bedload_SJ: Bedload Transport Capacity (Smart and Jaeggi)

In hydReng: Hydraulic Engineering Tools

Bedload Transport Capacity (Smart and Jaeggi)

Description

Calculates the bedload transport capacity based on the formula by Smart and Jaeggi (1983). This formula is recommended for slopes between 0.005 and 0.2.

Usage

bedload_SJ(d30, dm, d90, J, Rs, um, B, t_crit = 0.05, rho_s = 2650,
s_value = 2.65)

Arguments

d30	Grain size distribution parameter [m].
dm	Median grain size [m].
d90	Grain size distribution parameter [m].
J	Bottom slope [-].
Rs	Hydraulic radius [m].
um	Mean flow velocity [m/s].
B	Bottom width [m].
t_crit	Critical shear stress [-] (default: 0.05).
rho_s	Density of bedload material [kg/m3] (default: 2650).
s_value	Relative solid density [-] (default: 2.65).

Value

bedload_SJ returns the bedload transport rate [kg/s]

References

Smart, G. M., & Jäggi, M. N. R. (1983). Sediment transport in steilen Gerinnen. Mitteilungen der Versuchsanstalt für Wasserbau, Hydrologie und Glaziologie der ETH Zürich, 64, Zürich.

Examples

d30 <- 0.05
dm <- 0.1
d90 <- 0.2
J <- 0.03
Rs <- 1
um <- 2
B <- 3

bedload_SJ(d30 = 0.05, dm = 0.10, d90 = 0.2, J = 0.03, Rs = 1, um = 2, B = 5)

hydReng documentation built on April 4, 2025, 1:57 a.m.