Computed tomography measurement of 3D combustion chemiluminescence using single camera

Kuanliang Wang; Fei Li; Hui Zeng; Shaohua Zhang; Xilong Yu

doi:10.1117/12.2247303

19 October 2016 Computed tomography measurement of 3D combustion chemiluminescence using single camera

Kuanliang Wang, Fei Li, Hui Zeng, Shaohua Zhang, Xilong Yu

Proceedings Volume 10155, Optical Measurement Technology and Instrumentation; 1015531 (2016) https://doi.org/10.1117/12.2247303
Event: International Symposium on Optoelectronic Technology and Application 2016, 2016, Beijing, China

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.

Citation Download Citation

Kuanliang Wang, Fei Li, Hui Zeng, Shaohua Zhang, and Xilong Yu "Computed tomography measurement of 3D combustion chemiluminescence using single camera", Proc. SPIE 10155, Optical Measurement Technology and Instrumentation, 1015531 (19 October 2016); https://doi.org/10.1117/12.2247303

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