Author(s): Zhaoyin Wang; Wolfgang Kron

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Abstract: The problem of time distortion and its effect on the similarity between sediment scale models and their prototypes is studied both theoretically and experimentally. The average velocity in the lower section of a time-distorted model often deviates from the scaled up prototype value, when unsteady flow processes are simulated. Observed dissimilar erosion or sedimentation rates can be attributed to this time distortion.

DOI: https://doi.org/10.1080/00221689109499001

Year: 1991