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논문 기본 정보

저자정보
(Hanbat National University) (Vanderbilt University) (Vanderbilt University) (Vanderbilt University)
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한국연소학회 한국연소학회지 한국연소학회지 제27권 제2호
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    초록·키워드

    An approach of reducing spontaneous Raman spectroscopy data, based on the matrix inversion method which logically removes undesired sources of the Raman scattering signals including cross-talk due to the signals from other species, is discussed. The approach contains extensive calibration of temperature-dependent system response. The Raman spectra of several cold and hot calibration flames and their resulting calibration matrix are elaborated. The structure of H₂-CO₂-air tubular flames, in terms of major species (CO₂, O₂, N₂, H₂O, and H₂) concentrations and temperature, was successfully measured with the optical technique. The Raman spectra data used in this study are taken from a uniquely designed experimental apparatus – a tubular burner and Raman spectroscopy system at Vanderbilt University. The characteristic uncertainties for chemical species are approximately ±2% by mole fraction for hot products and ±0.5% for room temperature reactants. The approach described here for hydrogen/air tubular flames may be adapted to hydrocarbon/air tubular flames when other necessary major species, for example, CH₄ and CO for methane/air tubular flame, are considered in the whole process.

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