Current wind farm technology requires a lot of space between blades. A new report proposes that "counter-rotating vertical-axis wind turbines" would draw power more efficiently on less land.
Hamish Pritchard at BBC News explains that although the vertical-axis turbines are "less efficient individually than the propeller-style turbines, they are able to use turbulent winds from many directions." The technology is currently being tested in the California desert by engineers from CalTech.
The "school of fish" influence is reflected in the momentum gained, rather than lost, by clumping the turbines close together. Current blades are less efficient when close together because of turbulence, but the new turbines benefit from the funneled wind because they can gather gusts from all directions. The next step for CalTech's team is to see if the effect will work on a larger scale.
FULL STORY: Schools of fish help squeeze more power from wind farms
How Would Project 2025 Affect America’s Transportation System?
Long story short, it would — and not in a good way.
California Law Ends Road Widening Mandates
Housing developers will no longer be required to dedicate land to roadway widening, which could significantly reduce the cost of construction and support more housing units.
But... Europe
European cities and nations tend to have less violent crime than the United States. Is government social welfare spending the magic bullet that explains this difference?
California Room to Roam Act Prioritizes Wildlife Connectivity
A new state law requires new development and infrastructure to minimize disruption to local wildlife habitats and migration patterns.
Oregon Releases Historic Preservation Plan for Next Decade
A plan from the state’s State Historic Preservation Commission outlines priorities for preserving Oregon’s cultural and historic resources.
Austin’s Vision for I-35 Cap Parks Takes Final Shape
The city’s plan includes parks, entertainment pavilions, commercial space, sports fields, and other facilities over 30 acres of deck parks spanning a sunken Interstate 35.
Urban Design for Planners 1: Software Tools
This six-course series explores essential urban design concepts using open source software and equips planners with the tools they need to participate fully in the urban design process.
Planning for Universal Design
Learn the tools for implementing Universal Design in planning regulations.
Placer County
Mayors' Institute on City Design
City of Sunnyvale
HUDs Office of Policy Development and Research
Mpact (formerly Rail~Volution)
Cornell University's College of Architecture, Art, and Planning (AAP), the Department of City and Regional Planning (CRP)
Lehigh Valley Planning Commission
City of Portland, ME
Baton Rouge Area Foundation