A Lagrangian Model for Surface Buoyant Jets

by Maneesha Joshi, SUNY, Buffalo, United States,
J. F. Atkinson, (A.M.ASCE), SUNY, Buffalo, United States,



Document Type: Proceeding Paper

Part of: Hydraulic Engineering

Abstract:

A model is developed to predict the trajectory of a surface buoyant discharge into a large receiving water body. A Lagrangian approach is used to trace the path of a `control volume' of spreading fluid. The governing equations include effects due to buoyancy, entrainment, cross flow, wind, bottom drag and Coriolis acceleration. Spreading is calculated based on a `convective regime' assumption. The sensitivity of various parameters is investigated by a systematic variation of parameters. Model predictions are compared with previous model predictions of experimental data.



Subject Headings: Jets (fluid) | Data processing | Lagrangian functions | Terrain models | Buoyancy | Water discharge | Parameters (statistics) | Equations of motion

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