Titlebook: Wastewater Hydraulics; Theory and Practice Willi H. Hager Book 2010Latest edition Springer-Verlag Berlin Heidelberg 2010 conduit choking.cu

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Critical Flow,w parameters..As an application of the critical flow principle, the transition from a mild to a steep sewer reach is described. This relevant problem can, for all practical purposes, be presented with the aid of simplified relations.

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Basic Equations,ed..Lastly, the energy principle is presented and a few simple conclusions with regard to the energy flux are derived. The discussion of results refers, in particular, to the similarity between the hydraulic and the hydrodynamic approaches.

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Constitution

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Standard Manhole,le. The manhole flow for both free surface and pressurized flows is described and loss coefficients in terms of manhole geometry are specified for pressurized manhole flow. The choking features of manhole flow are also considered.

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Hydraulic Jump and Stilling Basins,, relevant outlet structures are presented. The difference between the hydraulic jump and the stilling basin is explained. Subsequently a number of standard basin types are described and finally cases are enumerated which can lead to unplanned energy dissipation.

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