Please use this identifier to cite or link to this item: https://hdl.handle.net/11681/10615
Title: Feasibility study of a numerical tow model
Authors: United States. Assistant Secretary of the Army (R & D)
Ankeny, Thomas D.
Huval, C. J.
Daggett, Larry L.
Keywords: Barges
Model basins
Feasibility studies
Towboats
Mathematical models
Numerical models
Tows and towing
Publisher: Hydraulics Laboratory (U.S.)
Engineer Research and Development Center (U.S.)
Series/Report no.: Miscellaneous paper (U.S. Army Engineer Waterways Experiment Station) ; H-78-11.
Description: Miscellaneous Paper
Abstract: The objective of the study described in this report was to explore the feasibility of developing a numerical hydrodynamic model of a typical push towboat-barge combination for use in engineering planning and design studies. Such a model might be used to simulate tow movements in restricted waterways in critical river reaches such as bends, bridges, and near navigation locks and dams to determine the adequacy and/or economic efficiency of channel designs. A literature search was conducted and it was found that no information was available at the beginning of this study on numerical models of tow hydrodynamics or on towing tank or prototype tests of the maneuverability of tows. During the course of the study several numerical models did become available and further research in this area was initiated by the U.S. Coast Guard Research and Development office. This work is described herein. Since no information was available for the development or testing of a numerical tow maneuvering model, a series of measurements were made of radio-controlled scale model tows used in physical model studies at the Waterways Experiment Station as they executed standard ship hydrodynamic maneuvers. Data from these measurements and computations were used to determine estimates of hydrodynamic coefficients of a linear model of ship maneuverability. It was found that it is feasible to predict tow maneuvers using a numerical model of tow maneuverability; however, additional measurements of tow response characteristics are required before a model that would be useful in engineering studies can be developed. Comparisons of such a model with recent measurements of full-scale tow maneuvers could demonstrate the validity of this model.
Rights: Approved for public release; distribution is unlimited.
URI: http://hdl.handle.net/11681/10615
Appears in Collections:Miscellaneous Paper

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