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Optical algorithm for calculating the quantity distribution of fiber assembly.

Meiqin Wu, Fumei Wang

    Applied Optics
    |September 9, 2016
    PubMed
    Summary

    A modified Kubelka-Munk model accurately describes light in fiber-air mixtures, improving fibrogram measurements for cotton and wool fiber length analysis.

    Area of Science:

    • Optics
    • Materials Science
    • Textile Engineering

    Background:

    • The Kubelka-Munk two-flux model is widely used for light propagation in scattering media.
    • Existing models may not fully capture light behavior in complex fiber-air mixtures.
    • Accurate fiber length measurement is crucial in the textile industry.

    Purpose of the Study:

    • To modify the Kubelka-Munk model for fiber-air mixtures.
    • To evaluate the modified model's performance against the Lambert law in fibrogram analysis.
    • To assess the model's utility for measuring cotton and wool fiber lengths.

    Main Methods:

    • A modified two-flux model was developed, simplifying internal fiber reflection into scattering.
    • Systematic experiments were conducted using fibrograms.

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  • The model's consistency with reference data was compared to the Lambert law.

    • Main Results:

    • The modified model showed higher consistency with reference quantity distribution than the Lambert law.
    • The model demonstrated good application in measuring cotton fiber length.
    • The model's applicability was successfully extended to wool fiber length measurement.

    Conclusions:

    • The modified Kubelka-Munk model offers improved description of light propagation in fiber-air media.
    • This enhanced model provides a more accurate method for fibrogram analysis.
    • The study successfully extends precise fiber length measurement capabilities to challenging materials like wool.