An excel program for computing the dynamic properties of particles in Newtonian fluids

Computers and Geosciences

Volumn 23, Issue 6, 1997, Pages 671-675

  Le Roux, J P ^a  

^a STELLENBOSCH UNIVERSITY   (South Africa)

Author keywords

Critical shear stress; Settling velocity; Spreadsheet

Indexed keywords

GRAIN; SETTLING VELOCITY; SHEAR STRESS;

CRITICAL SHEAR STRESS; GRAIN SIZE; SETTLING VELOCITY; SPREADSHEET;

EID: 0031455085     PISSN: 00983004     EISSN: None     Source Type: Journal    
DOI: 10.1016/S0098-3004(97)00036-8     Document Type: Article

References (22)

1. Aschenbrenner, B. C. (1956) A new method of expressing particle sphericity. Journal of Sedimentary Petrology 26(1), 15-31.
2. Baba, J. and Komar, P. D. (1981) Settling velocities of irregular grains at low Reynolds numbers. Journal of Sedimentary Petrology 51(1), 121-128.
3. Briggs, L. I., McCulloch, D. S. and Moser, F. (1962) The hydraulic shape of sand particles. Journal of Sedimentary Petrology 32(4), 645-656.
4. Collins, M. B. and Rigler, J. K. (1982) The use of settling velocity in defining the initiation of motion of heavy mineral grains, under unidirectional flow. Sedimentology 29(3), 419-426.
5. Corey, A. T. (1949) Influence of shape on the fall velocity of sand grains. M.Sc. Thesis, A & M College, Colorado, 102 pp.
6. Hofmann, H. J. (1994) Grain-shape indices and isometric graphs. Journal of Sedimentary Research A64(4), 916-920.
7. Iversen, J. D. and White, B. R. (1982) Saltation threshold on Earth, Mars and Venus. Sedimentology 29(1), 111-119.
8. Janke, N. C. (1966) Effect of shape upon the settling velocity of regular convex geometric particles. Journal of Sedimentary Petrology 36(2), 370-376.
9. Kennedy, J. J. and Koh, R. C. (1961) The relation between the frequency distribution of sieve diameters and fall velocities of sediment particles. Journal of Geophysical Research 66(12), 4233-4246.
10. Komar, P. D. and Clemens, K. E. (1985) The relationship between a grain's settling velocity and threshold of motion under unidirectional currents. Journal of Sedimentary Petrology 56(2), 258-266.
11. Komar, P. D. and Cui, B. (1984) The analysis of grain-size measurements by sieving and settling-tube techniques. Journal of Sedimentary Petrology 54(2), 603-614.
12. Krumbein, W. C. (1941) Measurement and geological significance of shape and roundness of sedimentary particles. Journal of Sedimentary Petrology 11(2), 64-72.
13. Krumbein, W. C. (1942) Settling velocities and flume behavior of nonspherical particles. Transactions of the American Geophysics Union 23(1), 621-633.
14. Le Roux, J. P. (1992) Settling velocity of spheres: a new approach. Sedimentary Geology 81(1), 11-16.
15. Le Roux, J. P. (1996) Settling velocity of ellipsoidal grains as related to shape entropy. Sedimentary Geology 101(1), 15-20.
16. Le Roux, J. P. (1997a) Relationship between aerodynamic entrainment threshold and hydrodynamic settling velocity of particles. Sedimentary Geology 109(1-2), 199-205.
17. Le Roux, J. P. (1997b) Comparison of sphericity indices as related to hydraulic equivalence of settling grains. Journal of Sedimentary Petrology, in press.
18. Pettijohn, F. J. (1975) Sedimentary Rocks, 3rd edn. Harper and Row, New York, 628 pp.
19. Shields, A. (1936) Application of similarity principles and turbulence research to bed-load movement. In Mitteilungen der Preussischen Versuchanstalt für Wasserbau und Schiffbau (Translated by W. P. Ott and J. C. van Uchelen). Report 167 of the Calif. Inst. Tech. W. M. Keck Lab. Hydraul. Water Resources.
20. Sneed, E. D. and Folk, R. L. (1958) Pebbles in the lower Colorado River, Texas - a study in particle morphogenesis. Journal of Geology 66(2), 114-150.
21. Wadell, H. (1932) Volume, shape and roundness of rock particles. Journal of Geology 40(5), 443-451.
22. Winkelmolen, A. M. (1982) Critical remarks on grain parameters, with special emphasis on shape. Sedimentology 29(2), 255-265.