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Testing the performance of various models available to calculate the terminal settling velocity of irregularly shaped particles.

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RoisinCoyle/mP_DragModelTest

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Models tested:

  • Stokes (1851)
  • Dietrich (1982)
  • Bagheri and Bonadonna (2016)
  • Dioguardi et al. (2018)
  • Francalanci et al (2021)
  • Zhang and Choi (2021)
  • Yu et al. (2022)

Datasets used:

  • Van Melkebeke et al. (2020)
  • Dioguardi et al (2018)

References:

BAGHERI, G. & BONADONNA, C. 2016. On the drag of freely falling non-spherical particles. Powder Technology, 301, 526-544.

BAGHERI, G. & BONADONNA, C. 2019. Comment on “A New One-Equation Model of Fluid Drag for Irregularly Shaped Particles Valid Over a Wide Range of Reynolds Number” by Dioguardi et al. Journal of Geophysical Research: Solid dEarth, 124, 10261-10264.

DIETRICH, W. E. 1982. Settling velocity of natural particles. Water Resources Research, 18, 1615-1626.

DIOGUARDI, F., MELE, D. & DELLINO, P. 2018. A New One-Equation Model of Fluid Drag for Irregularly Shaped Particles Valid Over a Wide Range of Reynolds Number. Journal of Geophysical Research: Solid Earth, 123, 144-156.

FRANCALANCI, S., PARIS, E. & SOLARI, L. 2021. On the prediction of settling velocity for plastic particles of different shapes. Environmental Pollution, 118068.

STOKES, G. G. 1851. On the Effect of the Internal Friction of Fluids on the Motion of Pendulums. Transactions of the Cambridge Philosophical Society, 9, 8.

VAN MELKEBEKE, M., JANSSEN, C. & DE MEESTER, S. 2020. Characteristics and Sinking Behavior of Typical Microplastics Including the Potential Effect of Biofouling: Implications for Remediation. Environmental Science & Technology, 54, 8668-8680.

YU, Z., YANG, G. & ZHANG, W. 2022. A new model for the terminal settling velocity of microplastics. Marine Pollution Bulletin, 176, 113449.

ZHANG, J. & CHOI, C. E. 2021. Improved Settling Velocity for Microplastic Fibers: A New Shape-Dependent Drag Model. Environmental Science & Technology.

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Testing the performance of various models available to calculate the terminal settling velocity of irregularly shaped particles.

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