Gas-phase temperature measurement in the vaporizing spray of a gasoline direct-injection injector by use of pure rotational coherent anti-Stokes Raman scattering

被引:59
作者
Beyrau, F [1 ]
Bräuer, A [1 ]
Seeger, T [1 ]
Leipertz, A [1 ]
机构
[1] Univ Erlangen Nurnberg, Lehrstuhl Tech Thermodyanm, D-91058 Erlangen, Germany
关键词
D O I
10.1364/OL.29.000247
中图分类号
O43 [光学];
学科分类号
070207 ; 0803 ;
摘要
Pure rotational coherent anti-Stokes Raman spectroscopy is applied for quantitative gas-phase temperature measurements in the vaporizing spray of an automotive fuel injector. Interferences from elastically scattered stray light are greatly reduced by use of a polarization technique and spectral filtering in a double monochromator. The applicability of this technique to probing low-temperature sprays is successfully demonstrated. (C) 2004 Optical Society of America.
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页码:247 / 249
页数:3
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