National Rotor Testbed

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First Power for SWiFT Turbine Achieved during Recommissioning

The Department of Energy's Scaled Wind Farm Technology (SWiFT) Facility reached an exciting milestone with the return to power production of the WTGa1 turbine (aka DOE/SNL #1) as part of a final series of commissioning tests. WTGa1 will complete all commissioning before the end of May 2016 after satisfactorily operating in high wind conditions. Turbines [...]

By | 2016-05-13T22:23:37+00:00 May 13th, 2016|Facilities, News, Renewable Energy, SWIFT, Wind Energy, Wind News|Comments Off on First Power for SWiFT Turbine Achieved during Recommissioning

Aerodynamic Wind-Turbine Blade Design for the National Rotor Testbed

The NRT blade shape as viewed from the tip and at an elevation angle of 30° above the suction surface. Sandia has designed a new wind-turbine blade for the National Rotor Testbed (NRT) project and for future experiments at the Scaled Wind Farm Technology (SWiFT) facility with a specific focus on scaled wakes. [...]

National Rotor Testbed Rotor Design Integrated Airfoil Performance Results

The National Rotor Testbed (NRT) team is examining the effect of airfoil choice on the final design of the new rotor for the Scaled Wind Farm Technology (SWiFT) facility. The airfoil family would ideally be designed to operate in the relevant SWiFT-scale Reynold’s number range, 1–2 million, and be experimentally verified. Two leading options have [...]

By | 2017-01-13T21:21:58+00:00 February 24th, 2015|Computational Modeling & Simulation, Energy, Facilities, News, News & Events, Renewable Energy, SWIFT, Systems Analysis, Wind Energy|Comments Off on National Rotor Testbed Rotor Design Integrated Airfoil Performance Results

The Influence of Rotor Blade Design on Wake Development

The National Rotor Testbed (NRT) includes research to quantify the degree to which the blade design load distribution influences the rotor near- and mid-wake velocity deficits and fluid structures. Wind-plant performance and the effects of turbine–turbine interaction have been identified as the primary research topics for the NRT blades. The wake deficit and fluid structures [...]

By | 2016-12-02T18:48:29+00:00 July 31st, 2014|Energy, Facilities, News, News & Events, Renewable Energy, SWIFT, Systems Analysis, Systems Engineering, Wind Energy|Comments Off on The Influence of Rotor Blade Design on Wake Development

National Rotor Testbed Functional Scaling Presented at American Institute of Aeronautics and Astronautics 2014 Scitech

Results of Vortex Method analysis of SWiFT rotor design. Colors show magnitude of velocity deficit. David Maniaci (in Sandia’s Wind Energy Technologies Dept.) traveled to National Harbor, Maryland, in January to present a paper at the American Institute of Aeronautics and Astronautics (AIAA) SciTech/American Society of Mechanical Engineers Wind Energy Symposium titled, “Definition of [...]

By | 2016-12-02T18:48:38+00:00 April 15th, 2014|Energy, Facilities, News, News & Events, Partnership, Renewable Energy, SWIFT, Systems Analysis, Wind Energy|Comments Off on National Rotor Testbed Functional Scaling Presented at American Institute of Aeronautics and Astronautics 2014 Scitech