Systematic investigation of premixed methane/air turbulent impinging flames (PDF)
发布时间：2025-04-30
点击次数：
- 发布时间：
- 2025-04-30
- 论文名称：
- Systematic investigation of premixed methane/air turbulent impinging flames (PDF)
- 发表刊物：
- Exp Thermal Fluid Sci
- 摘要：
- Turbulent impinging flame dynamics were investigated using methane/air Bunsen flames with planar laser induced florescence (OH-PLIF), high-speed color imaging camera, thermal imaging camera and acoustic recording microphone as main measuring equipment. Also in this investigation, Digital Flame Color Discrimination(DFCD) and Fast Fourier Transform (FFT) methods were employed to complete the post process. The main aim of this paper is to investigate turbulent flame variations and their correlation with the temperature distribution across an impinging plate. Results showed that, the alteration in the plate-to-nozzle distance results in the variations in the radial temperature distribution and the flame shapes. OH-PLIF images and high speed flame images showed discernible changes on flame characteristics. Audible combustion noise was noticed and collected using Matlab controlled microphone, FFT results showed a strong correlation between combustion noise intensity and the impinging distance. From analyzing the relationship between flame images and flame burning noise, a crucial frequency of combustion noise was found.
- 合写作者：
- Fu J Leung CW, Huang ZH, Zhang Y, Cheung CS
- 卷号：
- 2016
- 页面范围：
- 70: 335-340
- 是否译文：
- 否
- 发表时间：
- 2016-01-05