Searched for: subject%3A%22bed%255C%2Broughness%22
(1 - 20 of 28)

Pages

List view
Grid view
document
Buitelaar, Maarten (author)
A dam-break wave can result in considerable damages and casualties. Events that can lead to such waves include dike and dam breaches, storm surges and impulse waves. Dutch history is familiar with a number of coastal dike breaches but also river dike breaches have occurred, resulting in dam-break waves reaching far inland. Beyond the Netherlands...
master thesis 2022
document
Speerstra, Han (author)
Bed roughness is an important parameter for the prediction of sediment transport as well as calculating flow conditions near the bed. Numerical models are extensively used to make these predictions. In these models it is fundamental to have proper values for bed roughness. The bed roughness is being estimated using a dataset from an ongoing...
master thesis 2018
document
Van Maren, D.S. (author), Winterwerp, J.C. (author), Vroom, J. (author)
Deepening of estuarine tidal channels often leads to tidal amplification and increasing fine sediment import. Increasing fine sediment import, in turn, may lower the hydraulic drag (due to a smoother muddy bed and/or sediment-induced damping of turbulence), and therefore, further strengthen tidal amplification, setting in motion a process in...
journal article 2015
document
Hoan, N.T. (author), Booij, R. (author), Hofland, B. (author), Stive, M.J.F. (author), Verhagen, H.J. (author)
The current research is aimed at evaluating the applicability of a numerical flow model to predict bed damage. First, an experimental study was carried out to get more inside into the relation between flow forces acting on a bed and the bed response (damage). The experiments were then used as the basis for the evaluation. Second, the flow was...
conference paper 2008
document
Vermaas, D.A. (author)
Hydraulic roughness is a key factor in modeling open channel flow. The frictional effects of roughness elements are generally parameterized by a roughness coefficient, representative for the roughness of a grid cell in a model. Bed roughness can be very heterogeneous in practical situations. Especially in floodplains, the roughness height can...
master thesis 2008
document
Vuren, S. van. (author), Ottevanger, W. (author)
report 2006
document
Rijn, L.C. van (author), Walstra, D.J.R. (author), Ormondt, M. van. (author)
report 2004
document
Walstra, D.J.R. (author)
report 2004
document
Ardhuin, F. (author)
The transformation of surface gravity waves propagating through shallow regions is investigated with extensive field data from the North Carolina continental shelf. A spectral energy balance equation is derived for a bidimensional bottom topography with random small-scale irregularities, in which bottom friction is introduced heuristically whith...
report 2001
document
Kester, J.A.T.M. van (author), Uittenbogaard, R.E. (author), Stelling, G.S. (author)
report 1994
document
Grijsen, J.G. (author), Ogink, H.J.M. (author)
report 1986
document
Ogink, H.J.M. (author)
report 1986
document
Termes, A.P.P. (author), Vries, M. de (author), Kalkwijk, J.P.T. (author), Fredsoe, J. (author), Driegen, J. (author), Ogink, H.J.M. (author), Rijn, L.C. van (author), Wijbenga, J.H.A. (author)
report 1986
document
De Vries, M. (author)
In river engineering morphological predictions have to be made to study the implications of changes in a river system due to natural causes or human interference. It regards here time-depending processes. Characteristic parameters of the river have to be forecasted both in time and space. The morphological processes, however, are extremely...
report 1985
document
Karelse, M. (author)
report 1979
document
Karelse, M. (author)
report 1979
document
Koenis, J.P. (author)
report 1977
document
Koenis, J.P. (author)
report 1976
document
Koenis, J.P. (author)
report 1976
document
Mazijk, A. van (author)
report 1972
Searched for: subject%3A%22bed%255C%2Broughness%22
(1 - 20 of 28)

Pages

List view
Grid view