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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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

Received: 19 October 2021 Published: 28 December 2022

PACS:

TB942

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	Articles by authors
	WANG Hao-fan
	FU Rui
	YUAN Yi
	LI Zhi-cong
	PU Yang
	LOU Chun
	WENG Can

Cite this article:

WANG Hao-fan,FU Rui,YUAN Yi, et al. Research on Detection of Combustion Temperature Distribution Based on Smartphone APP[J]. Acta Metrologica Sinica, 2022, 43(12): 1587-1592.

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

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