视频成像光谱辐射计 (VISR) 的可行性,用于量化火焰燃烧效率
Alireza Kaveh1, Jennifer P Spinti2, Paule Lapeyre1
1Department of Mechanical and Mechatronics Engineering, University of Waterloo, Waterloo, ON, Canada.
Journal of the Air & Waste Management Association (1995)
|April 25, 2025
概括
视频成像光谱辐射计 (VISR) 可以评估火焰燃烧效率 (CE). 然而,它可能会高估性能,因为它在横风下错过了剥离的甲,影响了排放监测的准确性.
科学领域:
- 环境科学 环境科学
- 化学工程是化学工程的重要组成部分.
- 频谱学是一种光谱学.
背景情况:
- 燃烧炉在工业过程中对于安全处置废气至关重要.
- 精确测量燃烧效率 (CE) 对于环境合规性和流程优化至关重要.
- 持续监测排放系统对于检测甲滑落越来越重要,正如OGMP 2.0.0等倡议所强调的那样.
研究的目的:
- 数字评估视频成像光谱放射测量 (VISR) 技术,以量化火焰燃烧效率 (CE).
- 调查光谱模型近似对本地和全球CE计算的影响.
- 评估VISR在横风条件下从燃烧区中剥离的燃料的捕获能力.
主要方法:
- 蒸汽辅助工业火焰的计算流体动力学 (CFD) 模拟.
- 生成模拟的中红外图像 (3.24.9μm) 针对CO2,CO和CH4吸收带.
- 对像素智能CE的分析,全球CE估计和对VISR与横风效应的局限性的评估.
主要成果:
- 简化的VISR模型可以准确地预测当地的CE.
- 将本地CE转换为全球CE的仪器模型可能会引入重大偏差.
- VISR可能无法量化横风剥离的未燃烧的甲,导致过高估计的火焰性能.
结论:
- 虽然VISR对本地CE评估有希望,但其全球CE计算需要改进以避免偏见.
- 该技术无法在横风下检测脱离的甲,这对准确的排放监测构成了挑战.
- 本研究提供了一种方法,用于对新兴的持续监测技术进行比较,以测量火焰排放.
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