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
收藏
页码：249 / 259
页数：11
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