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Effects of particle shape on settling velocity at low Reynolds numbers
Abstract
Extensive theoretical and experimental studies have been conducted at the Iowa Institute of Hydraulic Research in an investigation of the effect of shape on the settling velocity of particles. A number of representative axisymmetric shapes were used in the experiments, the Reynolds numbers of the particle motion ranging from 10−4 to 10+1. Stability of orientation was also investigated. Analytical results were obtained for the motion of ellipsoids within the Stokes range by solving Oberbeck's integral equation. The ratio of the principal‐axis lengths was found to be by far the most significant of the various shape factors which have been proposed. In fact, the settling velocities of particles over a wide range of shape can be estimated within ten per cent from the theoretical results for ellipsoids.
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Cited by
In situ settling behavior of marine snow1
Alldredge, A. L., & Gotschalk, C. (1988) · Limnology and Oceanography · doi:10.4319/lo.1988.33.3.0339 · Cited by 608
Kane, I. A., & Clare, M. A. (2019) · Frontiers in Earth Science · doi:10.3389/feart.2019.00080 · Cited by 476
Koelmans, A. A., Redondo-Hasselerharm, P. E., Mohamed Nor, N. H., & Kooi, M. (2020) · Environmental Science & Technology · doi:10.1021/acs.est.0c02982 · Cited by 348
Pollen dispersal models in Quaternary plant ecology: Assumptions, parameters, and prescriptions
Jackson, S. T., & Lyford, M. E. (1999) · The Botanical Review · doi:10.1007/bf02856557 · Cited by 314
Boyra, G., Rueda, L., Coombs, S. H., Sundby, S., Ådlandsvik, B., Santos, M., & Uriarte, A. (2003) · Fisheries Oceanography · doi:10.1046/j.1365-2419.2003.00260.x · Cited by 32
Metadata
- Venue
- Eos, Transactions American Geophysical Union
- Publisher
- American Geophysical Union (AGU)
- Published
- 1950-02
- Volume
- 31
- Issue
- 1
- Pages
- 74-82
- ISSN
- 0002-8606 (ISSN-L)
- OpenAlex
- W2143620065
- Cited by
- 274
- References
- 0
- FWCI
- 6.22
- Type
- journal article
- Language
- en
- Open access
- closed
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- Effects of particle shape on settling velocity at low Reynolds numbers. (1950). Eos, Transactions American Geophysical Union. https://doi.org/10.1029/tr031i001p00074
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