Sandia Energy > Programs > Renewable Energy > Wind Energy > Wind Publications Innovative Vertical Axis Wind Turbine Brandon L. Ennis, D. Todd Griffith. System Levelized Cost of Energy Analysis for Floating Offshore Vertical-Axis Wind Turbines, SAND2018-9131. Todd Griffith, M. Barone, J. Paquette, B. Owens, D. Bull, C. Simao-Ferriera, A. Goupee, and M. Fowler. Design Studies for Deep-Water Floating Offshore Vertical Axis Wind Turbines, SAND2018-7002. Chad Searcy, Steve Perryman, Dilip Maniar, D. Todd Griffith, Brandon L. Ennis. Optimal Floating Vertical-Axis Wind Turbine Platform Identification, Design, and Cost Estimation, SAND2018-9085 Floating Offshore Vertical-Axis Wind Turbine Project Summary; International Offshore Partnering Forum, Princeton, N.J., April 3-6, 2018. SAND2018-3338 O. Ferriera, C. S., Madsen, H. A., Barone, M., Roscher, B., Deglaire, P. and Arduin I., “Comparison of aerodynamic models for Vertical Axis Wind Turbines,” Journal of Physics: Conference Series, Vol 524, 2014. Owens, B. C., Griffith, D. T. and Hurtado, J. E., “Modal Dynamics and Stability of Large Multi-megawatt Deepwater Offshore Vertical-axis Wind Turbines: Initial Support Structure and Rotor Design Impact Studies,” 32nd ASME Wind Energy Symposium, National Harbor, MD, January 13-17, 2014. Innovative Offshore Vertical-Axis Wind Turbine Rotors Sutherland, H.J., Berg, D.E., and Ashwill, T.D., “A Retrospective of VAWT Technology,” Sandia National Laboratories Technical Report, SAND2012-0304, January 2012. Owens, B., Hurtado, J., Barone, M., and Paquette, J., “An Energy Preserving Time Integration Method for Gyric Systems: Development of the Offshore Wind Energy Simulation Toolkit” Proceedings of the European Wind Energy Association Conference & Exhibition. Vienna, Austria, 2013. Owens, B.C., Hurtado, J.E., Paquette, J., Griffith, D.T., and Barone, M., “Aeroelastic Modeling of Large Offshore Vertical-axis Wind Turbines: Development of the Offshore Wind Energy Simulation Toolkit,” 54th AIAA/ASME/ASCE/AHS/ASC Structures, Structural Dynamics, and Materials Conference, April 8–11, 2013, Boston, MA, USA, AIAA-2013-1552. Owens, B.C., Griffith, D.T., and Hurtado, J.E., “Modal Dynamics and Stability of Large Multi-megawatt Deepwater Offshore Vertical-axis Wind Turbines: Initial Support Structure and Rotor Design Impact Studies,” 32nd ASME Wind Energy Symposium, National Harbor, MD, USA, January 2014. Ragni, D., Simao-Ferreira, C., and Barone, M., “Experimental and Numerical Investigation of an Optimized Airfoil for Vertical Axis Wind Turbines,” 32nd ASME Wind Energy Symposium, National Harbor, MD, USA, January 2014. Fowler, M.J., Owens, B.C., Goupee, A.J., Hurtado, J.E., Griffith, D.T., and Alves, M., “Hydrodynamic Module Coupling in the Offshore Wind Energy Simulation (OWENS) Toolkit,” Proceedings of the 33rd ASME International Conference on Ocean, Offshore and Arctic Engineering (OMAE2014), June 8–13, 2014, San Francisco, California, USA, Paper OMAE2014-24175. Owens, B.C., and Griffith, D.T., “Aeroelastic Stability Investigations of Large-scale Vertical Axis Wind Turbines,” Journal of Physics Conference Series, Science of Making Torque from Wind Conference, June 18–20, 2014, Lyngby, Denmark. Fowler, M., Bull, D., and Goupee, A, “A Comparison of Platform Options for Deep-water Floating Offshore Vertical Axis Wind Turbines: An Initial Study,” Sandia National Laboratories Technical Report, SAND2014-16800, August 2014. National Rotor Testbed Brandon Lee Ennis and Joshua Paquette, “NRT Rotor Structural/Aeroelastic Analysis for the Preliminary Design Review,” Sandia National Laboratories, Albuquerque, NM, SAND2015-9358, Oct. 2015. Brian Resor and David Maniaci, “Definition