Flow Field Near an Inland Navigation Tow

by Stephen T. Maynord, US Army Engineer Waterways, Experiment Station, Vicksburg, United States,
Terry S. Siemsen, US Army Engineer Waterways, Experiment Station, Vicksburg, United States,



Document Type: Proceeding Paper

Part of: Hydraulic Engineering

Abstract: As a vessel moves through a body of water, disturbances are created in the form of altered water levels such as waves or drawdown and altered flow fields such as increased velocities and turbulence intensity. Concerns about the environmental effects of these disturbances have been raised, particularly on waterways where the frequency, size, and/or power of the tow traffic is expected to increase. Studies were conducted to develop a better understanding of the flow field beneath and immediately beside an inland navigation tow. For tows that are underway, the propeller jet is not the only mechanism that creates significant velocities near the channel bottom. Wake flows behind the tow and displacement flows beneath and beside the barges produce significant bottom velocities.

Subject Headings: Wave velocity | Water flow | Waterways | Water transportation | Field tests | Navigation (geomatic) | Channel flow

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