Characterization of a fast gas analyzer based on Raman scattering for the analysis of synthesis gas

被引：45
|
作者：
Eichmann, S. C. [1 ,2 ]
Weschta, M. [1 ]
Kiefer, J. [3 ]
Seeger, T. [2 ,4 ]
Leipertz, A. [1 ,2 ]
机构：
[1] Univ Erlangen Nurnberg, Lehrstuhl Tech Thermodynam, D-91058 Erlangen, Germany
[2] Erlangen Grad Sch Adv Opt Technol, D-91052 Erlangen, Germany
[3] Univ Aberdeen, Sch Engn, Aberdeen AB24 3UE, Scotland
[4] Lehrstuhl Thermodynam & Verbrennung, D-57072 Siegen, Germany
来源：
REVIEW OF SCIENTIFIC INSTRUMENTS | 2010年 / 81卷 / 12期
关键词：
MIXTURE FORMATION PROCESS; DUAL-PUMP CARS; DIFFUSION FLAME; DIESEL-ENGINE; TEMPERATURE; H-2; SPECTROSCOPY; FRACTION;
D O I：
10.1063/1.3521397
中图分类号：
TH7 [仪器、仪表];
学科分类号：
0804 ; 080401 ; 081102 ;
摘要：
A sensor system for fast analysis of synthesis gas (mixtures of CO and H(2)) is proposed and characterized. The system is based on spontaneous Raman scattering, which enables simultaneous concentration measurements of all relevant species. For typical synthesis gas applications, this system has to face large variations of temperature and pressure. In addition, strong fluctuations in mixture composition may occur, which lead to rather inconvenient signal intensities. In this paper, we describe a low resolution spectrometer designed to function as a synthesis gas sensor and characterize pressure and temperature effects on concentration measurements. In addition, the use of different spectral ranges and calibration strategies is investigated in view of measurement accuracy and precision. (C) 2010 American Institute of Physics. [doi:10.1063/1.3521397]
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页数：7
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