Squeeze play

Grooves funnel wind to increase its speed while turbines spin to generate power
Date:29 September 2012 Tags:, ,

No disrespect to veteran baseballer Shin-Soo Choo, but the Cleveland Indians decided they needed more power in right field. Working with engineers at Cleveland State University, Progressive Field’s owners installed a corkscrew-shaped structure in the stadium housing four mini turbines that are expected to generate 25 000 kilowatt-hours of electricity per year. The design funnels wind into the turbines, allowing them to generate power on even relatively calm days. This will augment energy from solar panels installed at the stadium in 2007. – Alex Hutchinson

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