METHOD FOR ANALYZING POLLUTANT BEHAVIOR THROUGH ESTIMATION OF THE TRANSVERSE DISPERSION COEFFICIENT INCORPORATING THE VELOCITY PROFILE OF THE SECONDARY FLOW IN A RIVER

摘要

A method for analyzing movement of contaminant by calculating a horizontal distribution coefficient combining flow rate distribution of a secondary flow of a river is provided to quantitatively understand horizontal distribution effect of the secondary flow by representing magnitude of the secondary flow changed according to a flow direction in a theoretical formula and offering a simple horizontal distribution coefficient formula including distribution effect of the secondary flow to the horizontal distribution coefficient. River information includes a flow rate, depth, a winding radius, and a vertical distribution coefficient of an analyzed river. A non-dimensional horizontal distribution coefficient is found by assuming a perpendicular distribution of a horizontal flow rate as a linear type and using a horizontal distribution coefficient formula by a shear flow.