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Vertical diffusivity of suspended sediment with wide size distribution is concerned. The sediment size is expressed by φ scale, and the φ values are assumed to be normally distributed. The suspended sediment concentration is divided into two groups, 2% of fine side, and 98% of the rest, and single representative settling velocity for median size is used to calculate the vertical diffusion coefficient of the suspended sediment. The computed distribution of the vertical sediment diffusion coefficient is larger than the distribution of the vertical fluid eddy viscosity. A set of equations is proposed for description of the distribution of the vertical suspended sediment diffusion coefficient for engineering purposes. The new equation improves correlation with a set of measured diffusion coefficient values by Barton and Lin.

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참고문헌 (17건) : 자료제공( 네이버학술정보 )

참고문헌 목록에 대한 테이블로 번호, 참고문헌, 국회도서관 소장유무로 구성되어 있습니다.
번호 참고문헌 국회도서관 소장유무
1 Ashida, K, and Fujita, M. (1986). “Stochastic model for particle suspension in open channels.” Journal of Hydroscience and Hydraulic Engineering, ISCE, Vol. 4, pp. 21-46. 미소장
2 Bagnold, R. A. (1966). An approach to the sediment transport problem from general physics, Geological Survey Professional Paper 422-I, Washington, D.C., USA. 미소장
3 Barton, J. R. and Lin, P. N. (1955). A study of the sediment transport in alluvial channels, Report No. 55 JRB 2, Colorado College, Fort Collins, USA. 미소장
4 Bhattacharya, P. K. (1971). Sediment suspension in shoaling waves, PhD Thesis, University of Iowa, Iowa, USA. 미소장
5 Bogardi, J. L. (1974). Sediment transport in alluvial streams, Akademiaci Kiado, Budapest, Hungary. 미소장
6 Camenen, B. and Larson, M. (2007). A unified sediment transport formulation for coastal inlet application, ERDC/CHL CR-07-1, Coastal and Hydraulics Laboratory, US Army Corps Engineers, Washington, D.C., USA. 미소장
7 Carstens, M. R. (1952). “Accelerated motion of a spherical particle.” Trans. Amer. Geoph. Union, Vol. 33, No. 5, pp. 713-720. 미소장
8 A new examination of sediment suspension in open channels 네이버 미소장
9 Flume Studies of the Sediment Transfer Coefficient 네이버 미소장
10 Sediment threshold under stream flow : a state-of-the-art review 소장
11 Sand Transport on the Continental Shelf 네이버 미소장
12 Lane, E. W., Carlson, E. J., and Hanson, O. S. (1949). “Low temperature increase in sediment transportation in Colorado river.” Civil Engineer, Vol. 19, No. 9, pp. 619-621. 미소장
13 Depth‐Integrated Suspended‐Load Calculations 네이버 미소장
14 Rouse, H. (1937). “Modern conceptions of the mechanics of fluid turbulence.” Transactions, ASCE, Vol. 102, No. 1965, pp. 463-543. 미소장
15 Sediment Transport, Part II: Suspended Load Transport 네이버 미소장
16 Van Rijn, L C. (1987). Mathematical modelling of morphological processes in the case of suspended sediment transport, PhD Thesis, Delft University, The Netherlands. 미소장
17 Van Rijn, L. C. (1993). Principles of sediment transport in river, estuaries, and coastal seas, Aqua Publications, The Netherlands. 미소장

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