Incorporation of the effects of accelerating flow in the design of granular bed protections

For the design of granular bed protections often a stability parameter is used. The stability parameter represents the forces that are acting on the stones and is used to predict the response of the bed to these forces. Existing parameters are often derived for a limited range of application. When the parameter is used outside this range, the...

Stone stability under decelerating open-channel flow

The current research is aimed at finding a proper relation between flow forces acting on the bed and the bed response. To this end, experiments were carried out in which both the bed response (quantified by a dimensionless entrainment rate) and the flow field (velocity and turbulence intensity distributions) are measured. The three available...

Stone stability under non-uniform flow

The current research is aimed at finding a dimensionless stability parameter for non-uniform flow in which the effect of turbulence is incorporated. To this end, experiments were carried out in which both the bed response (quantified by a dimensionless entrainment rate) and the flow field (velocity and turbulence intensity distributions) are...

Steenstabiliteit bij horizontale vernauwing

In een stroomgoot is modelonderzoek gedaan naar de steenstabiliteit van een bodembescherming bij waterbouwkundige konstrukties. Onderzoek naar de grootte en lokatie van de stroomaanvallen kan leiden tot belangrijke besparingen in de kosten van aanleg en onderhoud van bodembeschermingen. Onderzoek is gedaan naar konstrukties die de stroming...