of the National Rotor Testbed: An Aeroelastically Relevant Research-Scale Wind Turbine Rotor,” presented at the 32nd ASME Wind Energy Symposium, 2014, SAND2013-10747C. Rotor Reliability Wind Plant Reliability & Analysis Hines, Valerie Ann, Alstair B. Ogilvie, and Cody R. Bond. “Continuous Reliability Enhancement for Wind (CREW) database: wind plant reliability benchmark,” (Albuquerque, NM: Sandia National Laboratories, SAND2013-7288, Sept. 2013). Composite Metals Research Miller, D. A., D. D. Samborsky, and B. L. Ennis Mechanical Testing Summary: Optimized Carbon Fiber Composites in Wind Turbine Blade Design, (Albuquerque, NM: Montana State University and Sandia National Laboratories, SAND2019-10780, Sept. 2019). John F. Mandell et al. Analysis of SNL/MSU/DOE Fatigue Database Trends for Wind Turbine Blade Materials, 2010-2015, (Albuquerque, NM: Sandia National Laboratories, SAND2016-1441, Feb. 2016). John F. Mandell et al. Analysis of SNL/MSU/DOE fatigue database trends for wind turbine blade materials, (Albuquerque, NM: Sandia National Laboratories, SAND2010-7052, Dec. 2010). Optimized Carbon Fiber Composites Ennis, Brandon L., Christopher L. Kelley, Brian T. Naughton, Robert E. Norris, Sujit Das, and Dominic Lee. Optimized Carbon Fiber Composites in Wind Turbine Blade Design, (Albuquerque, NM: Sandia National Laboratories, SAND2019-14173, Nov. 2019). Ennis, B. L., R. E. Norris, S. Das, and Miller, D. A. “Evaluation of Low-Cost Carbon Fiber Materials for Use in Wind Turbine Blade Design Seminar.” Special Seminar, CW2019, Knoxville, TN, Nov. 19, 2019.ptimized Carbon Fiber Composites Structural Health Monitoring Griffith, D. T., N. Yoder, B. R. Resor, J. White, J. Paquette, A. Ogilvie and V. Peters, “Prognostic Control to Enhance Offshore Wind Turbine Operations and Maintenance Strategies.” Proceedings of the European Wind Energy Conference Annual Event, Scientific Track, Copenhagen, Denmark, April 16–19, 2012. Griffith, D. T., N. C. Yoder, B. R. Resor, J. R. White, and J. A. Paquette, Structural Health and Prognostics Management for Offshore Wind Turbines: An Initial Roadmap, (Albuquerque, NM: Sandia National Laboratories;SAND2012-10109, Dec. 2012). Myrent, N., J. Kusnick, N. Barrett, D. Adams, and D. T. Griffith, Structural Health and Prognostics Management for Offshore Wind Turbines: Case Studies of Rotor Fault and Blade Damage with Initial O&M Cost Modeling, (Albuquerque, NM: Sandia National Laboratories, SAND2013-2735, April 2013). Myrent, N. J., J. F. Kusnick, D. E. Adams, and D. T. Griffith, “Pitch Error and Shear Web Disbond Detection on Wind Turbine Blades for Offshore Structural Health and Prognostics Management.” 54th AIAA/ASME/ASCE/AHS/ASC Structures, Structural Dynamics, and Materials Conference, Boston, MA, USA, April 8–11, 2013, AIAA-2013-1695. Griffith, D. T., N. C. Yoder, B. R. Resor, J. R. White, and J. A. Paquette, “Structural Health and Prognostics Management for the Enhancement of Offshore Wind Turbine Operations and Maintenance Strategies,” Wind Energy, Sept. 2013, (DOI: 10.1002/we.1665). Myrent, N., Griffith, D.T., et al., “Aerodynamic Sensitivity Analysis of Rotor Imbalance and Shear Web Disbond Detection Strategies for Offshore Structural Health Prognostics Management of Wind Turbine Blades,” 32nd ASME Wind Energy Symposium, National Harbor, MD, USA, January 2014. Kusnick, J., D. E. Adams, and D. T. Griffith, “Wind Turbine Rotor Imbalance Detection Using Nacelle and Blade Measurements.” Wind Energy, Jan. 2014 (DOI: 10.1002/we.1696). Richards, P. W., D. T. Griffith, and D. H. Hodges, “Structural Health and Prognostic Management: Operating Strategies and Design Recommendations for Mitigating Local Damage Effects in Offshore Turbine Blades.” 