Validation of Numerical Modeling for Flows near Draghead in Operation

Abstract

BACKGROUND: Fish and other aquatic species occasionally become entrained in dredges during operation. To better predict the likelihood of this entrainment occurring, the U.S. Army Corps of Engineers, San Francisco District, contacted the U.S. Army Engineer Research and Development Center (ERDC) to conduct a numerical model study to determine the flow behavior surrounding a draghead during operation. The validation data were taken from a previously completed 1:7-scale physical model study of a California draghead.1 The numerical model study was completed by validating the numerical modeling process and then performing simulations at prototype scale to provide appropriate velocity measurements in the field. This report focuses on the numerical modeling process and validation portion of the numerical model.

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Document Details

Document Type
Technical Report
Publication Date
Sep 01, 2019
Accession Number
AD1080036

Entities

People

  • Allen Hammack
  • Morgan M. Johnston

Organizations

  • Engineer Research and Development Center

Tags

Communities of Interest

  • Energy and Power Technologies

DTIC Thesaurus Topics

  • Boundary Layer
  • Computational Fluid Dynamics
  • Engineering
  • Equations
  • Flow
  • Flow Fields
  • Fluid Mechanics
  • Geometry
  • Measurement
  • Physics Laboratories
  • Pressure Distribution
  • Shallow Water
  • Simulations
  • Three Dimensional
  • Turbulence
  • Turbulent Flow
  • Two Dimensional

Readers

  • Coastal and Marine Engineering/Sediment Transport/Hydraulic Engineering
  • Computational Fluid Dynamics (CFD)