High-concentration measurements with optical aerosol spectrometers by signal fluctuation analysis

Oeser, Lukas; Samala, Nakul; Hillemann, Lars; Göhler, Daniel; Müller, Jan; Jahn-Wolf, Claudia; Lienig, Jens

doi:10.1016/j.jaerosci.2023.106312

Journal of Aerosol Science

2024

DOI: 10.1016/j.jaerosci.2023.106312

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High-concentration measurements with optical aerosol spectrometers by signal fluctuation analysis

Lukas Oeser,

Nakul Samala,

Lars Hillemann

et al.

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2024

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Cited by 1 publication

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Particle Size Prediction Method for Fire or Nuisance Event using a Simple Photoelectric Detector

Özyurt

2024

J. Phys.: Conf. Ser.

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This study demonstrates that a simple smoke detector with minimal components can be used to estimate the particle size of fires or nuisance incidents. Machine learning (ML) models were created using scattered light data. Various test materials such as wood, cotton, polyurethane foam, cigarette, N-heptane, printed circuit board (PCB), paraffin, polyalpha olefin (PAO), di-ethyl hexyl-sebacate (DEHS), plaster powder, and cement dust were used in the experiments. The proposed prediction method was tested against completely unknown particles of cigarette, PAO, PCB, and plaster powder, which were not used in the training. The particle size prediction capability of forward, backward, and side scattering of light at 980 nm was investigated using ML models with time correlation function (TCF) data. The prediction errors of the best ML model for particle median sizes ranged from 0.4% to 35.1%. Traditional simple smoke detectors using the proposed methodologies can measure the median particle size and volume concentration, thereby effectively suppressing false alarms.

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Particle Size Prediction Method for Fire or Nuisance Event using a Simple Photoelectric Detector

Özyurt

2024

J. Phys.: Conf. Ser.

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High-concentration measurements with optical aerosol spectrometers by signal fluctuation analysis

Cited by 1 publication

References 11 publications

Particle Size Prediction Method for Fire or Nuisance Event using a Simple Photoelectric Detector

Particle Size Prediction Method for Fire or Nuisance Event using a Simple Photoelectric Detector

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