Abstract

Molecular bands OH (306.1 nm), CH (430.18 nm), H\({}_{2}\)O (714–980 nm), C\({}_{2}\) (515.55 nm), NH (336 nm), NO (358.26 nm) have been identified (the most intense edges are shown in parentheses) in the plasma radiation spectra inside the low-emission combustion chamber of a gas turbine engine. This allows the ratio of their intensities to be used for controlling the working parameters of the combustion chamber to reduce emissions of harmful substances regulated by ICAO standards. The spectra have been recorded using Kolibri-2 spectrometers in two versions: (I) working spectral range of 190–1100 nm (with a resolution of 1 nm) and (II) working spectral range of 190–360 nm (with a resolution 0.2 nm). The radiation input into the spectrometer has been performed using a fiber-optic cable and a collimator.

中文翻译：

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低排放燃烧室内等离子体辐射光谱中的分子带识别

摘要

分子带OH（306.1 nm），CH（430.18 nm），H \（{} _ {2} \） O（714–980 nm），C \（{} _ {2} \）在燃气涡轮发动机低排放燃烧室内的等离子辐射光谱中，已确认到（515.55 nm），NH（336 nm），NO（358.26 nm）（最强烈的边缘显示在括号中）。这允许将其强度比用于控制燃烧室的工作参数，以减少ICAO标准规定的有害物质的排放。使用Kolibri-2光谱仪记录了两个版本的光谱：（I）190–1100 nm的工作光谱范围（分辨率为1 nm）和（II）190–360 nm的工作光谱范围（分辨率为0.2） nm）。输入到光谱仪中的辐射已经使用光纤电缆和准直仪执行。