70th American Helicopter Society Annual Forum & Technology Display, Montreal, Quebec, Canada, May 20–22, 2014. Richards, P. W., D. T. Griffith, and D. H. Hodges, “High-fidelity Modeling of Local Effects of Damage for Derated Offshore Wind Turbines.” Journal of Physics Conference Series, Science of Making Torque from Wind Conference, Lyngby, Denmark, June 18–20, 2014. Myrent, N. J., N. C. Barrett, D. E. Adams, and D. T. Griffith, Structural Health and Prognostics Management for Offshore Wind Turbines: Sensitivity Analysis of Rotor Fault and Blade Damage with O&M Cost Modeling, (Albuquerque, NM: Sandia National Laboratories, SAND2014-15588, July 2014). Griffith, D. T., Structural Health and Prognostics Management for Offshore Wind Plants: Final Report of Sandia R&D Activities, (Albuquerque, NM: Sandia National Laboratories, SAND2015-2593, March 2015). Offshore Publications Brandon L. Ennis, D. Todd Griffith. System Levelized Cost of Energy Analysis for Floating Offshore Vertical-Axis Wind Turbines, SAND2018-9131. Todd Griffith, M. Barone, J. Paquette, B. Owens, D. Bull, C. Simao-Ferriera, A. Goupee, and M. Fowler. Design Studies for Deep-Water Floating Offshore Vertical Axis Wind Turbines, SAND2018-7002. Chad Searcy, Steve Perryman, Dilip Maniar, D. Todd Griffith, Brandon L. Ennis. Optimal Floating Vertical-Axis Wind Turbine Platform Identification, Design, and Cost Estimation, SAND2018-9085 Floating Offshore Vertical-Axis Wind Turbine Project Summary; International Offshore Partnering Forum, Princeton, N.J., April 3-6, 2018. SAND2018-3338 O. Ferriera, C. S., Madsen, H. A., Barone, M., Roscher, B., Deglaire, P. and Arduin I., “Comparison of aerodynamic models for Vertical Axis Wind Turbines,” Journal of Physics: Conference Series, Vol 524, 2014. Owens, B. C., Griffith, D. T. and Hurtado, J. E., “Modal Dynamics and Stability of Large Multi-megawatt Deepwater Offshore Vertical-axis Wind Turbines: Initial Support Structure and Rotor Design Impact Studies,” 32nd ASME Wind Energy Symposium, National Harbor, MD, January 13-17, 2014. Jason Magalen, Craig Jones, and Jesse Roberts, Offshore Wind Guidance Document: Oceanography and Sediment Stability, Development of a Conceptual Site Model, SAND2014-15239 SWiFT Facilities Publications WTRIM Wind Barrier Siting and Mitigation Karlson, B., LeBlanc, B., Minster, D., Estill, D., Miller, B., Busse, F., Keck, C., Sullivan, J., Brigada, D., Parker, L., Younger, R., Biddle, J., IFT&E Industry Report: Wind Turbine-Radar Interference Test Summary, SAND2014-19003. Blade Treatments McDonald, J., Brock, B., Allen, S., Clem, P., Paquette, J., Patitz, W., Miller, W., Calkins, D., Loui, H., Radar-Cross-Section Reduction of Wind Turbines (Part 1), SAND2012-0480. McDonald, J., Brock, B., P., Paquette, J., Allen, S., Spoerke, E., Wheeler, J., W., Calkins D., Miller, W., Clem, P., Radar-wind farm interaction issues and mitigation via alternative wind turbine rotor design, presentation, SAND2012-1943C. Grid Systems Planning WECC white paper, “Value and Limitations of the Positive Sequence Generic Models of Renewable Energy Systems,” December 15, 2015. WECC Document, “WECC Wind Plant Dynamic Modeling Guidelines,” May 8, 2014, Joseph R. Williams and Benjamin Karlson, “Wind Power Plant Short-Circuit Modeling Guide,” Sandia National Laboratories, Albuquerque, NM, August 2012, SAND2012-6664. Ellis, A., Karlson, B., Williams, J., Utility-scale photovoltaic procedure and interconnection requirements, SAND2012-2090. http://prod.sandia.gov/techlib/access-control.cgi/2012/122090.pdf Ellison, J., Bhatnagar, D., Karlson, B., Maui Energy