Jason Cotrell
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View article: Wave energy conversion incorporating actuated geometry
Wave energy conversion incorporating actuated geometry Open
Described herein are wave energy conversion systems including actuated geometry components. An example system may include at least one body portion configured to transfer wave energy to a power take off device, and at least one actuated ge…
View article: Wind turbine blade testing system using base excitation
Wind turbine blade testing system using base excitation Open
An apparatus (500) for fatigue testing elongate test articles (404) including wind turbine blades through forced or resonant excitation of the base (406) of the test articles (404). The apparatus (500) includes a testing platform or founda…
View article: Base excitation testing system using spring elements to pivotally mount wind turbine blades
Base excitation testing system using spring elements to pivotally mount wind turbine blades Open
A system (1100) for fatigue testing wind turbine blades (1102) through forced or resonant excitation of the base (1104) of a blade (1102). The system (1100) includes a test stand (1112) and a restoring spring assembly (1120) mounted on the…
View article: Technologies Taking Us There
Technologies Taking Us There Open
Keynote presentation at the Iowa State Wind Energy Symposium. This presentation examines several cutting-edge technologies and research being performed by the National Renewable Energy Laboratory that is helping achieve the U.S. Department…
View article: Analysis of Supply Chains and Advanced Manufacturing of Small Hydropower Systems
Analysis of Supply Chains and Advanced Manufacturing of Small Hydropower Systems Open
Clean energy manufacturing is a sector of increasing importance both in the United States and worldwide. In the United States, it has been presented as an engine for job creation in a sector of the U.S. economy that was hit hard by the 200…
View article: 3D Concrete Printing Concept Could Solve Tall-Wind Dilemma
3D Concrete Printing Concept Could Solve Tall-Wind Dilemma Open
When building a wind turbine, you want to make it as tall as possible to capture stronger, faster winds aloft. But taller tower bases become too large to be transported over the road—a constraint that has kept average U.S. wind turbine hei…
View article: Wind Turbine Drivetrain Reliability Collaborative Workshop: A Recap
Wind Turbine Drivetrain Reliability Collaborative Workshop: A Recap Open
The Wind Turbine Drivetrain Reliability Collaborative Workshop was convened by the National Renewable Energy Laboratory (NREL), Argonne National Laboratory, and the U.S. Department of Energy to explore the state of the art in wind turbine …
View article: Enabling Wind Power Nationwide
Enabling Wind Power Nationwide Open
Leveraging this experience, the U.S. Department of Energy’s (DOE’s) Wind and Water Power Technologies Office has evaluated the potential for wind power to generate electricity in all 50 states. This report analyzes and quantifies the geogr…