Contact‐free measurements of oxygen concentration in industrial flames by raman scattering | Zendy

Leipertz Alfred | Zendy; Haumann Jürgen | Zendy; Fiebig Martin | Zendy

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Contact‐free measurements of oxygen concentration in industrial flames by raman scattering

Author(s) -

Leipertz Alfred,

Haumann Jürgen,

Fiebig Martin

Publication year - 1987

Publication title -

chemical engineering and technology

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.403

H-Index - 81

eISSN - 1521-4125

pISSN - 0930-7516

DOI - 10.1002/ceat.270100124

Subject(s) - raman scattering , raman spectroscopy , analytical chemistry (journal) , combustion , stoichiometry , laser , oxygen , chemistry , equivalence ratio , materials science , detection limit , optics , combustor , chromatography , organic chemistry , physics

Spatially resolved oxygen concentration measurements were performed in premixed hydrocarbon flames by using laser induced spontaneous Raman scattering. The measurements demonstrate the performance of a relatively simple pulsed laser Raman probe for fundamental combustion studies and also for the control of the equivalence ratio in flames (best spatial resolution: 0.2 mm 3 ; theoretical detection limit: 0.8% of O 2 ). Comparison of the results with those obtained by a mechanical suction probe (Magnos 2 T) confirmed a good agreement. At present, control of different stoichiometric conditions is possible at a minimum O 2 concentration of 1.3%.

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