Storage, SAND2012-10314. http://prod.sandia.gov/techlib/access-control.cgi/2012/1210314.pdf Verne, L., Quantifying the Value of Hydropower in the Electric Grid: Role of Hydropower in Existing Markets, SAND2011-1009. http://prod.sandia.gov/techlib/access-control.cgi/2011/111009.pdf Sandia Blade Manufacturing Cost Model (version 1.0) Griffith, D.T. and Johanns, W., “Large Blade Manufacturing Cost Studies Using the Sandia Blade Manufacturing Cost Tool and Sandia 100-meter Blades,” Sandia National Laboratories Technical Report, April 2013, SAND2013-2734. Johanns, W. and Griffith, D.T., “User Manual for Sandia Blade Manufacturing Cost Tool: Version 1.0,” Sandia National Laboratories Technical Report, April 2013, SAND2013-2733. SNL 100-00 Baseline All-glass Blade References Griffith, D.T. and Ashwill, T.D., “ The Sandia 100-meter All-glass Baseline Wind Turbine Blade: SNL100-00,” Sandia National Laboratories Technical Report, SAND2011-3779, June 2011. Resor, B.R., Owens, B.C., and Griffith, D.T., “Aeroelastic Instability of Very Large Wind Turbine Blades,” Proceedings of the European Wind Energy Conference Annual Event (Technical Track Paper/Poster), April 16-19, 2012, Copenhagen, Denmark. Griffith, D.T. and Ashwill, T.D., and Resor, B.R., “Large Offshore Rotor Development: Design and Analysis of the Sandia 100-meter Wind Turbine Blade,” 53rd AIAA Structures, Structural Dynamics, and Materials Conference, Honolulu, HI, April 23-26, 2012, AIAA2012-1499. Corson, D., Griffith, D.T., et al, “Investigating Aeroelastic Performance of Multi-MegaWatt Wind Turbine Rotors Using CFD,” AIAA Structures, 53rd Structural Dynamics and Materials Conference, Honolulu, HI, April 23-26, 2012, AIAA2012-1827. Owens, B.C., Griffith, D.T., Resor, B.R., and Hurtado, J.E., “Impact of Modeling Approach on Flutter Predictions for Very Large Wind Turbine Blade Designs,” Proceedings of the American Helicopter Society (AHS) 69th Annual Forum, May 21-23, 2013, Phoenix, AZ, USA, Paper No. 386. SNL100-01 Carbon Design Studies Griffith, D.T., “ The SNL100-01 Blade: Carbon Design Studies for the Sandia 100-meter Blade,” Sandia National Laboratories Technical Report, SAND2013-1178, February 2013. Griffith, D.T., Resor, B.R., Ashwill, T.D., “Challenges and Opportunities in Large Offshore Rotor Development: Sandia 100-meter Blade Research,” AWEA WINDPOWER 2012 Conference and Exhibition, Scientific Track Paper, Atlanta, GA, USA, June 3-6, 2012. Griffith, D.T., “Large Rotor Development: Sandia 100-meter Blade Research,” Invited Presentation, Wind Turbine Blade Manufacturer 2012 Conference, November 27-29, 2012, Dusseldorf, Germany. Griffith, D.T. and Johanns, W., “Carbon Design Studies for Large Blades: Performance and Cost Tradeoffs for the Sandia 100-meter Wind Turbine Blade,” 54th AIAA/ASME/ASCE/AHS/ASC Structures, Structural Dynamics, and Materials Conference, April 8-11, 2013, Boston, MA, USA, AIAA-2013-1554. SNL100-02 Advanced Core Strategy Design Studies Griffith, D.T., “The SNL100-02 Blade: Advanced Core Material Design Studies for the Sandia 100-meter Blade,” Sandia National Laboratories Technical Report, November 2013, SAND2013-10162. SNL100-03 Flatback Airfoil Design Studies Griffith, D.T. and Richards, P.W., “Investigating the Effects of Flatback Airfoils and Blade Slenderness on the Design of Large Wind Turbine Blades,” Proceedings of the European Wind Energy Association (EWEA) Annual Event, March 2014, Barcelona, Spain, PO 225. Griffith, D.T., and Richards, P.W., “The SNL100-03 Blade: Design Studies with Flatback Airfoils for the Sandia 100-meter Blade,” Sandia National Laboratories Technical Report, September 2014, SAND2014-18129. Other Publications SAND Reports Peer-Reviewed Articles TORQUE Conference 2022