基于智能手机APP的火焰温度分布检测研究

doi:10.3969/j.issn.1000-1158.2022.12.10

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摘要提出了一种利用辐射理论与可见光图像处理技术,基于Android系统APP测量火焰温度的方法。利用手机自带相机采集火焰的可见光图像,通过提取可见光图像各个像素点的RGB,标定镜头确定辐射亮度与RGB的定量关系,利用维恩辐射定律计算出各个像素点的温度值,实现随时随地测量火焰温度。开发的APP测量火焰温度的技术可以通过拍照或图库选择的方式输入燃烧图像,提取照片的曝光时间、白平衡、ISO等重要参数,经过计算,即可生成燃烧二维温度分布图。实验测量了反扩散火焰的温度分布,结果表明:与多波长测量方法相比,智能手机测量温度最大值的相对偏差为4%。

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	王浩帆
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	袁怡
	李智聪
	蒲旸
	娄春
	翁灿

关键词 ：计量学, 燃烧诊断, 火焰温度分布, 图像处理, 智能手机APP

Abstract：To measure flame temperature distribution, a method based on the Android system using heat radiation theory and visible light image processing was proposed. The camera of the smartphone was used to collect the visible light image of the flame. After extracting the RGB of each pixel of the visible light image and calibrating the smartphone camera to determine the quantitative relationship between radiation intensity and RGB, flame temperature of each pixel was measured using Wien’s law. The developed APP flame temperature measurement technology was allowed to input the combustion image by taking a photo or selecting a photo from gallery. Main parameters, such as exposure time, white balance and ISO etc, of the photo was extracted. A two-dimensional flame temperature distribution was generated after calculation. An experiment was set to measure the temperature distribution of the inverse diffusion flame. The result showed that the relative deviation of the maximum temperature measured by the smartphone was 4% compared with the multi-wavelength measurement method.

Key words： metrology combustion diagnosis flame temperature distribution image processing smartphone APP

收稿日期: 2021-10-19 发布日期: 2022-12-28

PACS:

TB942

基金资助:国家自然科学基金(51827808)

通讯作者: 娄春(1977-),男,重庆人,华中科技大学教授,博士生导师,从事燃烧测量与诊断方面研究。Email: Lou_chun@sina.com E-mail: Lou_chun@sina.com

作者简介: 王浩帆(1998-),男,陕西西安人,华中科技大学硕士研究生,研究方向为燃烧测量与诊断。Email: 745307863@qq.com

引用本文:

王浩帆,付睿,袁怡,李智聪,蒲旸,娄春,翁灿. 基于智能手机APP的火焰温度分布检测研究[J]. 计量学报, 2022, 43(12): 1587-1592.
WANG Hao-fan,FU Rui,YUAN Yi,LI Zhi-cong,PU Yang,LOU Chun,WENG Can. Research on Detection of Combustion Temperature Distribution Based on Smartphone APP. Acta Metrologica Sinica, 2022, 43(12): 1587-1592.

链接本文:

http://jlxb.china-csm.org:81/Jwk_jlxb/CN/10.3969/j.issn.1000-1158.2022.12.10 或 http://jlxb.china-csm.org:81/Jwk_jlxb/CN/Y2022/V43/I12/1587

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