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A compact Scheimpflug lidar imaging instrument for industrial diagnostics of flames
Lund University, Div. of Combustion Physics, Box 113, 221 00 Lund, Sweden.ORCID iD: 0000-0002-3527-9262
Beamonics AB, Tellusgatan 13, 224 57 Lund, Sweden.
Beamonics AB, Tellusgatan 13, 224 57 Lund, Sweden.
RISE Research Institutes of Sweden, Box 857, 501 15 Borås, Sweden.
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2023 (English)In: Measurement science and technology, ISSN 0957-0233, E-ISSN 1361-6501, Vol. 34, no 7, article id 075901Article in journal (Refereed) Published
Abstract [en]

Scheimpflug lidar is a compact alternative to traditional lidar setups. With Scheimpflug lidar it is possible to make continuous range-resolved measurements. In this study we investigate the feasibility of a Scheimpflug lidar instrument for remote sensing in pool flames, which are characterized by strong particle scattering, large temperature gradients, and substantial fluctuations in particle distribution due to turbulence. An extinction coefficient can be extracted using the information about the transmitted laser power and the spatial extent of the flame. The transmitted laser power is manifested by the intensity of the 'echo' from a hard-target termination of the beam located behind the flame, while the information of the spatial extent of the flame along the laser beam is provided by the range-resolved scattering signal. Measurements were performed in heptane and diesel flames, respectively.

Place, publisher, year, edition, pages
Institute of Physics (IOP), 2023. Vol. 34, no 7, article id 075901
Keywords [en]
lidar, real-time monitoring, combustion
National Category
Atom and Molecular Physics and Optics
Research subject
Structural Engineering
Identifiers
URN: urn:nbn:se:ltu:diva-96498DOI: 10.1088/1361-6501/acc268ISI: 000960733900001Scopus ID: 2-s2.0-85151560787OAI: oai:DiVA.org:ltu-96498DiVA, id: diva2:1750866
Funder
Swedish Foundation for Strategic Research, TM17-0309Vinnova, 2018-01551
Note

Validerad;2023;Nivå 2;2023-04-14 (hanlid);

Available from: 2023-04-14 Created: 2023-04-14 Last updated: 2024-03-07Bibliographically approved

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Försth, Michael

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