Chemical Species Tomography of Carbon Dioxide
Tsekenis S-A1*, Polydorides N1, Fisher E1, Chighine A1, Jiabin J1, McCann H1 Wilson D2, Humphries G2, Lengden M2, Benoy T2, Johnstone W2, Kliment J3, Wright P3, Feng Y4, Nilsson LJ4, Victor DA Prat5
1 School of Engineering, The University of Edinburgh, Edinburgh, UK
2 Centre for Microsystems & Photonics, University of Strathclyde, Glasgow, UK
3 The University of Manchester, Oxford Road, Manchester, UK
4 Optoelectronics Research Centre, University of Southampton, Highfield, Southampton, UK
5 INTA Turbojet Engine Test Centre, Torrejón de Ardoz (Madrid), Spain
In this paper we report on the first tomographic reconstructions of CO2 concentration distributions created by gaseous phantoms. The tomography system has been developed as part of project FLITES which aims to provide images of various target chemical species within the exhaust plume of turbine engines. We provide a brief overview of the instrumentation system and a detailed description of the phantom apparatus. Data analysis and image reconstruction of the data is discussed and the first preliminary reconstructions are presented. The presented results from imaging gaseous phantoms validate the successful design, correct configuration and operation of the entire data collection, analysis and processing chain prior to the in-situ experiments using an aero-engine.
Keywords: tomography, image reconstruction, spectroscopy, aero-engine, carbon dioxide, emission diagnostics
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