ether (DGM), two esters that contain (-COO-) bond ; Buthyl acetate (BA), Ethyl acetate (EA). Oxygen content in oxygenated fuel changes from 12.3 wt-% to 36.4 wt-%. Soot volume fraction decreases in proportion to oxygen content in same molecular structured oxgenated fuel. Ether is more effective than ester in reducing soot volume fraction and suppressing the growth of soot particle diameter. And, by the application of oxygenated fuel, though soot volume fraction decreases, small soot particles are formed with high number density.
doi_str_mv 10.1299/kikaib.72.2578
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subjects Combustion
Diesel Engine
Flame
Laser-Induced Icandescence
Oxygenated Fuel
Soot Formation
Soot Particle Diameter
Soot Volume Fraction
title Effects of Oxygenated Fuel on Soot Particle Formation in a Diesel Spray Flame
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