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    • Pump Station 15 CFD Models
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    • Thames Tideway Tunnel
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All 15 /CFD modeling 8 /CFD modeling of the dam’s tailrace 1 /CFD modeling to reduce total dissolved gas (TDG) 6 /Fish collector 1 /Fish passage design 7 /River hydraulics/modeling 9 /River modeling 1 /Sediment transport & samples 4 /Single-beam bathymetry 1 /Stormwater conveyance 1 /Total dissolved gas CFD modeling 1 /Velocity 1 /Wave energy device testing 1

Pump Station 15 CFD Models

IIHR researchers worked with Pumping Station 15 in Madison Wisconsin as they retrofitted their pump to handle an increased capacity.
A CFD Model in rainbow colors

Wanapum Dam

IIHR researchers have developed a culvert design that prevents blockage by sedimentation and vegetation. This self-cleaning system flushes out sediment deposits using the power of the stream flow itself.
Closeup view of Fish ladder at Wanapum Dam

Self-Cleaning Culverts for Sedimentation Control

IIHR researchers have developed a culvert design that prevents blockage by sedimentation and vegetation. This self-cleaning system flushes out sediment deposits using the power of the stream flow itself.
Morning sunlight floods a view of a three-box self-cleaning culvert.

Wind Energy

IIHR research is working to better understand how weather conditions affect the performance of wind turbines — crucial information needed to build more accurate turbine flow models and optimize operation of turbines in less than ideal conditions.
Wind turbines against a dramatic sky at dusk.

McNary Dam

IIHR provided hydraulic modeling and analysis to improve the design of fish passage structures for many hydroelectric dams, including Priest Rapids on the Columbia River.
CFD modeling image of the McNary Dam

Cowlitz Falls Dam Fish Collector

IIHR provided hydraulic modeling and analysis to improve the design of fish passage structures for many hydroelectric dams, including Priest Rapids on the Columbia River.
A view of Riffe Lake near the Cowlitz Falls Dam.

Box Canyon Dam

Pend Oreille Public Utility District contracted IIHR to provide hydraulic modeling and analysis to improve the design of fish passage structures for its hydroelectric dams, including Box Canyon.

Total Dissolved Gas Modeling

Total dissolved gas can be fatal for fish migrating through a hydropower tailrace and the river downstream. IIHR uses sophisticated computer simulations to develop strategies that will minimize TDG at hydropower dams and save fish.
CFD modeling image of TDG

Brownlee Dam

Idaho Power contracted IIHR to provide hydraulic modeling and analysis to improve the design of fish passage structures for its hydroelectric dams, including the Brownlee Dam.

Cardinal Power Plant

AEP sought IIHR’s expertise to assess river hydraulics and complex flow patterns in the Ohio River near the Cardinal Power Plant. The project goal was to study the feasibility of installing submerged screens in the cooling water intake forebay to meet EPA requirements for fish impingement and entrainment.
A computational fluid dynamics graphic of flow in the forebay of the Cardinal Power Plant.

Hells Canyon Dam

IIHR constructed a large-scale physical model of the Hells Canyon Dam to test proposed fish-passage structures. This laboratory model complemented IIHR’s advanced CFD capabilities to simulate performance of fish passage facilities.
A view of the Hells Canyon Dam and nearby highway, courtesy of Prof. Kevin Pogue

Metropolitan St. Louis Sewer District

IIHR has extensive experience solving water issues, including the reduction of air in sewer systems. With Jacobs Engineering and the Metropolitan St. Louis Sewer District, IIHR constructed a physical model that includes a vortex dropshaft that, when constructed, will be one of the largest in the world at 20 feet in diameter.
A close-up view of water flowing through a dropshaft.

Priest Rapids Dam

IIHR provided hydraulic modeling and analysis to improve the design of fish passage structures for many hydroelectric dams, including Priest Rapids on the Columbia River.
Aerial photo of the Priest Rapids Dam.

Thames Tideway Tunnel

IIHR was a key partner in the massive effort to make London’s sewer system fit for a world-class capital city—one of the largest wastewater infrastructure projects in the world.
Construction equipment in the river near the British Parliament.

Wave Energy Converters

The U.S. Department of Energy (DOE) selected IIHR—Hydroscience & Engineering (IIHR), more than a thousand miles from any ocean, as a test facility for its prestigious Wave Energy Prize competition.
The IIHR Wave Basin was used for wave energy converter testing.

Address

IIHR—Hydroscience & Engineering
The University of Iowa
100 C. Maxwell Stanley Hydraulics Lab
Iowa City, IA 52242

Email IIHR
Office: 319-335-5237
Fax: 319-335-5238

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