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Proceedings Paper

Computed tomography measurement of 3D combustion chemiluminescence using single camera
Author(s): Kuanliang Wang; Fei Li; Hui Zeng; Shaohua Zhang; Xilong Yu
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Paper Abstract

Instantaneous measurement of flame spatial structure has been long desired for complicated combustion condition (gas turbine, ramjet et.). Three dimensional computed tomography of chemiluminescence (3D-CTC) is a potential testing technology for its simplicity, low cost, high temporal and spatial resolution. In most former studies, multi-lens and multi-CCD are used to capture projects from different view angles. In order to improve adaptability, only one CCD was utilized to build 3D-CTC system combined with customized fiber-based endoscopes (FBEs). It makes this technique more economic and simple. Validate experiments were made using 10 small CH4 diffusion flame arranging in a ring structure. Based on one instantaneous image, computed tomography can be conducted using Algebraic Reconstruction Technique (ART) algorithm. The reconstructed results, including the flame number, ring shape of the flames, the inner and outer diameter of ring, all well match the physical structure. It indicates that 3D combustion chemiluminescence could be well reconstructed using single camera.

Paper Details

Date Published: 19 October 2016
PDF: 6 pages
Proc. SPIE 10155, Optical Measurement Technology and Instrumentation, 1015531 (19 October 2016); doi: 10.1117/12.2247303
Show Author Affiliations
Kuanliang Wang, Institute of Mechanics (China)
Fei Li, Institute of Mechanics (China)
Hui Zeng, Institute of Mechanics (China)
Shaohua Zhang, Institute of Mechanics (China)
Xilong Yu, Institute of Mechanics (China)

Published in SPIE Proceedings Vol. 10155:
Optical Measurement Technology and Instrumentation
Sen Han; JiuBin Tan, Editor(s)

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