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Full Rotational Dynamics of Plastic Microfibers in Turbulence

Physical Review Letters 2024 12 citations ? Citation count from OpenAlex, updated daily. May differ slightly from the publisher's own count. Score: 50 ? 0–100 AI score estimating relevance to the microplastics field. Papers below 30 are filtered from public browse.

Vlad Giurgiu, Vlad Giurgiu, Vlad Giurgiu, Vlad Giurgiu, Giuseppe Carlo Alp Caridi, Giuseppe Carlo Alp Caridi, Giuseppe Carlo Alp Caridi, Giuseppe Carlo Alp Caridi, Giuseppe Carlo Alp Caridi, Marco De Paoli, Alfredo Soldati Marco De Paoli, Alfredo Soldati Marco De Paoli, Alfredo Soldati Alfredo Soldati Alfredo Soldati

Summary

Researchers conducted experiments on the rotational dynamics of elongated plastic microfibers in turbulent conditions. The study provides new data on how these microplastic fibers spin and tumble in turbulence, which is important for understanding the motion, settling, and dispersion patterns of microplastics in ocean environments.

Study Type Environmental

The motion, settling, and dispersion of microplastics in the ocean are determined by their rotational dynamics. We present experiments on elongated, large aspect ratio, and mildly curved plastic fibers slightly longer than the Kolmogorov length scale. Exploiting their uniquely identifiable three-dimensional orientation, we perform original optical Lagrangian investigations and provide a set of homogeneous data on their rotation rates around their longitudinal axis: spinning rate, and transversal axes: tumbling rates, which we explain in the context of the general features of turbulence.

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