Formaldehyde-LIF of Dimethyl Ether During Auto-ignition at Elevated Pressures

被引：6

作者：

Haessler, Henning ^{[1
]}

Bockhorn, Henning ^{[1
]}

Pfeifer, Christian ^{[2
]}

Kuhn, Dietmar ^{[2
]}

机构：

[1] Karlsruhe Inst Technol, Engler Bunte Inst, Div Combust Technol EBI VBT, D-76131 Karlsruhe, Germany

[2] Karlsruhe Inst Technol, Inst Nucl & Energy Technol, D-76344 Eggenstein Leopoldshafen, Germany

来源：

FLOW TURBULENCE AND COMBUSTION | 2012年 / 89卷 / 02期

关键词：

Auto-ignition; Dimethyl ether; Formaldehyde; Low temperature oxidation; Numerical simulation; INSFLA; LASER-INDUCED FLUORESCENCE; LOW-TEMPERATURE OXIDATION; REACTION-KINETICS; ALTERNATIVE FUEL; COMBUSTION; DME; METHANE; ENGINE; COMPRESSION; HCCI;

D O I：

10.1007/s10494-011-9374-8

中图分类号：

O414.1 [热力学];

学科分类号：

摘要：

The present work describes the imaging of laser induced fluorescence (LIF) of formaldehyde in a high pressure/high temperature atmosphere. Gaseous dimethyl ether (DME) is injected at 70 bar into the combustion chamber. Formaldehyde is detected by its fluorescence from excitation using the third harmonic of a Nd:YAG-laser with a wavelength of 355 nm at chamber pressures of 20, 30 and 40 bar. The experimental results are compared to 1D flamelet simulation of the auto-ignition processes applying a detailed reaction mechanism for DME. The results reveal a very good accordance to the experimental findings.

引用

页码：249 / 259

页数：11

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