Posts by Alden Lab
A Fisheries Biologist Gets Antsy
January 29, 2021When 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
July 28, 2020This 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
July 12, 2017Searching 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]
June 27, 2017In 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
May 26, 2017Flood 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]
May 15, 2017Part 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
May 9, 2017As 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]
April 18, 2017During 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
February 7, 2017There 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?
December 15, 2016Using three-dimensional computational fluid dynamics (CFD) tools have become common practice for evaluating and testing ...
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