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PUBLICATION NOTICE: Validation of Numerical Modeling for Flows near Draghead in Operation

US Army Engineer Research and Development Center
Published Sept. 10, 2019

The US Army Engineer Research and Development Center has published the report/note described and linked below. Approved for public release; distribution is unlimited.

Report Number:

ERDC/CHL CHETN-V-24

Title:

Validation of Numerical Modeling for Flows near Draghead in Operation

Author(s):

Morgan M. Johnston and Allen Hammack

Purpose/Abstract:

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.

13 pgs / 2.2 mb

CLASSIFICATION: UNCLASSIFIED


ERDC is a diverse research organization with approximately 2,000 employees operating more than $1 billion in world class facilities at seven laboratories. Its annual program exceeds $1 billion as it supports the Department of Defense and other agencies in military and civilian projects. Principal research areas include Soldier support, Engineered Resilient Systems, Environmental Quality and Installations, Geospatial Research and Engineering, Military Engineering, and Water Resources.  “Discover ▪ Develop ▪ Deliver” ERDCinfo@usace.army.mil


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Release no. 19-101