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首页> 外文会议>Conference on Optical Methods for Industrial Processes 6-7 November 2000 Boston, USA >Detection of the unburned methane in a 213 kW combustor by means of a portable diode laser gas analyzer
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Detection of the unburned methane in a 213 kW combustor by means of a portable diode laser gas analyzer

机译：便携式二极管激光气体分析仪检测213 kW燃烧室中未燃烧的甲烷

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摘要

In recnet years a big effort has been made by gas turbine manufacturers in order to design industrial combustion apparata with high efficiency. Laser based diagnostic methods have become now a powerful tool for monitoring the performance of these devices. A portable high sensitive diode laser gas analyzer has been used to detect the unburned methane in the exhaust of a 213 kW combustor (General Electric DLE). The main features of the methane analyzer are a tunable diode laser operating at room temperature emitting radiation at 1.65 mum and a Chernin optical multipass cell. The gas analyzer is controlled by a computer program, which can supply real time concentration measurements. The latter characteristic coupled to its limited dimensions allow for in situ implementation of the spectroscopic tool.
机译：在最近的几年中，燃气轮机制造商做出了巨大的努力，以高效地设计工业燃烧设备。基于激光的诊断方法现已成为监视这些设备性能的强大工具。便携式高灵敏度二极管激光气体分析仪已用于检测213 kW燃烧室（通用电气DLE）的排气中未燃烧的甲烷。甲烷分析仪的主要功能是在室温下工作的可调谐二极管激光器，其发出的辐射为1.65毫米，还有一个Chernin光学多通道电池。气体分析仪由计算机程序控制，该计算机程序可以提供实时浓度测量值。后者的特性与其有限的尺寸相结合，可以原位实现光谱仪。

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