Author(s): J. W. Kamphuis

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Keywords: No Keywords

Abstract: Hydraulic problems have traditionally been studied with physical (hydraulic) models. Model scales are based on the assumptions that the equations and dimensionless functional relationships apply equally to a prototype and model. Since it is not possible to satisfy all the scaling relationships most physical models contain Scale Effects and because physical models are expected to simulate complicated prototype conditions with simple modelling tools, they also contain Laboratory Effects. Physical models are used because they simulate the prototype better than either the equations or the dimensionless functions on which they are based. Dimensional analysis describes a process in general form - physical models give detail. Physical models also automatically include many non-linear and complex processes and boundary conditions that are not clearly understood and therefore cannot yet be adequately expressed by equations.

DOI:

Year: 1995