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Learn more |
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Screenshot: LIISim V3.0.6 - Signal Processing |
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A modular signal processing toolbox for laser-induced incandescence (LII) measurements |
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Signal Processing Editor |
Signal Processing |
The modular signal processing toolbox allows processing of raw signals, absolute signals and temperature traces. Processing steps can be individually set and arranged. Intermediate processing results can be visualized and analyzed with various plot tools. <br><br>[Learn more](/about){: .btn .btn--success } |
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Analysis Tool: Temperature Fit |
Analysis Tool: Temperature Fit |
Visualization of spectral temperature fitting using Planck's law. Temperature traces that are calculated in the SignalProcessing module can be analyzed and all fitting iterations can be visualized. <br><br>[Learn more](/about){: .btn .btn--success } |
/assets/screenshots/2018-03-26_V3.0.6_AToolTemperature.png |
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Analysis Tool: Parameter Analysis |
Experimental data can be systematically compared for various parameters (i.e., laser fluence, LII peak temperature, PMT gain voltage,...). <br><br>[Learn more](/about){: .btn .btn--success } |
/assets/screenshots/2018-03-26_V3.0.6_ParameterAnalysis.png |
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Fit Creator |
Fit Creator |
Select from a variety of heat transfer models and databases for simulation of LII signal traces and comparison with experimental data. <br><br>[Learn more](/about){: .btn .btn--success } |
/assets/screenshots/2018-03-26_V3.0.6_FitCreator.png |
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Laser-induced incandescence (LII) is a non-intrusive method of measuring
soot particle volume fraction and primary particle sizes in flames.
Not only restricted to flames, this technique is recently used for characterization
of car engine exhaust, atmospheric black carbon and synthetic
nanoparticles. These new applications require the same basic signal processing,
but at the same time individual databases for material (soot or non-soot) and
gas compositions as well as individual heat transfer models for the
determination of particle sizes. LIISim is a framework for basic signal processing
and analysis of experimental LII data to help researches across the world to compare their
experimental data.
The old LIISim.com web interface (by Max Hofmann) can be found here{:target="_blank"}.
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LIISim is a project of
The software is described in the following paper:
R. Mansmann, T. Terheiden, P. Schmidt, J. Menser, T. Dreier, T. Endres and C. Schulz: "LIISim: a modular signal processing toolbox for laser-induced incandescence measurements"
Appl. Phys. B 124(4), 69 (2018). DOI 10.1007/s00340-018-6934-9
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