In-cylinder Fourier-transform infrared spectroscopy

被引：7

作者：

Rein, Keith D. ^{[1
]}

Sanders, Scott T. ^{[1
]}

Lowry, Stephen R. ^{[2
]}

Jiang, Eric Y. ^{[2
]}

Workman, Jerome J., Jr. ^{[2
]}

机构：

[1] Univ Wisconsin, Dept Mech Engn, Engn Res Ctr, Madison, WI 53706 USA

[2] Thermo Fisher Sci, Madison, WI 53711 USA

来源：

MEASUREMENT SCIENCE AND TECHNOLOGY | 2008年 / 19卷 / 04期

关键词：

Fourier transform spectroscopy; engine; combustion;

D O I：

10.1088/0957-0233/19/4/043001

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

We have adapted a standard Fourier-transform infrared (FTIR) spectrometer (Thermo-Scientific Nexus 670) for in-cylinder measurements of gas spectra. During engine operation, the engine shaft encoder signal is logged continuously along with the FTIR's He-Ne laser signal and infrared interferogram signal. The engine piston and FTIR mirror move in an uncorrelated fashion, so that after many minutes of engine operation, a complete interferogram is populated at each piston position. Afterward, the data are compiled into a series of spectra versus crank-angle degree. Here, we present a near-infrared H2O thermal emission spectrum measured through a fiber-optic spark plug connected to an engine (Briggs 128603-OHV).

引用

页数：5

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