A Fisheries Biologist Gets Antsy
A Fisheries Biologist Gets Antsy
January 29, 2021

When the phrase "I'm getting antsy to work with fish" lands in your inbox, you quickly realize that a sentiment as genui...

Wet Stack Design FAQ
Wet Stack Design FAQ
July 28, 2020

  This article was first published on March 29, 2020 and has been updated. As leading Wet Stack experts, we get a lot of...

Eel Shining to Locate Upstream Passage Routes
Eel Shining to Locate Upstream Passage Routes
July 12, 2017

Searching for eels is an activity reserved for those who like to stay up late. Only under the cover of darkness is one a...

Energy Dissipating Devices: Total Dissolved Gas (TDG) Production at High Head Dams [Part 3]
Energy Dissipating Devices: Total Dissolved Gas (TDG) Production at High Head Dams [Part 3]
June 27, 2017

In Part 1 and Part 2 of this series we talked about production of total dissolved gas (TDG) at high head dams, and the u...

Takeaways from the Association of State Floodplain Managers Conference
Takeaways from the Association of State Floodplain Managers Conference
May 26, 2017

Flood control testing conducted at Alden for America’s One World Trade Center flood protection barrier. During the first...

Air Supply Ramps and Cavitation: Total Dissolved Gas (TDG) Production at High Head Dams [Part 2]
Air Supply Ramps and Cavitation: Total Dissolved Gas (TDG) Production at High Head Dams [Part 2]
May 15, 2017

Part 1 of this series outlined how high concentrations of total dissolved gas (TDG) can occur downstream from high head ...

The Economics of Hydro Turbine Performance Testing
The Economics of Hydro Turbine Performance Testing
May 9, 2017

As a hydropower electric power generating utility, how do I know when I should, or should not, invest in my equipment? T...

Improving Water Quality: Total Dissolved Gas (TDG) Production at High Head Dams [Part 1]
Improving Water Quality: Total Dissolved Gas (TDG) Production at High Head Dams [Part 1]
April 18, 2017

During spill season at hydroelectric dams, more water flows into the upstream reservoir than can be used to generate ele...

Pumped Energy Storage: Old Technology, New Demand
Pumped Energy Storage: Old Technology, New Demand
February 7, 2017

There is an interesting past and new future for the world’s largest batteries. For decades pumped storage plants have he...

Are 3D Computational Models Good Enough for Gas-Fired Emissions Control Systems?
Are 3D Computational Models Good Enough for Gas-Fired Emissions Control Systems?
December 15, 2016

Using three-dimensional computational fluid dynamics (CFD) tools have become common practice for evaluating and testing ...