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In this video we demonstrate an analysis involving a free falling flow. This was necessary to characterize the velocity profile at the surface of an inlet. It also gives a visual to a flow that is occurring at a rapid rate. Simulation was performed in Star-CCM+.
Hurricane wave interaction with old I-10 Escambia Bay Bridge
This is the classical dam break test case, for assessing VOF models. One can see the very detailed VOF interface modeled with STAR-CCM+. Forces on the obstacle are being monitored along time as well.
U.S. Army Corps of Engineers, Portland District (CENWP) operates the Bonneville Lock and Dam Project on the Columbia River. High spill discharges that occurred during 2011 moved a large volume of rock from downstream of the spillway apron to the stilling basin and apron. Although 400 cubic yards of rocks were removed from the stilling basin, there are still large volumes of rock downstream of the apron that could, under certain flow conditions, move upstream into the stilling basin. CENWP is investigating operational changes that could be implemented to minimize future movement of rock into...
A simulation using STAR-CCM+ observing the effects of water in a bellmouth spillway (scaled 1:50 ) in three dimensions. Simulation was performed using the volume of fluid (VOF) model with a time step of 0.001s and a mesh of around 4mm.
Courtesy of Image shows the velocity magnitude of the flow over a stepped spillway case from a workshop on Physical and Numerical Hydraulic Modeling
Image courtesy of Bureau of Technics, Russia. 2015 Calendar Contest Runner-up. Analysis of the design stage of HVAC systems: Investigation allows to find air parameters near spectators and air flow effects on ice surface.
Simulation of flow in a dam spillway
Simulation of flow in a dam spillway
This is a presentation delivered at AUSA 2015 by CD-adapco
Numerical Investigations of Deposit Formation in SCR Systems
Selective Catalytic Reduction (SCR) is widely used within industry to help meet the challenging nitric oxide (NOx) emission requirements for diesel engines. There are a number of important criteria necessary for designing an efficient SCR system, including fast mixture preparation of the liquid urea-water solution and high ammonia uniformity at the SCR device. However, one problem that threatens the life and performance of the system is urea deposit formations. The deposits can generate backpressure, material deterioration causing decrease in engine and emission performance of the SCR device...