Searched for: subject%3A%22bed%255C%2Btopography%22
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document
Smale, A.J. (author)
Many morphological models that are in use today, make use of spatially constant grain sizes and bed roughness. Application of this spatially constant grain size and bed roughness is not a correct representation of reality. When making use of actually measured grain sizes, the prediction of the morphological changes does not necessarily improve....
master thesis 2000
document
Talmon, A.M. (author)
Flow equations for application in river bends are derived. Coordinate transformations are achieved by tensor calculus. The momentum equations are formulated in a cylindrical coordinate system and in a cylindrical bed-following coordinate system. The depth-averaged momentum equations in a cylindrical bed-following coordinate system are derived....
report 1992
document
Talmon, A.M. (author), De Graaff, J. (author)
A suspended sediment transport experiment in a straight flume with a mobile bed is reported. The bed topography is non-horizontal. The flow is steady. Due to an obstruction in the entrance a steady bed oscillation is generated. The bed topography is measured by means of manual bed soundings (by Delft Hydraulics). Suspended sediment...
report 1991
document
Talmon, A.M. (author), De Graaff, J. (author)
A laboratory experiment in a 180 degree curved flume with a mobile bed and suspended sediment transport is reported. The flow is steady. The bed topography is measured by means of a profile indicator. Free and forced alternating bars are present. The steady part of the bed topography, which is forced by curvature, is characterized by a below...
report 1991
document
Talmon, A.M. (author), De Graaff, J. (author)
A laboratory experiment in a 180 degree curved flume with a mobile bed and suspended sediment transport is reported. The flow is steady. The bed topography is measured by means of a profile indicator. Free and forced alternating bars are present. The steady part of the bed topography, which is forced by curvature, is characterized by a below...
report 1991
document
Talmon, A.M. (author), De Graaff, J. (author)
A laboratory experiment in a 180 degree curved flume with a mobile bed and suspended sediment transport is described. The flow is steady. The bed topography is measured by means of a profile indicator. The bed topography is characterized by a slowly damped oscillation of the transverse bed slope. Downstream of the bend entrance a pool and a...
report 1989
document
Talmon, A.M. (author)
A laboratory experiment in a 180 degree curved flume with a mobile bed and suspended sediment transport is described. The flow is steady. The aim the of experiment is to obtain data on the axi-symmetrical region. The bed topography is measured by means of a profile indicator. Downstream of the bend entrance a pool and a submerged point-bar are...
report 1989
document
Talmon, A.M. (author), Marsman, E.R.A. (author)
A laboratory experiment in a 180 degree curved flume with a mobile bed and suspended sediment transport is described. The flow is stationary. The main purpose of the experiment is to provide data to calibrate and test morphological models for river bend flow with suspended sediment. The bed topography is measured by means of an profile indicator...
report 1988
document
Beck, S.M. (author)
A new model for bed topography is developed herein which accounts for phase lag and the influence of the width to depth ratio. This model is used to analyze four sets of data: two from laboratory channels and two from natural channels. Good agreement is found between the actual and the predicted bed topography. An iterative, two-dimensional...
report 1988
document
Talmon, A.M. (author), Marsman, E.R.A. (author)
In this report the results of a bed-load experiment in a curved flume are presented. The experiments have been carried out in the Laboratory of Fluid Mechanics (L.F.M.) at the Delft University of Technology. The main object of the experiments is to develop and to test data-acquisition procedures for future suspended-load experiments. At the same...
report 1988
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